EXAS


Line plots across dimensions of each concept
Line plots across concepts
Tables

Table of contents



us-gaap:CommonStockValue

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareBasicAndDiluted

us-gaap:AllocatedShareBasedCompensationExpense
us-gaap:BusinessAcquisition
us-gaap:BusinessAcquisition, us-gaap:IncomeStatementLocation

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:CostOfGoodsAndServicesSold

us-gaap:CostOfRevenue

us-gaap:CostsAndExpenses

us-gaap:GainsLossesOnExtinguishmentOfDebt

us-gaap:GeneralAndAdministrativeExpense
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:GrossProfit

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeTaxExpenseBenefit

us-gaap:InterestExpense

us-gaap:InterestExpenseDebt

us-gaap:InterestIncomeExpenseNet

us-gaap:InterestPaidNet

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:NonoperatingIncomeExpense

us-gaap:OperatingExpenses

us-gaap:OperatingIncomeLoss

us-gaap:ProfitLoss

us-gaap:ResearchAndDevelopmentExpense
dei:LegalEntity, us-gaap:TypeOfArrangement

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
exas:ServiceOrProductType
exas:ServiceOrProductType, us-gaap:ProductOrService
us-gaap:StatementGeographical

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax
us-gaap:StatementGeographical

us-gaap:Revenues

us-gaap:SellingAndMarketingExpense

us-gaap:Assets

us-gaap:Liabilities

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity
us-gaap:CumulativeEffectPeriodOfAdoption, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:AssetsCurrent

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:MarketableSecuritiesCurrent

us-gaap:AccountsReceivableNetCurrent

us-gaap:InventoryNet

us-gaap:InventoryRawMaterialsAndSupplies

us-gaap:PrepaidExpenseAndOtherAssetsCurrent

us-gaap:PropertyPlantAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType
us-gaap:PropertyPlantAndEquipmentByType
us-gaap:ConstructionInProgressGross

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AmortizationOfIntangibleAssets

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:Goodwill
us-gaap:BusinessAcquisition

us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill
us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:FiniteLivedIntangibleAssetsNet
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OtherAssetsNoncurrent

us-gaap:EquitySecuritiesFvNi
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency

us-gaap:AccountsPayableCurrent

us-gaap:AccruedLiabilitiesCurrent

us-gaap:ContractWithCustomerLiabilityCurrent
us-gaap:UnusualOrInfrequentItem

us-gaap:LiabilitiesCurrent

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:OtherLiabilitiesCurrent
us-gaap:BalanceSheetLocation, us-gaap:LongtermDebtType

us-gaap:LongTermDebt
us-gaap:CumulativeEffectPeriodOfAdoption
us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:OtherLiabilitiesNoncurrent
us-gaap:CumulativeEffectPeriodOfAdoption

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:OperatingLeaseLiability

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:StockholdersEquity
us-gaap:CumulativeEffectPeriodOfAdoption, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:AmortizationOfFinancingCosts

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:DepreciationDepletionAndAmortization

us-gaap:IncreaseDecreaseInAccountsPayable

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:IncreaseDecreaseInInventories

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:ProfitLoss

us-gaap:ShareBasedCompensation
us-gaap:BusinessAcquisition

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment
exas:AssetAcquisition
us-gaap:PaymentsToAcquireProductiveAssets
us-gaap:AssetAcquisition

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
us-gaap:PlanName
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxAssetsNet

us-gaap:UnrecognizedTaxBenefits

us-gaap:DeferredTaxAssetsValuationAllowance
us-gaap:CumulativeEffectPeriodOfAdoption

exas:AmortizationDeferredAmortizationOfDeferredFinancingCostsDebtDiscountsPremiumsAndIssuanceCostsOtherLiabilities

exas:AmortizationOfDeferredFinancingCostsCreditsAndOtherLiabilities

exas:AmortizationOfIntangibleAssetsIncludingPurchaseAccountingTransactions
us-gaap:TypeOfArrangement
exas:AmortizationOfRefundableTaxCredits
exas:AssetAcquisition
exas:AssetAcquisitionConsiderationTransferred
exas:AssetAcquisition
exas:AssetAcquisitionConsiderationTransferredEquityInterestIssuedAndIssuable
exas:AssetAcquisition
exas:AssetAcquisitionConsiderationTransferredEquityInterestIssuedAndIssuableShares
us-gaap:AssetAcquisition

exas:AssetAcquisitionPaymentsToAcquireProductiveAssetNet

exas:AssetAcquisitionTransactionCostsIncurred
us-gaap:BusinessAcquisition
exas:BusinessAcquisitionProFormaIncomeLossBeforeTax

exas:BusinessCombinationContingentConsiderationArrangementsIncreaseDueToAcquisition

exas:BusinessCombinationContingentConsiderationGainLossChangeInFairValue
us-gaap:BusinessAcquisition
exas:BusinessCombinationFairValueOfReplacedEquityAwards
us-gaap:BusinessAcquisition
exas:BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentGoodwill
us-gaap:BusinessAcquisition
exas:BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentOperatingAssets
us-gaap:BusinessAcquisition
exas:BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentOperatingLiabilities
exas:AssetAcquisition, exas:CollaborativeArrangementsSalesMilestone
exas:CollaborativeArrangementsSalesMilestoneAmount
exas:CollaborativeArrangementsSalesMilestone, us-gaap:AssetAcquisition
exas:CollaborativeArrangementsSalesMilestone, us-gaap:CounterpartyName, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:SubsequentEventType, us-gaap:TypeOfArrangement
exas:CollaborativeArrangementsSalesMilestone, us-gaap:CounterpartyName, us-gaap:TypeOfArrangement
exas:CollaborativeArrangementsSalesMilestone, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:SubsequentEventType, us-gaap:TypeOfArrangement
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:SubsequentEventType, us-gaap:TypeOfArrangement

exas:ComprehensiveIncomeLossBeforeTax

exas:CouponInterestExpense

exas:DebtInstrumentConvertibleEquityComponentConsiderationSettled
us-gaap:DebtInstrument
exas:DebtInstrumentConvertibleTransactionCosts
exas:OfferingPeriodEndDate, us-gaap:PlanName
exas:EmployeeStockPurchasePlanWeightedAveragePrice

exas:IncreaseDecreaseInAmortizationOfPremiumOnShortTermInvestments

exas:IncreaseDecreaseInOperatingLeaseLiabilities

exas:IssuanceOfStockToFundMatchingContributions
us-gaap:LongtermDebtType
exas:NumberOfJobsRequiredToCreatedAndMaintained
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:TypeOfArrangement
exas:PaymentForEarlyContractTermination
exas:CollaborativeArrangementsSalesMilestone, us-gaap:CounterpartyName, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:SubsequentEventType, us-gaap:TypeOfArrangement
exas:PaymentsContingentOnMilestones
exas:CollaborativeArrangementsSalesMilestone, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
exas:CollaborativeArrangementsSalesMilestone, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:SubsequentEventType, us-gaap:TypeOfArrangement
us-gaap:BusinessAcquisition
exas:PaymentsToAcquireBusinessesAndAcceleratedVestingOfAwards

exas:PostCombinationExpenseForAccelerationOfUnvestedEquity
dei:LegalEntity, us-gaap:TypeOfArrangement
exas:ServiceFeeBasedOnIncrementalGrossProfitsOverSpecifiedBaselinesAndRoyalties
us-gaap:AwardType
exas:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAssumedInPeriodThroughAcquisitionsWeightedAverageGrantDateFairValue
us-gaap:PlanName
exas:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsAssumedInPeriodThroughAcquisitionsWeightedAverageExercisePrice
us-gaap:SubsequentEventType
exas:StockIssuedToAcquireIntangibleAssetsValue

us-gaap:AmortizationOfDebtDiscountPremium

us-gaap:AmortizationOfFinancingCostsAndDiscounts
us-gaap:AssetAcquisition
us-gaap:AssetAcquisitionConsiderationTransferred
us-gaap:AssetAcquisition
us-gaap:AssetAcquisitionConsiderationTransferredEquityInterestIssuedAndIssuable
us-gaap:BusinessAcquisition
us-gaap:BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:SubsequentEventType, us-gaap:TypeOfArrangement
us-gaap:BusinessAcquisition
us-gaap:BusinessAcquisitionsProFormaRevenue
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationAcquisitionRelatedCosts
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationConsiderationTransferred1
us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType
us-gaap:CounterpartyName, us-gaap:SubsequentEventType
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationConsiderationTransferredLiabilitiesIncurred
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationProFormaInformationEarningsOrLossOfAcquireeSinceAcquisitionDateActual
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentsRelatedToPreviousPeriod
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationStepAcquisitionEquityInterestInAcquireeFairValue1
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGain
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:IncomeStatementLocation
us-gaap:ContractWithCustomerBasisOfPricing
us-gaap:ContractWithCustomerLiabilityCumulativeCatchUpAdjustmentToRevenueChangeInEstimateOfTransactionPrice

us-gaap:ContractWithCustomerLiabilityRevenueRecognized
us-gaap:UnusualOrInfrequentItem
us-gaap:DebtInstrument
us-gaap:DebtInstrumentConvertibleConversionRatio1
us-gaap:DebtInstrument
us-gaap:DebtInstrumentConvertibleIfConvertedValueInExcessOfPrincipal
us-gaap:DebtInstrument
us-gaap:DebtInstrumentConvertibleNumberOfEquityInstruments
us-gaap:DebtInstrument
us-gaap:DebtInstrumentInterestRateDuringPeriod

us-gaap:DebtSecuritiesAvailableForSaleRealizedGain

us-gaap:Depreciation

us-gaap:EquitySecuritiesFvNiRealizedGainLoss

us-gaap:EquitySecuritiesFvNiUnrealizedGainLoss

us-gaap:FinanceLeaseInterestPaymentOnLiability

us-gaap:FinanceLeasePrincipalPayments

us-gaap:GainLossOnSaleOfPropertyPlantEquipment
us-gaap:BusinessAcquisition
us-gaap:GoodwillAcquiredDuringPeriod

us-gaap:ImpairmentOfIntangibleAssetsFinitelived
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsByMajorClass, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance
us-gaap:LongtermDebtType
us-gaap:InterestCostsCapitalized
us-gaap:LongtermDebtType
us-gaap:InterestCostsIncurred

us-gaap:InterestExpenseOther

us-gaap:InvestmentIncomeNonoperating
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:StatementClassOfStock
dei:LegalEntity, us-gaap:TypeOfArrangement
us-gaap:MarketingExpense

us-gaap:NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1

us-gaap:OciBeforeReclassificationsBeforeTaxAttributableToParent
us-gaap:StatementEquityComponents

us-gaap:OperatingLeaseExpense

us-gaap:OperatingLeasePayments

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax

us-gaap:OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossTax

us-gaap:OtherComprehensiveIncomeLossTaxPortionAttributableToParent1

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax

us-gaap:OtherOperatingIncome

us-gaap:PaymentForContingentConsiderationLiabilityInvestingActivities

us-gaap:PaymentsForProceedsFromOtherInvestingActivities

us-gaap:PaymentsForProceedsFromProductiveAssets

us-gaap:PaymentsOfStockIssuanceCosts
us-gaap:BusinessAcquisition
us-gaap:PaymentsToAcquireBusinessesGross
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:SubsequentEventType, us-gaap:TypeOfArrangement

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired
us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:SubsequentEventType, us-gaap:TypeOfArrangement
us-gaap:PaymentsToAcquireIntangibleAssets

us-gaap:PaymentsToAcquireMarketableSecurities

us-gaap:PaymentsToAcquireOtherInvestments

us-gaap:PaymentsToAcquireOtherProductiveAssets
us-gaap:BusinessAcquisition
us-gaap:PostemploymentBenefitsPeriodExpense

us-gaap:ProceedsFromConvertibleDebt

us-gaap:ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities

us-gaap:ProceedsFromSaleAndMaturityOfMarketableSecurities

us-gaap:ProceedsFromStockOptionsExercised

us-gaap:ProceedsFromStockPlans

us-gaap:ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent
us-gaap:StatementEquityComponents
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome
us-gaap:ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent

us-gaap:RepaymentsOfConvertibleDebt

us-gaap:ResearchAndDevelopmentInProcess

us-gaap:RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
us-gaap:BusinessAcquisition

us-gaap:SaleOfStockConsiderationReceivedOnTransaction

us-gaap:SaleOfStockNumberOfSharesIssuedInTransaction

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardAcceleratedCompensationCost
us-gaap:BusinessAcquisition
us-gaap:BusinessAcquisition, us-gaap:IncomeStatementLocation
us-gaap:TitleOfIndividual, us-gaap:BusinessAcquisition
us-gaap:UnusualOrInfrequentItem
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum
us-gaap:AwardType, us-gaap:BusinessAcquisition
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum
us-gaap:AwardType, us-gaap:BusinessAcquisition
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum
us-gaap:AwardType, us-gaap:BusinessAcquisition
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum
us-gaap:AwardType, us-gaap:BusinessAcquisition
us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
us-gaap:Range, us-gaap:AwardType, us-gaap:BusinessAcquisition
us-gaap:BusinessAcquisition, us-gaap:IncomeStatementLocation
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationIncrementalCompensationCost
us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice
us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice

us-gaap:StockIssuedDuringPeriodValueAcquisitions
us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueConversionOfConvertibleSecurities
us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueEmployeeBenefitPlan
us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueEmployeeStockPurchasePlan
us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation
us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised
us-gaap:StatementEquityComponents

exas:AccruedLicensesCurrent

exas:AccruedResearchAndTrialRelatedExpensesCurrent
us-gaap:BusinessAcquisition
exas:AdditionalContingentConsiderationLiabilityBasedOnMeetingMilestones

exas:AssetAcquisitionAssetsAcquiredAndLiabilitiesAssumedCash

exas:AssetAcquisitionAssetsAcquiredAndLiabilitiesAssumedInProcessResearchAndDevelopment

exas:AssetAcquisitionAssetsAcquiredAndLiabilitiesAssumedNet

exas:AssetAcquisitionAssetsAcquiredAndLiabilitiesAssumedOtherAssetsLiabilities
us-gaap:BusinessAcquisition
exas:BusinessAcquisitionEquityInterestIssuedOrIssuableNumberOfSharesIssuedExchangeRatio
us-gaap:BusinessAcquisition, us-gaap:ContingentConsiderationByType
exas:BusinessCombinationContingentConsiderationAdditionalPayment
us-gaap:BusinessAcquisition, us-gaap:ContingentConsiderationByType
exas:BusinessCombinationContingentConsiderationRevenueMilestone
us-gaap:BusinessAcquisition, us-gaap:ContingentConsiderationByType, us-gaap:SubsequentEventType
us-gaap:CounterpartyName, us-gaap:SubsequentEventType
exas:BusinessCombinationPercentOfCashConsiderationTransferred
us-gaap:CounterpartyName, us-gaap:SubsequentEventType
exas:BusinessCombinationPercentOfEquityConsiderationTransferred
us-gaap:BusinessAcquisition
exas:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAccountsPayableAccruedExpensesAndOtherCurrentLiabilities
us-gaap:BusinessAcquisition
exas:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAccruedLiabilities
us-gaap:BusinessAcquisition
exas:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentOperatingLeaseLiability
us-gaap:BusinessAcquisition
exas:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentOperatingLeaseLiability
us-gaap:BusinessAcquisition
exas:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOperatingLeaseRightOfUseAssets
us-gaap:BusinessAcquisition
exas:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherAssetsAndLiabilities
us-gaap:BusinessAcquisition
exas:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherLongTermAssets
us-gaap:BusinessAcquisition
exas:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedShareBasedCompensation
us-gaap:BusinessAcquisition
exas:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedShareBasedCompensationAllocatedToConsiderationTransferred
us-gaap:BusinessAcquisition
exas:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedShareBasedCompensationDeemedCompensatory
us-gaap:DebtInstrument
exas:ConvertibleNotesPayableGross

exas:DebtInstrumentConvertibleIfConvertedPrincipalAmount

exas:DeferredTaxAssetsLeasingArrangements

exas:DeferredTaxLiabilitiesAmortization

exas:DeferredTaxLiabilitiesConvertibleNotes
us-gaap:PropertyPlantAndEquipmentByType
exas:EstimatedCostToCompleteConstruction

exas:FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour
us-gaap:BusinessAcquisition
exas:GoodwillAcquiredAdjustment

exas:InventoryFinishedAndSemiFinishedGoods

exas:InventoryFinishedSemiFinishedGoods

exas:LesseeOperatingLeaseLeaseNotYetCommencedAsset
us-gaap:PropertyPlantAndEquipmentByType

exas:LesseeOperatingLeaseLeaseNotYetCommencedLiability
us-gaap:PropertyPlantAndEquipmentByType
us-gaap:CounterpartyName, us-gaap:TypeOfArrangement
exas:LicenseFeePayments
exas:AssetAcquisition, exas:CollaborativeArrangementsSalesMilestone
exas:PaymentsContingentOnMilestonesPayable
exas:CollaborativeArrangementsSalesMilestone, us-gaap:AssetAcquisition
exas:CollaborativeArrangementsSalesMilestone, us-gaap:CounterpartyName, us-gaap:TypeOfArrangement

exas:PromotionalAgreementAccruedExpenses
us-gaap:BalanceSheetLocation, us-gaap:TypeOfArrangement
exas:RefundableTaxCreditOffsettingLiability
us-gaap:BalanceSheetLocation, us-gaap:TypeOfArrangement
exas:RefundableTaxCreditReceivable
us-gaap:TypeOfArrangement

us-gaap:AccruedProfessionalFeesCurrent

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
us-gaap:BalanceSheetLocation
us-gaap:BalanceSheetLocation, us-gaap:FinancialInstrument

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
us-gaap:BalanceSheetLocation
us-gaap:BalanceSheetLocation, us-gaap:FinancialInstrument

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis
us-gaap:BalanceSheetLocation
us-gaap:BalanceSheetLocation, us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost
us-gaap:BalanceSheetLocation
us-gaap:BalanceSheetLocation, us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue
us-gaap:BalanceSheetLocation
us-gaap:BalanceSheetLocation, us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost
us-gaap:BalanceSheetLocation
us-gaap:BalanceSheetLocation, us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue
us-gaap:BalanceSheetLocation
us-gaap:BalanceSheetLocation, us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesDebtSecurities
us-gaap:BalanceSheetLocation
us-gaap:BalanceSheetLocation, us-gaap:FinancialInstrument
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
us-gaap:BusinessAcquisition
us-gaap:BusinessAcquisitionEquityInterestIssuedOrIssuableValueAssigned
us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType
us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType
us-gaap:BusinessAcquisitionPercentageOfVotingInterestsAcquired
us-gaap:BusinessAcquisition, us-gaap:ContingentConsiderationByType
us-gaap:BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh

us-gaap:BusinessCombinationContingentConsiderationLiability
us-gaap:BusinessAcquisition
us-gaap:BusinessAcquisition, us-gaap:ContingentConsiderationByType
us-gaap:BusinessAcquisition, us-gaap:ContingentConsiderationByType, us-gaap:FairValueByMeasurementBasis
us-gaap:BusinessAcquisition, us-gaap:ContingentConsiderationByType, us-gaap:SubsequentEventType
us-gaap:BusinessAcquisition, us-gaap:FairValueByMeasurementBasis
us-gaap:CounterpartyName, us-gaap:SubsequentEventType
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:BusinessCombinationContingentConsiderationLiabilityCurrent
us-gaap:FairValueByMeasurementFrequency
us-gaap:BusinessAcquisition, us-gaap:ContingentConsiderationByType, us-gaap:MeasurementInputType
us-gaap:BusinessCombinationContingentConsiderationLiabilityMeasurementInput
us-gaap:Range, us-gaap:ContingentConsiderationByType, us-gaap:MeasurementInputType
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationStepAcquisitionEquityInterestInAcquireeIncludingSubsequentAcquisitionPercentage
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationStepAcquisitionEquityInterestInAcquireePercentage

us-gaap:CashAndCashEquivalentsFairValueDisclosure
us-gaap:BalanceSheetLocation
us-gaap:CashAndCashEquivalents
us-gaap:CashAndCashEquivalents, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:CashAndCashEquivalents, us-gaap:FairValueByMeasurementFrequency

us-gaap:CashCashEquivalentsAndShortTermInvestments

us-gaap:CashUninsuredAmount

us-gaap:ConstructionPayableCurrent
us-gaap:DebtInstrument, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
us-gaap:ConvertibleDebtFairValueDisclosures

us-gaap:ConvertibleDebtNoncurrent

us-gaap:ConvertibleLongTermNotesPayable
us-gaap:CumulativeEffectPeriodOfAdoption
us-gaap:DebtInstrument
us-gaap:DebtInstrument
us-gaap:ConvertibleNotesPayable

us-gaap:ConvertibleNotesPayableCurrent
us-gaap:CumulativeEffectPeriodOfAdoption
us-gaap:DebtInstrument
us-gaap:DebtInstrument
us-gaap:DebtInstrumentInterestRateEffectivePercentage
us-gaap:DebtInstrument
us-gaap:DebtInstrumentUnamortizedDiscount
us-gaap:DebtInstrument
us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months
us-gaap:BalanceSheetLocation
us-gaap:BalanceSheetLocation, us-gaap:FinancialInstrument
us-gaap:FairValueByAssetClass
us-gaap:FairValueByAssetClass, us-gaap:InvestmentType

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
us-gaap:BalanceSheetLocation
us-gaap:BalanceSheetLocation, us-gaap:FinancialInstrument

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPosition
us-gaap:BalanceSheetLocation
us-gaap:BalanceSheetLocation, us-gaap:FinancialInstrument
us-gaap:FairValueByAssetClass
us-gaap:FairValueByAssetClass, us-gaap:InvestmentType

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss
us-gaap:BalanceSheetLocation
us-gaap:BalanceSheetLocation, us-gaap:FinancialInstrument
us-gaap:DebtInstrument
us-gaap:DeferredFinanceCostsGross
us-gaap:DebtInstrument
us-gaap:DeferredFinanceCostsNet
us-gaap:CumulativeEffectPeriodOfAdoption
us-gaap:DeferredIncomeTaxAssetsNet

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsTaxCreditCarryforwards

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation

us-gaap:DeferredTaxLiabilitiesLeasingArrangements

us-gaap:DeferredTaxLiabilitiesOther

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeNotionalAmount

us-gaap:EmployeeRelatedLiabilitiesCurrent
us-gaap:BusinessAcquisition
us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions
us-gaap:PlanName
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:EquityMethodInvestments
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueNetAssetLiability
us-gaap:FairValueByMeasurementFrequency

us-gaap:FinanceLeaseLiability

us-gaap:FinanceLeaseLiabilityCurrent

us-gaap:FinanceLeaseLiabilityNoncurrent

us-gaap:FinanceLeaseLiabilityPaymentsDue

us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFour

us-gaap:FinanceLeaseLiabilityPaymentsDueYearThree

us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo

us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount

us-gaap:FinanceLeaseRightOfUseAsset

us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsByMajorClass, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo

us-gaap:FiniteLivedIntangibleAssetsGross
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsByMajorClass, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:IntangibleAssetsGrossExcludingGoodwill
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:StatementClassOfStock
us-gaap:InvestmentOwnedAtCost
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:StatementClassOfStock, us-gaap:SubsequentEventType
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:InvestmentOwnedAtFairValue
us-gaap:FairValueByMeasurementFrequency
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:StatementClassOfStock
us-gaap:InvestmentOwnedBalanceShares
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:StatementClassOfStock, us-gaap:SubsequentEventType

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths
us-gaap:LitigationCase
us-gaap:LitigationReserve
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
us-gaap:LoansPayableFairValueDisclosure
us-gaap:LongtermDebtType
us-gaap:LongTermConstructionLoanCurrent

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo

us-gaap:LongTermLoansPayable

us-gaap:MarketableSecurities

us-gaap:NumberOfCountriesInWhichEntityOperates

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent
us-gaap:IncomeTaxAuthority
us-gaap:OperatingLossCarryforwards

us-gaap:SaleOfStockPricePerShare
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
us-gaap:PlanName

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue
us-gaap:PlanName

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice
us-gaap:PlanName

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue
us-gaap:PlanName

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1
us-gaap:PlanName

us-gaap:SharesIssuedPricePerShare
us-gaap:BusinessAcquisition

us-gaap:ShortTermBankLoansAndNotesPayable
us-gaap:IncomeTaxAuthority, us-gaap:TaxCreditCarryforward
us-gaap:TaxCreditCarryforwardAmount

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate
us-gaap:ValuationAllowancesAndReservesType
us-gaap:ValuationAllowancesAndReservesBalance

Plots across concepts


IncomeStatement
Comprehensive Income Net Of Tax
Expenses
Income Tax Expense Benefit
Balance Sheet
Long Term Debt
Assets
Inventory Net
Current Assets
Prepaid Expense And Other Assets Current
NonCurrent Assets
Other Assets Noncurrent
PropertyPlantAndEquipmentNet
Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
Liabilities
Operating Lease Liability
Current Liabilities
Operating Lease Liability Current
Noncurrent Liabilities
Long Term Debt
Stockholders Equity
Retained Earnings Accumulated Deficit
Per Share
Earnings Per Share Diluted
CashFlow
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInOperatingActivities
Net Income Loss
NetCashProvidedByUsedInInvestingActivities
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInFinancingActivities
Proceeds From Payments For Other Financing Activities
Shares
Weighted Average Number Of Share Outstanding Basic And Diluted
OperatingLeaseLiability
Operating Lease Liability Current
NonoperatingIncomeExpense
Nonoperating Income Expense
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Payments Due Year Two
FiniteLivedIntangibleAssets
Finite Lived Intangible Assets Accumulated Amortization

Tables

  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:CommonStockValue ██▇▇▇▇▇▆▆▅▅▅▅▅▅▅▅▄▄▄▄▄▄▄▃▃▃▃▃▂▂▂▂▂▂▂▁▁▁▁▁1.721.7141.5951.5051.5011.4951.4771.2991.2951.2921.2321.2291.2261.2191.2051.1961.191.1121.1021.0840.9830.9780.9680.9640.8910.8890.8870.8320.8290.7130.7110.7090.7070.6410.6390.6380.5730.5710.5660.5290.525NA0.522NANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding 171.494NA156.47150.155149.727148.151143.2129.567129.182126.248NANANANANANANANANANANANANANANANANANANANANANANANANANANA56.718NA52.44352.0151.93NA40.15539.067
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic 171.494NA156.47150.155149.727148.151139.901129.567129.182126.248NANANANANANANANANANANANANANANANANANANANANANANANANANANA56.718NA52.44352.0151.93NA40.15539.067
us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted NA169.434NA150.155149.727148.151NA129.567129.182126.248122.981122.671122.129121.016119.95119.215112.847110.582109.274104.80797.90297.24696.40494.44488.91988.66284.73482.94182.04870.98770.75770.55964.69963.83663.58260.53157.03756.71853.64752.44352.0151.93NANANA
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount NA28.378NANANA27.973NANANA18.895NANANA18.747NANANA9.166NANANA11.677NANANA7.551NANANA7.984NA7.5767.3287.695NANANA7.654NANANANANANANA
 us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities exas:EmployeeAndNonEmployeesStockOptionNA2.633NANANA2.841NANANA2.482NANANA3.284NANANA3.613NANANA5.475NANANA5.222NANANA6.261NA6.1086.2496.379NANANANANANANANANANANA
 us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities us-gaap:ConvertibleNotesPayableNA20.309NANANA20.309NANANA12.197NANANA9.148NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities us-gaap:PerformanceSharesNA0.846NANANA0.599NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities us-gaap:RestrictedStockNA4.433NANANA4.823NANANA4.216NANANA6.315NANANA5.553NANANA6.202NANANA2.305NANANA1.519NA1.2640.8751.003NANANA0.884NANANANANANANA
us-gaap:EarningsPerShareBasic -1.03NA-2.79-1.46-0.58-0.710.56-0.31-0.3-0.66NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:EarningsPerShareDiluted -1.03NA-2.79-1.46-0.58-0.710.54-0.31-0.3-0.66NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:EarningsPerShareBasicAndDiluted NA-0.18-2.8500000000000005-1.46-0.58-0.710.62-0.31-0.3-0.66-0.44-0.37-0.3-0.33-0.18-0.23-0.27-0.32-0.34-0.36-0.46-0.49-0.41-0.45-0.44-0.4-0.38-0.39-0.24-0.23-0.17-0.16-0.19-0.170.22-0.21-0.26-0.19-0.18-0.15-0.13-0.08-0.07999999999999999-0.08-0.06
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:AllocatedShareBasedCompensationExpense ▃█▃▃▃▂▃▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁56.3163.541.80641.540.029.647.78324.320.116.215.66416.515.612.512.51210.86.16.16.9326.24.56.14.954.94.63.62.924.12.52.02.01.82.81.01.51.51.5NA1.31.20.9NANANANA
us-gaap:ComprehensiveIncomeNetOfTax ▅▇▁▄▆▅█▆▆▆▆▆▆▆▇▇▇▆▆▆▆▆▆▆▆▆▆▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇-177.209-31.326-437.368-220.289-82.936-107.31478.205-42.579-37.014-81.283-53.99-44.892-35.929-41.01-22.2-26.832-30.738-34.959-37.401-37.973-44.765-47.057-40.579-42.779-39.147-35.616-32.553-32.155-19.481-16.099-12.179-11.059-12.368-10.861-14.002-12.913-14.804-10.61-9.868-7.811-6.64-4.371NANANA
us-gaap:CostOfGoodsAndServicesSold ██▇▇▆▆▅▄▄▄▃▃▃▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁113.968109.99399.76595.06177.89281.60670.41652.75951.56343.25238.1630.0226.88822.91423.49520.72917.99116.98113.86512.17410.0979.0597.6677.5285.0944.2123.4010.924NANANANANANANANANANA0.0060.0060.0060.0060.0060.0060.006
us-gaap:CostOfRevenue ██▇▇▆▆▅▄▄▄▃▃▃▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁113.968109.99399.76595.06177.89281.60670.41652.75951.56343.25238.1630.0226.88822.91423.49520.72917.99116.98113.86512.17410.0979.0597.6677.5285.0944.2123.4010.924NANANANANANANANANANA0.0060.0060.0060.0060.0060.0060.006
us-gaap:CostsAndExpenses ▅▆█▅▂▃▃▁▁▁606.483702.618881.641611.698359.542430.194391.655254.531233.772230.117NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:GainsLossesOnExtinguishmentOfDebt NANA0.00.00.0-7.9540.00.00.0-10.6NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:GeneralAndAdministrativeExpense ▅█▅▄▄▄▅▃▃▃▂▂▂▂▂▂▂▁▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁167.629267.727145.451115.589106.685113.991144.41480.56563.73464.0356.43246.72939.56535.56733.74130.76324.60920.0721.49820.29217.28417.82415.86415.43213.68312.97110.6258.9946.234.5863.6873.6863.6282.6482.8152.5472.3932.1452.2061.9511.832.151.6831.7961.339
us-gaap:GrossProfit NANA346.021292.747170.421245.751213.178166.046148.307118.791104.82188.27176.00667.38263.91151.84539.65531.38221.37615.94111.0885.7766.7535.1043.0250.054-1.897-0.9240.00.2941.0361.0361.0361.0361.0361.0361.0361.0361.0361.0331.0361.0341.3691.351.308
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest ▅▄▁▅▇▇▇██▇▇█████████-172.887-273.969-438.273-224.394-87.009-107.429-106.683-39.776-38.863-83.529-53.967-45.337-36.388-39.365-21.863-27.128-30.756-34.871-37.17-37.803NANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IncomeTaxExpenseBenefit █▁████▃███████████4.025-242.805-1.463-4.51-0.867-1.732-184.6280.683-0.443-0.470.0070.027-0.0010.059-0.099-0.2310.0340.075NANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:InterestExpense NANA24.33623.58222.91225.15313.68813.20912.71221.9910.97210.7048.603NANANANANANANANA0.054NANANA0.0110.0110.0120.0130.0150.0160.0160.0180.0190.020.0110.0050.0050.0060.0050.0050.0050.0050.0050.005
us-gaap:InterestExpenseDebt ▁▁██▇█▄▄▄▇▃▃▃4.0314.01623.82323.15122.65224.43913.21812.71912.45921.74510.71810.6568.554NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:InterestIncomeExpenseNet ▁█-4.652-4.616NA-23.582-22.912-25.153-13.688-13.209-12.712-21.99-10.972-10.704-8.603-6.51-0.051-0.051-0.054-0.05-0.052-0.054-0.053-0.054-0.062-0.040.107-0.011NANANANANANANANANANANANANANANANANANANA
us-gaap:InterestPaidNet ▂█▂█▂▆▇▆▁▄0.145.2740.1455.3310.1833.7254.3573.728-0.4961.712NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:NetIncomeLoss ▅▇▁▄▆▆█▆▆▆▆▆▆▆▇▇▇▆▆▆▆▆-176.912-31.164-436.81-219.884-86.142-105.69777.945-40.459-38.42-83.059-53.974-45.364-36.387-39.424-21.764-26.897-30.79-34.946-37.17-37.803-44.765-47.473NANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents us-gaap:RetainedEarnings▁█-176.912-31.164NA-219.884-86.142-105.697NA-40.459-38.42-83.059NA-45.364-36.387-39.424NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:NonoperatingIncomeExpense ▄█▁▂▂▁▃▄▄▂▄▄▄▄▅▅▄▄▄▄▄▄▄▄▄▄▄▄▄▄-1.22326.572-22.971-21.059-20.0-25.056-10.575-4.116-5.043-15.335-4.651-4.412-3.686-2.8371.2691.2830.6290.5450.540.4810.3720.4120.4290.3250.30.2110.1390.1480.1330.071NANANANANANANANANANANANANANANA
us-gaap:OperatingExpenses NANA761.323496.082237.43328.124309.258201.706182.127186.985154.137129.196108.708103.9186.980.25671.07466.87359.08654.22556.22553.66147.17348.37442.39136.06629.76232.20819.5716.47213.30212.28313.38711.93315.07814.04415.92611.73810.9728.8767.6785.4365.1924.7463.792
us-gaap:OperatingIncomeLoss ▅▃▁▅▇▇▆▇▇▇▇▇▇▇███▇▇▇▇▇▇▇▇▇▇▇█████████████████-171.664-300.541-415.302-203.335-67.009-82.373-96.108-35.66-33.82-68.194-49.316-40.925-32.702-36.528-23.132-28.411-31.419-35.491-37.71-38.284-45.137-47.885-40.42-43.27-39.366-36.012-32.583-32.208-19.57-16.178-12.266-11.247-12.351-10.897-14.042-13.008-14.89-10.702-9.936-7.843-6.642-4.402-3.823-3.396-2.484
us-gaap:ProfitLoss ▅▇▁▄▆▆█▆▆▆▆▆▆▆▇▇▇▆▆-176.912-31.164-436.81-219.884-86.142-105.69777.945-40.459-38.42-83.059-53.974-45.364-36.387-39.424-21.764-26.897-30.79-34.946-37.17NANANANANANANANANANANANANANANANANANANANANA-6.625NANANA-2.477
us-gaap:ResearchAndDevelopmentExpense ▃▃█▁▁▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁106.235115.567446.39931.47132.67343.50943.22334.94530.20332.01620.93217.63114.71214.93512.67511.7259.7378.0027.0827.6258.6410.1269.3659.8638.1156.5714.9929.0737.1747.436.7136.9826.4577.52610.43910.49112.2028.9997.6726.115.1972.9892.472.6352.123
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax █▇█▇▅▆▅▄▄▃▃▃▃▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁434.819402.077466.339408.363268.868347.821295.575218.805199.87162.043142.981118.291102.89490.29687.40672.57457.64648.36335.24128.11521.18514.83514.4212.6328.1194.2661.5040.00.00.2941.0361.0361.0361.0361.0361.0361.0361.0361.0421.0391.0421.041.3751.3561.314
us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax NA402.077466.339408.363268.868347.821295.575218.805199.87162.043142.981118.291102.89490.29687.40672.57457.64648.36335.24128.11521.18514.83514.4212.6328.1194.2661.5040.00.00.294NANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:StatementGeographical country:USNA376.021445.082392.12249.85326.885284.131218.805199.87162.043NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:StatementGeographical us-gaap:NonUsNA26.05621.25716.24319.01820.936NANA0.00.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:Revenues █▇█▇▅▆▅▄▄▃▃▃▃▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁434.819402.077466.339408.363268.868347.821295.575218.805199.87162.043142.981118.291102.89490.29687.40672.57457.64648.36335.24128.11521.18514.83514.4212.6328.1194.2661.5040.00.00.2941.0361.0361.0361.0361.0361.0361.0361.0361.0421.0391.0421.041.3751.3561.314
us-gaap:SellingAndMarketingExpense ██▇▆▅▇▅▄▄▄▄▃▃▃▂▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁194.827186.141166.827136.481118.862167.749119.85186.19688.1990.93976.77364.83654.43153.40840.62737.76836.72838.80130.50626.30830.30125.71121.94423.07920.59316.52415.06913.2176.1664.4562.9021.6153.3021.7591.8241.0061.3310.5941.0940.8150.6510.2971.0390.3150.33
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:Assets ██▆▅▆▆▅▃▃▃▃▃▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁6724.3346734.5174925.0924354.374467.7354461.1253505.7681759.2681781.9431770.5481524.0221509.5761482.6521256.916598.56587.179582.601350.261377.04403.211288.529323.788364.296393.989253.017278.814311.624234.667255.805134.128146.627155.496163.2199.991112.119123.45376.08288.00596.95378.48985.498NA96.515NANA
us-gaap:Liabilities ██▆▅▅▅▄▃▃▃▃▃▃▂▁▁▁▁▁▁▁▁▁▁▁▁▁3165.2333085.5222101.6032017.271956.5421923.4721217.7071010.9841016.411993.608843.081792.847738.264569.89878.14260.03541.90740.74141.74540.88239.14135.45537.4432.70328.17620.60522.64NANANA11.311NANANANANANANANANANANANANANA
us-gaap:LiabilitiesAndStockholdersEquity ██▆▅▆▆▅▃▃▃▃▃▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁6724.3346734.5174925.0924354.374467.7354461.1253505.7681759.2681781.9431770.5481524.0221509.5761482.6521256.916598.56587.179582.601350.261377.04403.211288.529323.788364.296393.989253.017278.814311.624234.667255.805134.128146.627155.496163.2199.991112.119123.45376.08288.00596.95378.48985.498NA96.515NANA
us-gaap:StockholdersEquity ██▆▅▆▆▅▂▂▂▂▂▂▂▂▂▂▁▂▂▁▁▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁3559.1013648.9952823.4892337.12511.1932537.6532288.061748.284765.532776.94680.941716.729744.388687.018520.418527.144540.694309.52335.295362.329249.388288.333326.856361.286224.841258.209288.984215.105242.87121.756135.316145.09153.5889.13398.595110.65764.02475.86383.49564.592NANA79.754NANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:AssetsCurrent ▆▇█▆▆▆▃▅▅▅▅▅▅▄▂▂▂▂▂▂▂▂▂▂▁▂▂▁▂▁▁▁▁▁▁▁▁▁▁▁▁1669.2111775.3022198.5941606.6271504.8581484.318556.9591319.9781374.7961407.121228.0671289.5821310.3041121.991487.216513.689526.133306.186333.573359.032247.217284.092326.13359.352223.263256.047291.677216.24238.784118.852135.458148.745158.81696.549108.714119.82473.21285.45494.39576.29884.079NA95.661NANA
us-gaap:CashAndCashEquivalentsAtCarryingValue ▃▆█▅▄▄▂▆▂▂▂▂▂▂▁▁▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁363.7151103.8161491.288806.678703.926701.054177.2541034.334205.058285.2160.43161.705225.662148.69577.49150.837180.40739.20648.92163.44549.0152.15141.13531.52233.76540.67958.13127.82920.70817.80612.8519.7121.5188.05313.34512.666.02612.29235.7814.99538.26472.07378.75220.81524.232
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents ▂▆█▄▄▄▁▆▁▂▁▁▁364.0121104.11491.594806.969704.208701.334177.5281034.334205.058285.2160.43161.705225.662NA77.491NANANA48.921NANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:MarketableSecuritiesCurrent ▇▃▃▄▄▄▂▂█████▇▃▄▃▂▃▃▂▂▃▃▂▂▂▂▂▁▂▂▂▁▁▁▁▁▁▁▁943.864274.151348.699476.324518.731530.062146.401126.2111034.364997.506963.7521023.512996.5893.474347.224411.684303.853235.464262.179274.385175.067210.441265.744311.987177.053204.472224.625183.315214.08998.204120.408138.131136.21187.42994.776105.91264.83971.24457.5870.43645.204NA16.663NANA
us-gaap:AccountsReceivableNetCurrent ▇█▇▇▅▅▅▃▃▃▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁226.539256.135233.185206.606163.608140.046130.66782.263.90356.09544.23941.91636.26834.57526.41924.55322.59116.2148.5267.8637.4415.6214.9334.2092.1511.5811.376NANANANANANANANANANANANANANANANANANA
us-gaap:InventoryNet ███▇▇▆▆▅▄▄▄▄▃▃▃▂▂▁▁▁▁▁▁▁▁▁▁▁▁89.80989.03392.26580.42782.21569.42461.72453.67347.78144.26939.14838.61735.40932.3826.02718.06412.417.8596.8337.6668.4048.1576.6776.0326.2755.4234.0174.0174.017NANANANANANANANANANANANANANANANA
us-gaap:InventoryRawMaterialsAndSupplies █▇█▆▇▅▅▄▃▃▃▃▃▃▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁44.75540.85843.08333.84235.71327.61424.95819.00915.47315.26612.76112.21411.79710.93510.3447.0335.0092.7542.4082.2422.1492.0661.7721.7461.0722.3051.0191.0191.019NANANANANANANANANANANANANANANANA
us-gaap:PrepaidExpenseAndOtherAssetsCurrent ▇█▅▆▆▇▆▄▄▄▄▄▃▃▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁45.28452.16733.15736.59236.37843.73240.91323.5623.6924.0520.49823.83216.46512.86710.0558.5516.8727.4437.1145.6737.2957.7227.6415.6024.0193.8923.5282.3773.9872.8422.1990.9041.0871.0670.5931.2522.3471.9181.0340.8670.611NA0.246NANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:PropertyPlantAndEquipmentGross ██▇▇▇▇▇▆▅▅▄▃▃▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁675.634639.376587.3586.216573.665558.861532.956437.264406.073355.312303.121239.757187.236145.691118.07290.74273.52666.54863.08360.45355.38451.43248.00943.92637.12929.59426.38623.72921.40418.9714.2079.4366.7495.495.1865.0914.0833.5493.3542.8391.95NA1.24NANA
 us-gaap:ConstructionInProgressGross us-gaap:PropertyPlantAndEquipmentByType exas:BuildingsAndLeaseholdImprovements▂▁▁▁▃▃▆▅█▇▆▄▃▂▁▁19.68.93.28.443.944.3126.294.7166.4143.5130.879.955.432.913.88.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:ConstructionInProgressGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:ComputerSoftwareIntangibleAsset▇▆██▄▄▁7.16.67.97.95.65.73.9NANANA5.2NANANA2.6NANANA1.7NANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:ConstructionInProgressGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:Equipment▁▁▁▂▂▃▄▅▆█▇▆▅▃8.47.47.69.711.517.018.922.825.935.731.528.122.716.3NANANANANANANANANANANANANA0.52.31.8NA0.8NANANANANANANANANANANANANA
 us-gaap:ConstructionInProgressGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:FurnitureAndFixturesNANA0.10.50.60.30.7NANANANANANANANA0.2NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment █▇▇▆▅▅▄▄▄▄▃▃▃▃▃▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁173.726156.64136.617129.761110.22893.38577.63166.73270.57463.68357.86251.27146.76942.24338.08635.03631.47828.15324.94121.9819.15116.38613.91311.8519.8178.0276.4395.3024.3833.6943.0382.6852.3552.0481.7811.4621.2130.9980.7960.6480.531NA0.386NANA
us-gaap:AmortizationOfIntangibleAssets ██████▅▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁23.82423.1923.19923.4323.4323.33913.7790.7480.7480.810.7340.6020.6020.6120.410.3550.240.050.050.050.050.05NANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:PropertyPlantAndEquipmentNet ██▇▇▇▇▇▆▆▅▄▄▃▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁501.908482.736450.683456.455463.437465.476455.325370.532335.499291.629245.259188.486140.467103.44879.98655.70642.04838.39538.14238.47336.23335.04634.09632.07527.31221.56719.94718.42717.02115.27611.1696.7514.3943.4423.4053.6292.872.5512.5582.1911.419NA0.854NANA
us-gaap:Goodwill ██▅▅▅▅▅▁▁▁▁▁▁2242.5352183.9151237.6721237.6721237.6721237.1611203.19717.27917.27917.27917.2791.9791.979NA1.979NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill ██▁1250.01250.00.103NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IntangibleAssetsNetExcludingGoodwill ██▁▁▂▃▃2089.1082073.932848.426871.661105.1151128.2611143.55NANANA29.002NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:FiniteLivedIntangibleAssetsNet ▇▇▇▇███▁▁▁▁▁▁▁▁839.108823.932848.323871.454904.623927.906943.27926.88227.44928.16621.55820.51421.12921.55822.16NANANA1.55NANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OperatingLeaseRightOfUseAsset ██▆▆▆▆▆▁▁▁166.914161.687125.947129.837132.751124.369126.44419.121.721.8NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherAssetsNoncurrent ▇▇█▇▄▃▃▄▄▄▁▂▂▂▂▃▂▂▁▂▁▁▁▁▁▁▁54.65856.94563.7752.11923.90221.5420.29324.37326.60226.1894.4159.0158.7739.9199.19817.78414.425.685.3255.7065.0794.654.072.5622.4421.21.2NANANANANANANANANANANANANANANANANANA
us-gaap:EquitySecuritiesFvNi 7.533NA1.5211.4181.3851.0251.716NANANA0.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:AccountsPayableCurrent █▇█▆▇█▆▄▅▄▆▇▃▃▄▃▁▁▁▁▂▁▂▁▁▁▁▂▁▁▁▁▁▁▂▁▁▁▁▁▁36.59234.70435.70926.06130.99838.04825.97319.15819.89617.55228.14132.73810.99212.27416.1358.7742.2370.8910.712.3353.1352.8413.3081.5031.3452.0012.6474.6350.3571.3310.7610.6051.0842.0813.6521.030.7670.9490.7650.9771.086NA1.028NANA
us-gaap:AccruedLiabilitiesCurrent █▇▇▆▅▅▆▅▅▅▄▃▃▂▂▂▂▂▂▂▂▁▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁265.997214.143233.604182.945139.505166.596193.329134.832151.009143.129100.64468.93860.04656.71649.12638.3926.93527.07728.10626.10423.80820.47722.25320.92916.30611.65213.9611.1288.566.8065.8065.7254.2273.3453.3274.0843.7292.63.0692.2661.837NA1.987NANA
us-gaap:ContractWithCustomerLiabilityCurrent ▄█▂▁▄28.739.825.022.430.7NA0.60.70.70.40.50.50.30.20.2NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LiabilitiesCurrent ██▇▄▃▃▃▆▆▃▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁675.698628.914575.844252.832222.274243.581236.494480.692492.463167.657136.59106.73582.96273.3368.12449.68931.29329.93730.69230.06128.39524.67826.72323.51418.7314.47617.52116.7529.8189.0337.7528.5028.0199.16511.4559.6128.6397.6927.9777.3867.066NA7.158NANA
us-gaap:OperatingLeaseLiabilityCurrent █▇▅▅▅▄▄▁▁▁16.59915.2911.48310.7469.8718.6637.8913.63.73.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherAccruedLiabilitiesCurrent NANA20.735NANANA13.976NANANA4.052NANANA2.996NANANA0.792NANANA0.309NANANA0.122NANANA0.082NANANA0.019NANANA0.037NANANANANANA
us-gaap:OtherLiabilitiesCurrent ▇█▆▅▇▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁42.2350.62638.26531.76140.5815.7098.4679.296.6755.8893.2043.1583.1822.752.6812.3451.9431.7931.7021.451.2811.1910.9960.8610.734NA0.554NANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:LongTermDebt NANA23.75NANANANANANANA24.26NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DeferredIncomeTaxLiabilitiesNet us-gaap:CumulativeEffectPeriodOfAdoption srt:CumulativeEffectPeriodOfAdoptionAdjustmentNANA-10.2NANANA-8.5NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherLiabilitiesNoncurrent ██▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁439.175414.19561.58262.82150.31147.25234.91129.51129.9246.8219.47512.6916.5015.6435.6335.6115.6845.685.7345.3085.0544.8934.8044.4554.623.5413.599NANANANANANANANANANANANANANANANANANA
us-gaap:OperatingLeaseLiabilityNoncurrent ██▆▆▆▆▆▁▁▁164.308157.38121.075124.007126.63118.333118.66516.116.917.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo NANA19.596NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree NANA21.306NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour NANA21.257NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive NANA19.338NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive NANA79.141NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:StockholdersEquity ██▆▅▆▆▅▂▂▂▂▂▂▂▂▂▂▁▂▂▁▁▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁3559.1013648.9952823.4892337.12511.1932537.6532288.061748.284765.532776.94680.941716.729744.388687.018520.418527.144540.694309.52335.295362.329249.388288.333326.856361.286224.841258.209288.984215.105242.87121.756135.316145.09153.5889.13398.595110.65764.02475.86383.49564.592NANA79.754NANA
us-gaap:CommonStockValue ██▇▇▇▇▇▆▆▅▅▅▅▅▅▅▅▄▄▄▄▄▄▄▃▃▃▃▃▂▂▂▂▂▂▂▁▁▁▁▁1.721.7141.5951.5051.5011.4951.4771.2991.2951.2921.2321.2291.2261.2191.2051.1961.191.1121.1021.0840.9830.9780.9680.9640.8910.8890.8870.8320.8290.7130.7110.7090.7070.6410.6390.6380.5730.5710.5660.5290.525NA0.522NANA
us-gaap:AdditionalPaidInCapitalCommonStock ██▇▆▅▅▅▃▃▃▃▃▃▃▂▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁5811.2865723.9774789.6573865.993819.7983763.3283406.441945.0461919.7191894.1161716.8941698.6951681.4651588.1731380.5771365.1121351.8361090.0021080.4321070.083919.27913.455904.931898.786719.635713.858709.019602.642598.255457.776455.239452.836450.269373.52372.123370.184310.703307.74304.767276.033274.525NA272.38NANA
us-gaap:RetainedEarningsAccumulatedDeficit ▁▂▂▃▄▅▅▅▅▅▅▅▅▆▆▆▆▆▆▆▆▇▇▇▇▇▇▇▇████████████-2253.972-2077.06-1968.289-1531.479-1311.595-1225.453-1119.756-1197.701-1157.242-1118.822-1035.763-981.789-936.425-900.038-860.614-838.85-811.953-781.163-745.821-708.651-670.848-626.083-578.61-538.619-495.674-456.608-420.807-388.363-356.303-336.866-320.759-308.573-297.413-285.099-274.245-260.257-247.305-232.469-221.824-211.92-204.147NA-193.149NANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▅▆▆▇█▂▅▄█▆▃▃▂▁▄▄▄▄▄▅▅▅▄▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅0.0670.3640.5261.0841.489-1.717-0.1-0.361.760.354-1.422-1.406-1.878-2.336-0.75-0.314-0.379-0.431-0.418-0.187-0.017-0.017-0.4330.155-0.0110.07-0.115-0.0060.0890.1330.1250.1180.0170.0710.0780.0920.0530.021-0.014-0.05-0.012NA0.001NANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:NetCashProvidedByUsedInOperatingActivities ▅▁█▇▄▂▃▃▅▁▄▄▃▂▄▄▃▃▃▃40.337-77.227111.40481.775-6.87-49.827-28.684-29.0817.161-74.407-1.236-4.053-25.514-38.522-0.764-5.45-31.872-33.638-27.129-24.966NANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:NetCashProvidedByUsedInInvestingActivities ▁▃▃▅▄▃▁█▄▄▄▄▄▂▅▄▄▅▄▄-793.767-317.512-306.63816.828-6.38-405.847-834.774857.442-102.672-41.069-9.417-78.988-130.778-562.73124.654-126.596-82.79123.9289.29-105.28NANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:NetCashProvidedByUsedInFinancingActivities ▁▁▇▁▁█▁▁▁▃▁▁▃▆▁▁▃▁▁▂13.3427.245879.8594.15816.124979.486.6240.985.451240.1269.35419.074233.277672.4372.7182.46255.7750.0033.366144.706NANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▁▃▇▅▅▇▁█▄▅▅▄-740.088-387.494684.625102.7612.874523.806-856.806829.276-80.142124.77-1.275-63.957NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:AmortizationOfFinancingCosts 1.428NA1.1231.1231.1390.8220.6720.6580.6450.6850.6760.6770.5170.4020.0140.0140.0120.0140.0120.0140.0130.0130.011NANANANANANANANANANANANANANANANANANANANANANA
us-gaap:DeferredIncomeTaxExpenseBenefit █▁-1.379-243.13NA-4.754-1.304-1.918NA0.643-0.464-0.52NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:DepreciationDepletionAndAmortization █▁21.49920.508NA19.71317.62616.006NA8.3517.0756.324NA5.5414.5274.281NANANANANANANA2.4732.1882.0351.791.5871.4460.920.6880.6560.4420.33NANANANANANANANANANANANANA
us-gaap:IncreaseDecreaseInAccountsPayable ▆▂█▆▁▂▄▃▃▂▃▅▃▃▄▄▃▃▃▃▃▃▃▃▃▃▃▄▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃43.0-15.86262.77339.979-29.291-18.29612.452-0.7382.344-10.589-5.27121.746-1.282-3.8617.3616.4951.3460.181-1.625-0.80.294-0.4671.8050.158-0.656-0.646-1.9884.278-0.9740.570.156-0.479-0.997-1.5712.6220.263-0.1820.184-0.212-0.1090.266-0.2080.649-0.182NA
us-gaap:IncreaseDecreaseInAccountsReceivable ▁▆▆█▆▅▃▆▅▅▄▅▄▅▄▄▅▅▄▄▄▄▄▄▄▄-31.94522.9526.88442.99824.3226.322-8.93318.2976.71811.8561.7955.6481.6938.1561.8661.5986.3777.6880.6630.4221.820.6880.7242.0580.570.205NANANANANANANANANANANANANANANANANANANA
us-gaap:IncreaseDecreaseInInventories ▂▁█▂█▆▄▅▄▅▂▄▄▅▆▅▄▃▂▂▃▃▃▂▃▃▃-1.035-3.23211.838-1.78812.7917.4694.5165.8923.5125.1210.1393.2083.0296.3537.9635.6544.5511.026-0.833-0.7380.2471.480.645-0.2430.8521.4061.298NANANANANANANANANANANANANANANANANANA
us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet ▇▇▆█▁█▇▆▇█1.127-1.033-6.7678.46-52.8579.438-1.45-4.5382.849.08NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:NetCashProvidedByUsedInOperatingActivities ▅▁█▇▄▂▃▃▅▁▄▄▃▂▄▄▃▃▃▃40.337-77.227111.40481.775-6.87-49.827-28.684-29.0817.161-74.407-1.236-4.053-25.514-38.522-0.764-5.45-31.872-33.638-27.129-24.966NANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:NetIncomeLoss ▅▇▁▄▆▆█▆▆▆▆▆▆▆▇▇▇▆▆▆▆▆-176.912-31.164-436.81-219.884-86.142-105.69777.945-40.459-38.42-83.059-53.974-45.364-36.387-39.424-21.764-26.897-30.79-34.946-37.17-37.803-44.765-47.473NANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents us-gaap:RetainedEarnings▁█-176.912-31.164NA-219.884-86.142-105.697NA-40.459-38.42-83.059NA-45.364-36.387-39.424NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:ProfitLoss ▅▇▁▄▆▆█▆▆▆▆▆▆▆▇▇▇▆▆-176.912-31.164-436.81-219.884-86.142-105.69777.945-40.459-38.42-83.059-53.974-45.364-36.387-39.424-21.764-26.897-30.79-34.946-37.17NANANANANANANANANANANANANANANANANANANANANA-6.625NANANA-2.477
us-gaap:ShareBasedCompensation ▆█▅▅▅▄▅▃▃▂▂▂▂▂▂▂▂▂▂▂▁▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁56.28577.29241.83141.47640.03929.5647.82624.34820.14316.16615.7116.49815.59312.46312.5110.7786.0956.1296.9596.1664.5076.14.9024.984.5483.622.8774.1652.4831.9952.0841.82.80.9551.4691.51.51.0351.41.1011.0680.6860.5740.64NA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:NetCashProvidedByUsedInInvestingActivities ▁▃▃▅▄▃▁█▄▄▄▄▄▂▅▄▄▅▄▄-793.767-317.512-306.63816.828-6.38-405.847-834.774857.442-102.672-41.069-9.417-78.988-130.778-562.73124.654-126.596-82.79123.9289.29-105.28NANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment ▄▂▃▂▃▂▅▆█▂▆▆▄▃▃▃▂▁▁▂▁▁▁▂▂▁▁▁▁▁▂▁▁▁▁▁▁▁▁▁▁▁▁▁24.58412.9216.5714.32720.7712.68540.83251.52268.79110.65752.10653.62329.03615.32824.03815.7945.9032.7452.6855.7514.0262.3892.5446.7987.5353.2073.0152.3262.4334.7634.8692.6871.350.3760.095-0.1430.5340.1950.5160.8880.4660.2450.1240.118NA
 us-gaap:PaymentsToAcquireProductiveAssets exas:AssetAcquisition exas:TARDISTechnologyNANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:PaymentsToAcquireProductiveAssets us-gaap:AssetAcquisition exas:TARDISTechnologyNANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
us-gaap:NetCashProvidedByUsedInFinancingActivities ▁▁▇▁▁█▁▁▁▃▁▁▃▆▁▁▃▁▁▂13.3427.245879.8594.15816.124979.486.6240.985.451240.1269.35419.074233.277672.4372.7182.46255.7750.0033.366144.706NANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value1720000.01714000.01595000.01505000.01501000.01495000.01477000.01299000.01295000.01292000.01232000.01229000.01226000.01219000.01205000.01196000.01190000.01112000.01102000.01084000.0983000.0978000.0968000.0964000.0891000.0889000.0887000.0832000.0829000.0713000.0711000.0709000.0707000.0641000.0639000.0638000.0573000.0571000.0566000.0529000.0525000.0522000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.10.10.10.10.10.10.10.20.20.20.30.30.30.30.30.30.20.40.30.30.40.30.50.50.50.40.60.60.50.80.60.60.70.60.5

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value171156150149148143129129126565252514039
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


Weighted
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value171156150149148139129129126565252514039
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Share Outstanding Basic And Diluted

us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted

us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted


Weighted
Period End2021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value16915014914812912912612212212212111911911211010910497979694888884828270707064636360575653525251
Percentage of WeightedAverageNumberOfShareOutstandingBasicAndDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount


Antidilutive
Period End2021-03-312020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312013-09-302013-06-302013-03-312012-03-31
Value282718189.166117.5517.9847.5767.3287.6957.654
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities

exas:EmployeeAndNonEmployeesStockOption


Antidilutive
Period End2021-03-312020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312013-09-302013-06-302013-03-31
Value2.6332.8412.4823.2843.6135.4755.2226.2616.1086.2496.379
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount9.310.213.117.539.446.969.278.480.685.382.9

us-gaap:ConvertibleNotesPayable


Antidilutive
Period End2021-03-312020-03-312019-03-312018-03-31
Value2020129.148
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount71.672.664.648.8

us-gaap:PerformanceShares


Antidilutive
Period End2021-03-312020-03-31
Value0.8460.599
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount3.02.1

us-gaap:RestrictedStock


Antidilutive
Period End2021-03-312020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312013-09-302013-06-302013-03-312012-03-31
Value4.4334.8234.2166.3155.5536.2022.3051.5191.2640.8751.0030.884
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount15.617.222.333.760.653.130.519.016.711.913.011.5

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


Earnings
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-1.03-2.79-1.46-0.58-0.710.56-0.31-0.3-0.66
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareDiluted


Earnings
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-1.03-2.79-1.46-0.58-0.710.54-0.31-0.3-0.66
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Basic And Diluted

us-gaap:EarningsPerShareBasicAndDiluted

us-gaap:EarningsPerShareBasicAndDiluted


Earnings
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value-0.18-2.85-1.46-0.58-0.710.62-0.31-0.3-0.66-0.44-0.37-0.3-0.33-0.18-0.23-0.27-0.32-0.34-0.36-0.46-0.49-0.41-0.45-0.44-0.4-0.38-0.39-0.24-0.23-0.17-0.16-0.19-0.170.22-0.21-0.26-0.19-0.18-0.15-0.13-0.08-0.08-0.08-0.06
Percentage of EarningsPerShareBasicAndDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Allocated Share Based Compensation Expense

us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:AllocatedShareBasedCompensationExpense


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-312011-09-302011-06-30
Value5616341414029472420161516151212106.16.16.9326.24.56.14.954.94.63.62.924.12.52.02.01.82.81.01.51.51.51.31.20.9
Percentage of AllocatedShareBasedCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax12.940.79.010.214.98.516.211.110.110.011.013.915.213.814.314.910.612.619.722.121.241.134.338.856.784.4194.10.00.0680.3193.1173.7270.396.5144.8144.8144.8124.8115.586.4

us-gaap:AllocatedShareBasedCompensationExpense us-gaap:BusinessAcquisition

exas:ThriveEarlierDetectionCorporation


Allocated
Period End2021-01-05
Value166
Percentage of AllocatedShareBasedCompensationExpense0.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax exas:ThriveEarlierDetectionCorporation0.0

us-gaap:AllocatedShareBasedCompensationExpense us-gaap:BusinessAcquisition, us-gaap:IncomeStatementLocation

exas:ThriveEarlierDetectionCorporation, us-gaap:GeneralAndAdministrativeExpense


Allocated
Period End2021-01-05
Value5.2
Percentage of AllocatedShareBasedCompensationExpense0.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax exas:ThriveEarlierDetectionCorporation us-gaap:GeneralAndAdministrativeExpense0.0

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value-177.209-31.326-437.368-220.289-82.936-107.31478-42.579-37.014-81.283-53.99-44.892-35.929-41.01-22.2-26.832-30.738-34.959-37.401-37.973-44.765-47.057-40.579-42.779-39.147-35.616-32.553-32.155-19.481-16.099-12.179-11.059-12.368-10.861-14.002-12.913-14.804-10.61-9.868-7.811-6.64-4.371
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-40.8-7.8-93.8-53.9-30.8-30.926.5-19.5-18.5-50.2-37.8-38.0-34.9-45.4-25.4-37.0-53.3-72.3-106.1-135.1-211.3-317.2-281.4-338.7-482.2-834.9-2164.40.00.0-5475.9-1175.6-1067.5-1193.8-1048.4-1351.5-1246.4-1429.0-1024.1-947.0-751.8-637.2-420.3

Cost Of Goods And Services Sold

us-gaap:CostOfGoodsAndServicesSold

us-gaap:CostOfGoodsAndServicesSold


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value113109999577817052514338302622232017161312109.0597.6677.5285.0944.2123.4010.9240.0060.0060.0060.0060.0060.0060.006
Percentage of CostOfGoodsAndServicesSold100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax26.227.421.423.329.023.523.824.125.826.726.725.426.125.426.928.631.235.139.343.347.761.153.259.662.798.7226.10.00.60.60.60.60.00.40.5

Cost Of Revenue

us-gaap:CostOfRevenue

us-gaap:CostOfRevenue


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value113109999577817052514338302622232017161312109.0597.6677.5285.0944.2123.4010.9240.0060.0060.0060.0060.0060.0060.006
Percentage of CostOfRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax26.227.421.423.329.023.523.824.125.826.726.725.426.125.426.928.631.235.139.343.347.761.153.259.662.798.7226.10.00.60.60.60.60.00.40.5

Costs And Expenses

us-gaap:CostsAndExpenses

us-gaap:CostsAndExpenses


Costs
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value606702881611359430391254233230
Percentage of CostsAndExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax139.5174.7189.1149.8133.7123.7132.5116.3117.0142.0

Gains Losses On Extinguishment Of Debt

us-gaap:GainsLossesOnExtinguishmentOfDebt

us-gaap:GainsLossesOnExtinguishmentOfDebt


Gains
Period End2020-12-312020-09-302020-06-302020-02-292020-03-312019-12-312019-09-302019-06-302019-03-31
Value000-8000000.0-7954000.0000-10600000.0
Percentage of GainsLossesOnExtinguishmentOfDebt0.00.00.0100.0100.00.00.00.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.0-2.30.00.00.00.0

General And Administrative Expense

us-gaap:GeneralAndAdministrativeExpense

us-gaap:GeneralAndAdministrativeExpense


General
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value16726714511510611314480636456463935333024202120171715151312108.9946.234.5863.6873.6863.6282.6482.8152.5472.3932.1452.2061.9511.832.151.6831.7961.339
Percentage of GeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax38.666.631.228.339.732.848.936.831.939.539.539.538.539.438.642.442.741.561.072.281.6120.1110.0122.2168.5304.1706.40.00.01559.9355.9355.8350.2255.6271.7245.8231.0207.0211.7187.8175.6206.70.0132.4101.9

us-gaap:GeneralAndAdministrativeExpense us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedTranslationAdjustment


General
Period End2020-12-312020-09-302020-06-302020-03-31
Value0.00.00.0-0.025
Percentage of GeneralAndAdministrativeExpense0.00.00.0-0.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.0-0.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedTranslationAdjustment0.00.00.00.0

Gross Profit

us-gaap:GrossProfit

us-gaap:GrossProfit


Gross
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value346292170245213166148118104887667635139312115115.7766.7535.1043.0250.054-1.897-0.9240.00.2941.0361.0361.0361.0361.0361.0361.0361.0361.0361.0331.0361.0341.3691.351.308
Percentage of GrossProfit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax74.271.763.470.772.175.974.273.373.374.673.974.673.171.468.864.960.756.752.338.946.840.437.31.3-126.10.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.099.499.499.499.40.099.699.5

Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value-172890000.0-273970000.0-438270000.0-224390000.0-87009000.0-107430000.0-106680000.0-39776000.0-38863000.0-83529000.0-53967000.0-45337000.0-36388000.0-39365000.0-21863000.0-27128000.0-30756000.0-34871000.0-37170000.0-37803000.0
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-39.8-68.1-94.0-54.9-32.4-30.9-36.1-18.2-19.4-51.5-37.7-38.3-35.4-43.6-25.0-37.4-53.4-72.1-105.5-134.5

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value4025000.0-242800000.0-1463000.0-4510000.0-867000.0-1732000.0-184630000.0683000.0-443000.0-470000.07000.027000.0-1000.059000.0-99000.0-231000.034000.075000.0
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.9-60.4-0.3-1.1-0.3-0.5-62.50.3-0.2-0.30.00.0-0.00.1-0.1-0.30.10.2

Interest Expense

us-gaap:InterestExpense

us-gaap:InterestExpense


Interest
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302016-03-312015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value242322251313122110108.6030.0540.0110.0110.0120.0130.0150.0160.0160.0180.0190.020.0110.0050.0050.0060.0050.0050.0050.0050.0050.005
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.25.88.57.24.66.06.413.67.79.08.40.40.30.70.00.05.11.51.51.71.81.91.10.50.50.60.50.50.50.00.40.4

Interest Expense Debt

us-gaap:InterestExpenseDebt

us-gaap:InterestExpenseDebt


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value4.0314.016232322241312122110108.554
Percentage of InterestExpenseDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.91.05.15.78.47.04.55.86.213.47.59.08.3

Interest Income Expense Net

us-gaap:InterestIncomeExpenseNet

us-gaap:InterestIncomeExpenseNet


Interest
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-4.652-4.616-23.582-22.912-25.153-13.688-13.209-12.712-21.99-10.972-10.704-8.603-6.51-0.051-0.051-0.054-0.05-0.052-0.054-0.053-0.054-0.062-0.040.107-0.011
Percentage of InterestIncomeExpenseNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-1.1-1.1-5.8-8.5-7.2-4.6-6.0-6.4-13.6-7.7-9.0-8.4-7.2-0.1-0.1-0.1-0.1-0.1-0.2-0.3-0.4-0.4-0.31.3-0.3

Interest Paid Net

us-gaap:InterestPaidNet

us-gaap:InterestPaidNet


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value140000.05274000.0145000.05331000.0183000.03725000.04357000.03728000.0-496000.01712000.0
Percentage of InterestPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.01.30.01.30.11.11.51.7-0.21.1

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value-176.912-31.164-436.81-219.884-86.142-105.69777-40.459-38.42-83.059-53.974-45.364-36.387-39.424-21.764-26.897-30.79-34.946-37.17-37.803-44.765-47.473
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-40.7-7.8-93.7-53.8-32.0-30.426.4-18.5-19.2-51.3-37.7-38.3-35.4-43.7-24.9-37.1-53.4-72.3-105.5-134.5-211.3-320.0

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-176.912-31.164-219.884-86.142-105.697-40.459-38.42-83.059-45.364-36.387-39.424
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-40.7-7.8-53.8-32.0-30.4-18.5-19.2-51.3-38.3-35.4-43.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.0

Nonoperating Income Expense

us-gaap:NonoperatingIncomeExpense

us-gaap:NonoperatingIncomeExpense


Nonoperating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value-1.22326-22.971-21.059-20.0-25.056-10.575-4.116-5.043-15.335-4.651-4.412-3.686-2.8371.2691.2830.6290.5450.540.4810.3720.4120.4290.3250.30.2110.1390.1480.1330.071
Percentage of NonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.36.6-4.9-5.2-7.4-7.2-3.6-1.9-2.5-9.5-3.3-3.7-3.6-3.11.51.81.11.11.51.71.82.83.02.63.74.99.20.00.024.1

Operating Expenses

us-gaap:OperatingExpenses

us-gaap:OperatingExpenses


Operating
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value761496237328309201182186154129108103868071665954565347484236293219161312131115141511108.8767.6785.4365.1924.7463.792
Percentage of OperatingExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax163.3121.588.394.3104.692.291.1115.4107.8109.2105.7115.199.4110.6123.3138.3167.7192.9265.4361.7327.1382.9522.1845.41978.90.00.05602.71284.01185.61292.21151.81455.41355.61537.31133.01053.0854.3736.9522.70.0350.0288.6

Operating Income Loss

us-gaap:OperatingIncomeLoss

us-gaap:OperatingIncomeLoss


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value-171660000.0-300540000.0-415300000.0-203340000.0-67009000.0-82373000.0-96108000.0-35660000.0-33820000.0-68194000.0-49316000.0-40925000.0-32702000.0-36528000.0-23132000.0-28411000.0-31419000.0-35491000.0-37710000.0-38284000.0-45137000.0-47885000.0-40420000.0-43270000.0-39366000.0-36012000.0-32583000.0-32208000.0-19570000.0-16178000.0-12266000.0-11247000.0-12351000.0-10897000.0-14042000.0-13008000.0-14890000.0-10702000.0-9936000.0-7843000.0-6642000.0-4402000.0-3823000.0-3396000.0-2484000.0
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-39.5-74.7-89.1-49.8-24.9-23.7-32.5-16.3-16.9-42.1-34.5-34.6-31.8-40.5-26.5-39.1-54.5-73.4-107.0-136.2-213.1-322.8-280.3-342.5-484.9-844.2-2166.40.00.0-5502.7-1184.0-1085.6-1192.2-1051.8-1355.4-1255.6-1437.3-1033.0-953.6-754.9-637.4-423.30.0-250.4-189.0

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312011-06-302010-06-30
Value-176910000.0-31164000.0-436810000.0-219880000.0-86142000.0-105700000.077945000.0-40459000.0-38420000.0-83059000.0-53974000.0-45364000.0-36387000.0-39424000.0-21764000.0-26897000.0-30790000.0-34946000.0-37170000.0-6625000.0-2477000.0
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-40.7-7.8-93.7-53.8-32.0-30.426.4-18.5-19.2-51.3-37.7-38.3-35.4-43.7-24.9-37.1-53.4-72.3-105.5-635.8-188.5

Research And Development Expense

us-gaap:ResearchAndDevelopmentExpense

us-gaap:ResearchAndDevelopmentExpense


Research
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value106115446313243433430322017141412119.7378.0027.0827.6258.64109.3659.8638.1156.5714.9929.0737.1747.436.7136.9826.4577.5261010128.9997.6726.115.1972.9892.472.6352.123
Percentage of ResearchAndDevelopmentExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax24.428.795.77.712.212.514.616.015.119.814.614.914.316.514.516.216.916.520.127.140.868.364.978.1100.0154.0331.90.00.02527.2648.0673.9623.3726.41007.61012.61177.8868.6736.3588.1498.8287.40.0194.3161.6

us-gaap:ResearchAndDevelopmentExpense dei:LegalEntity, us-gaap:TypeOfArrangement

exas:MAYOFoundation, us-gaap:LicensingAgreements


Research
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-03-312013-03-31
Value1.01.21.10.91.01.01.21.01.11.11.10.71.41.31.11.11.10.80.81.00.50.50.50.50.4
Percentage of ResearchAndDevelopmentExpense0.91.00.22.93.12.32.82.93.63.45.34.09.58.79.411.313.710.59.39.95.16.27.66.75.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.20.30.20.20.40.30.40.50.60.70.80.61.41.41.51.92.32.83.86.74.06.211.7170.138.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax exas:MAYOFoundation us-gaap:LicensingAgreements0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Revenue From Contract With Customer Excluding Assessed Tax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value43440246640826834729521819916214211810290877257483528211414128.1194.2661.5040.00.00.2941.0361.0361.0361.0361.0361.0361.0361.0361.0421.0391.0421.041.3751.3561.314
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax exas:ServiceOrProductType

exas:COVID19Testing


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-06-30
Value333299102340.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.68.021.225.012.90.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.68.021.225.012.90.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax exas:COVID19Testing100.0100.0100.0100.0100.00.0

exas:PrecisionOncology


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value137129117911021280.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax31.732.225.222.438.336.90.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax31.732.225.222.438.336.90.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax exas:PrecisionOncology100.0100.0100.0100.0100.0100.00.00.0

exas:Screening


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value263240249214131219229218199162
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax60.759.853.552.648.863.177.6100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax60.759.853.552.648.863.177.6100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax exas:Screening100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax exas:ServiceOrProductType, us-gaap:ProductOrService

exas:PrecisionOncology, exas:InternationalSales


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value2626211619200.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.26.54.64.07.16.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.26.54.64.07.16.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax exas:PrecisionOncology exas:InternationalSales100.0100.0100.0100.0100.0100.00.00.0

exas:PrecisionOncology, us-gaap:Product


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value4743423333470.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.010.79.08.312.613.50.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.010.79.08.312.613.50.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax exas:PrecisionOncology us-gaap:Product100.0100.0100.0100.0100.0100.00.00.0

exas:PrecisionOncology, us-gaap:ProductAndServiceOther


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value136.985.3073.9894.5240.7940.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.11.71.11.01.70.20.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.11.71.11.01.70.20.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax exas:PrecisionOncology us-gaap:ProductAndServiceOther100.0100.0100.0100.0100.0100.00.00.0

exas:PrecisionOncology, us-gaap:Service


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value4953483745590.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.413.210.59.216.917.10.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.413.210.59.216.917.10.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax exas:PrecisionOncology us-gaap:Service100.0100.0100.0100.0100.0100.00.00.0

exas:Screening, us-gaap:Product


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value11110110898599810910810382
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax25.625.323.324.222.228.237.049.651.851.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax25.625.323.324.222.228.237.049.651.851.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax exas:Screening us-gaap:Product100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

exas:Screening, us-gaap:ProductAndServiceOther


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1210119.7746.671113107.4835.775
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.92.72.52.42.53.44.65.03.73.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.92.72.52.42.53.44.65.03.73.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax exas:Screening us-gaap:ProductAndServiceOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

exas:Screening, us-gaap:Service


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value14012712910665109106998873
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax32.231.827.726.024.231.436.045.444.445.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax32.231.827.726.024.231.436.045.444.445.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax exas:Screening us-gaap:Service100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementGeographical

country:US


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value407376445392249326284218199162
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax93.893.595.496.092.994.096.1100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax93.893.595.496.092.994.096.1100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax country:US100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NonUs


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value2626211619200.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.26.54.64.07.16.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.26.54.64.07.16.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:NonUs100.0100.0100.0100.0100.0100.00.00.0

Revenue From Contract With Customer Including Assessed Tax

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax


Revenue
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value40246640826834729521819916214211810290877257483528211414128.1194.2661.5040.00.00.294
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:StatementGeographical

country:US


Revenue
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value376445392249326284218199162
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax93.595.496.092.994.096.1100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax93.595.496.092.994.096.1100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax country:US100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NonUs


Revenue
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value26211619200.00.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax6.54.64.07.16.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.54.64.07.16.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:NonUs100.0100.0100.0100.0100.00.00.0

Revenues

us-gaap:Revenues

us-gaap:Revenues


Revenues
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value43440246640826834729521819916214211810290877257483528211414128.1194.2661.5040.00.00.2941.0361.0361.0361.0361.0361.0361.0361.0361.0421.0391.0421.041.3751.3561.314
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Selling And Marketing Expense

us-gaap:SellingAndMarketingExpense

us-gaap:SellingAndMarketingExpense


Selling
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value1941861661361181671198688907664545340373638302630252123201615136.1664.4562.9021.6153.3021.7591.8241.0061.3310.5941.0940.8150.6510.2971.0390.3150.33
Percentage of SellingAndMarketingExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax44.846.335.833.444.248.240.539.444.156.153.754.852.959.146.552.063.780.286.693.6143.0173.3152.2182.7253.6387.31001.90.00.01515.6280.1155.9318.7169.8176.197.1128.557.3105.078.462.528.675.623.225.1

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value6724673449254354446744613505175917811770152415091482125659858758235037740328832336439325327831123425513414615516399112123768896788596
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Liabilities

us-gaap:Liabilities

us-gaap:Liabilities


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value3165308521012017195619231217101010169938437927385697860414041403935373228202211
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets47.145.842.746.343.843.134.757.557.056.155.352.549.845.313.110.27.211.611.110.113.611.010.38.311.17.47.37.7

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value6724673449254354446744613505175917811770152415091482125659858758235037740328832336439325327831123425513414615516399112123768896788596
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-312009-12-312008-12-31
Value3559364828232337251125372288748765776680716744687520527540309335362249288326361224258288215242121135145153899811064758364796.094-2.433
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets52.954.257.353.756.256.965.342.543.043.944.747.550.254.786.989.892.888.488.989.986.489.089.791.788.992.692.791.794.990.892.393.394.189.187.989.684.286.286.182.382.60.00.0

us-gaap:StockholdersEquity us-gaap:CumulativeEffectPeriodOfAdoption, us-gaap:StatementEquityComponents

srt:CumulativeEffectPeriodOfAdoptionAdjustment, us-gaap:AdditionalPaidInCapital


Stockholders
Period End2020-12-312019-12-312018-12-31
Value-510.3-227.8-260.2
Percentage of StockholdersEquity-18.1-10.0-38.2
Percentage of Assets-10.4-6.5-17.1
Percentage of Assets srt:CumulativeEffectPeriodOfAdoptionAdjustment us-gaap:AdditionalPaidInCapital0.00.00.0

srt:CumulativeEffectPeriodOfAdoptionAdjustment, us-gaap:RetainedEarnings


Stockholders
Period End2020-12-312019-12-312018-12-31
Value-77.7-102.626
Percentage of StockholdersEquity-2.8-4.53.9
Percentage of Assets-1.6-2.91.7
Percentage of Assets srt:CumulativeEffectPeriodOfAdoptionAdjustment us-gaap:RetainedEarnings0.00.00.0

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-31
Value0.0670.3640.5261.0841.489-1.717-0.075-0.3071.7470.259-1.397-0.689-0.214
Percentage of StockholdersEquity0.00.00.00.00.1-0.1-0.0-0.00.20.0-0.2-0.1-0.1
Percentage of Assets0.00.00.00.00.0-0.0-0.0-0.00.10.0-0.1-0.1-0.1
Percentage of Assets us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value0.0670.3640.5261.0841.489-1.717-0.1-0.361.760.354-1.422-1.406-1.878-2.336-0.75-0.418-0.433-0.1150.1250.078-0.0140.001-0.001
Percentage of StockholdersEquity0.00.00.00.00.1-0.1-0.0-0.00.20.0-0.2-0.2-0.3-0.3-0.1-0.1-0.1-0.00.10.1-0.00.0-0.0
Percentage of Assets0.00.00.00.00.0-0.0-0.0-0.00.10.0-0.1-0.1-0.1-0.2-0.1-0.1-0.1-0.00.10.1-0.00.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value5811572347893865381937633406194519191894171616981681158813801080904709455372304272187169
Percentage of StockholdersEquity163.3156.9169.6165.4152.1148.3148.9259.9250.8243.8252.1237.0225.9231.2265.3322.2276.9245.3336.4377.4365.0341.53074.1-6981.3
Percentage of Assets86.485.097.388.885.584.497.2110.6107.7107.0112.7112.5113.4126.4230.6286.6248.4227.5310.5331.9314.3282.20.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value1.721.7141.5951.5051.5011.4951.4771.2991.2951.2921.2321.2291.2261.2191.2051.1020.9680.8870.7110.6390.5660.5220.3550.275
Percentage of StockholdersEquity0.00.00.10.10.10.10.10.20.20.20.20.20.20.20.20.30.30.30.50.60.70.75.8-11.3
Percentage of Assets0.00.00.00.00.00.00.00.10.10.10.10.10.10.10.20.30.30.30.50.60.60.50.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value-2253.972-2077.06-1968.289-1531.479-1311.595-1225.453-1119.756-1197.701-1157.242-1118.822-1035.763-981.789-936.425-900.038-860.614-745.821-578.61-420.807-320.759-274.245-221.824-193.149-181.593-172.465
Percentage of StockholdersEquity-63.3-56.9-69.7-65.5-52.2-48.3-48.9-160.1-151.2-144.0-152.1-137.0-125.8-131.0-165.4-222.4-177.0-145.6-237.0-278.2-265.7-242.2-2979.97088.6
Percentage of Assets-33.5-30.8-40.0-35.2-29.4-27.5-31.9-68.1-64.9-63.2-68.0-65.0-63.2-71.6-143.8-197.8-158.8-135.0-218.8-244.6-228.8-200.10.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Assets Current

us-gaap:AssetsCurrent

us-gaap:AssetsCurrent


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value166917752198160615041484556131913741407122812891310112148751352630633335924728432635922325629121623811813514815896108119738594768495
Percentage of AssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets24.826.444.636.933.733.315.975.077.279.580.685.488.489.381.487.590.387.488.589.085.787.789.591.288.291.893.692.193.388.692.495.797.396.697.097.196.297.197.497.298.399.1

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-312008-12-31
Value363110314918067037011771034205285160161225148775018039486349524131334058272017129.71218.05313126.02612354.9953872782024214.937
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.416.430.318.515.815.75.158.811.516.110.510.715.211.812.98.731.011.213.015.717.016.111.38.013.314.618.711.98.113.38.86.213.28.111.910.37.914.036.96.444.80.081.60.00.00.00.0

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312016-12-31
Value3641104149180670470117710342052851601612257748
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.416.430.318.515.815.75.158.811.516.110.510.715.212.913.0

Marketable Securities Current

us-gaap:MarketableSecuritiesCurrent

us-gaap:MarketableSecuritiesCurrent


Marketable
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value94327434847651853014612610349979631023996893347411303235262274175210265311177204224183214981201381368794105647157704516
Percentage of MarketableSecuritiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets14.04.17.110.911.611.94.27.258.056.363.267.867.271.158.070.152.267.269.568.060.765.072.979.270.073.372.178.183.773.282.188.883.587.484.585.885.281.059.489.752.917.3

Accounts Receivable Net Current

us-gaap:AccountsReceivableNetCurrent

us-gaap:AccountsReceivableNetCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value22625623320616314013082635644413634262422168.5267.8637.4415.6214.9334.2092.1511.5811.376
Percentage of AccountsReceivableNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.43.84.74.73.73.13.74.73.63.22.92.82.42.84.44.23.94.62.32.02.61.71.41.10.90.60.4

Inventory Net

us-gaap:InventoryNet

us-gaap:InventoryNet


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value89899280826961534744393835322618127.8596.8337.6668.4048.1576.6776.0326.2755.4234.0174.0174.017
Percentage of InventoryNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.31.31.91.81.81.61.83.12.72.52.62.62.42.64.33.12.12.21.81.92.92.51.81.52.51.91.31.71.6

Inventory Raw Materials And Supplies

us-gaap:InventoryRawMaterialsAndSupplies

us-gaap:InventoryRawMaterialsAndSupplies


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value4440433335272419151512121110107.0335.0092.7542.4082.2422.1492.0661.7721.7461.0722.3051.0191.0191.019
Percentage of InventoryRawMaterialsAndSupplies100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.70.60.90.80.80.60.71.10.90.90.80.80.80.91.71.20.90.80.60.60.70.60.50.40.40.80.30.40.4

Prepaid Expense And Other Assets Current

us-gaap:PrepaidExpenseAndOtherAssetsCurrent

us-gaap:PrepaidExpenseAndOtherAssetsCurrent


Prepaid
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value4552333636434023232420231612108.5516.8727.4437.1145.6737.2957.7227.6415.6024.0193.8923.5282.3773.9872.8422.1990.9041.0871.0670.5931.2522.3471.9181.0340.8670.6110.246
Percentage of PrepaidExpenseAndOtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.70.80.70.80.81.01.21.31.31.41.31.61.11.01.71.51.22.11.91.42.52.42.11.41.61.41.11.01.62.11.50.60.71.10.51.03.12.21.11.10.70.3

Property Plant And Equipment Gross

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:PropertyPlantAndEquipmentGross


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value675639587586573558532437406355303239187145118907366636055514843372926232118149.4366.7495.495.1865.0914.0833.5493.3542.8391.951.24
Percentage of PropertyPlantAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets10.09.511.913.512.812.515.224.922.820.119.915.912.611.619.715.512.619.016.715.019.215.913.211.114.710.68.510.18.414.19.76.14.15.54.64.15.44.03.53.62.31.3

us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType

exas:BuildingsAndLeaseholdImprovements


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value140138117113111109806159593835231717
Percentage of PropertyPlantAndEquipmentGross20.821.620.119.319.519.615.114.214.716.812.814.712.412.014.9
Percentage of Assets2.12.12.42.62.52.52.33.53.43.42.62.31.61.42.9
Percentage of Assets exas:BuildingsAndLeaseholdImprovements0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

exas:OfficeEquipmentAndComputerSoftware


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value938473787468654238373635333230
Percentage of PropertyPlantAndEquipmentGross13.913.312.513.413.012.312.39.79.410.612.214.717.922.525.5
Percentage of Assets1.41.31.51.81.71.51.92.42.12.12.42.32.32.65.0
Percentage of Assets exas:OfficeEquipmentAndComputerSoftware0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AssetUnderConstruction


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value352218266167149119206190167110805028
Percentage of PropertyPlantAndEquipmentGross5.23.63.24.510.712.028.127.350.853.555.246.343.035.024.3
Percentage of Assets0.50.30.40.61.41.54.36.811.610.711.07.35.44.14.8
Percentage of Assets us-gaap:AssetUnderConstruction0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Building


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value201200200200165165112115187.9287.9289.8867.9287.9287.928
Percentage of PropertyPlantAndEquipmentGross29.831.434.234.128.929.621.226.34.52.22.64.14.25.46.7
Percentage of Assets3.03.04.14.63.73.73.26.51.00.40.50.70.50.61.3
Percentage of Assets us-gaap:Building0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Equipment


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value1681561421361301201048066453734302623
Percentage of PropertyPlantAndEquipmentGross24.924.424.223.322.721.519.518.516.312.712.414.516.218.019.7
Percentage of Assets2.52.32.93.12.92.73.04.63.72.52.52.32.02.13.9
Percentage of Assets us-gaap:Equipment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:FurnitureAndFixtures


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value2726242322201411118.4818.3537.6085.6934.5544.531
Percentage of PropertyPlantAndEquipmentGross4.14.24.34.14.03.72.72.62.82.42.83.23.03.13.8
Percentage of Assets0.40.40.50.60.50.50.40.60.60.50.50.50.40.40.8
Percentage of Assets us-gaap:FurnitureAndFixtures0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:LandImprovements


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value4.914.914.8643.2222.3991.7661.7661.7661.7661.7661.531.531.531.4191.419
Percentage of PropertyPlantAndEquipmentGross0.70.80.80.50.40.30.30.40.40.50.50.60.81.01.2
Percentage of Assets0.10.10.10.10.10.00.10.10.10.10.10.10.10.10.2
Percentage of Assets us-gaap:LandImprovements0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Construction In Progress Gross

us-gaap:ConstructionInProgressGross us-gaap:PropertyPlantAndEquipmentByType

us-gaap:ConstructionInProgressGross

exas:BuildingsAndLeaseholdImprovements


Construction
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value198.93.28.4434412694166143130795532138.0
Percentage of ConstructionInProgressGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.30.10.10.21.01.03.65.49.38.18.65.33.72.62.31.4
Percentage of Assets exas:BuildingsAndLeaseholdImprovements0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ComputerSoftwareIntangibleAsset


Construction
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312017-12-312016-12-31
Value7.16.67.97.95.65.73.95.22.61.7
Percentage of ConstructionInProgressGross36.274.2246.994.012.812.93.14.018.80.0
Percentage of Assets0.10.10.20.20.10.10.10.30.40.5
Percentage of Assets us-gaap:ComputerSoftwareIntangibleAsset0.00.00.00.00.00.00.00.00.00.0

us-gaap:Equipment


Construction
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312014-09-302014-06-302014-03-312013-09-30
Value8.47.47.69.7111718222535312822160.52.31.80.8
Percentage of ConstructionInProgressGross42.983.1237.5115.526.238.415.024.115.624.924.135.241.049.50.00.00.00.0
Percentage of Assets0.10.10.20.20.30.40.51.31.52.02.11.91.51.30.20.91.30.5
Percentage of Assets us-gaap:Equipment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:FurnitureAndFixtures


Construction
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312017-09-30
Value0.10.50.60.30.70.2
Percentage of ConstructionInProgressGross3.16.01.40.70.62.5
Percentage of Assets0.00.00.00.00.00.0
Percentage of Assets us-gaap:FurnitureAndFixtures0.00.00.00.00.00.0

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value173156136129110937766706357514642383531282421191613119.8178.0276.4395.3024.3833.6943.0382.6852.3552.0481.7811.4621.2130.9980.7960.6480.5310.386
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.62.32.83.02.52.12.23.84.03.63.83.43.23.46.46.05.48.06.65.56.65.13.83.03.92.92.12.31.72.82.11.71.42.01.61.21.61.10.80.80.60.4

Amortization Of Intangible Assets

us-gaap:AmortizationOfIntangibleAssets

us-gaap:AmortizationOfIntangibleAssets


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value232323232323130.7480.7480.810.7340.6020.6020.6120.410.3550.240.050.050.050.050.05
Percentage of AmortizationOfIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:PropertyPlantAndEquipmentNet


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value50148245045646346545537033529124518814010379554238383836353432272119181715116.7514.3943.4423.4053.6292.872.5512.5582.1911.4190.854
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets7.57.29.210.510.410.413.021.118.816.516.112.59.58.213.49.57.211.010.19.512.610.89.48.110.87.76.47.96.711.47.64.32.73.43.02.93.82.92.62.81.70.9

Goodwill

us-gaap:Goodwill

us-gaap:Goodwill


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value2242218312371237123712371203171717171.9791.9791.979
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets33.332.425.128.427.727.734.31.01.01.01.10.10.10.3

us-gaap:Goodwill us-gaap:BusinessAcquisition

exas:AshionAnalytics


Goodwillus-gaap:
Period End2021-04-14
Value56
Percentage of Goodwill0.0
Percentage of Assets0.0
Percentage of Assets exas:AshionAnalytics0.0

exas:GenomicHealthInc


Goodwillus-gaap:
Period End2020-11-082019-12-312019-11-08
Value118912001185
Percentage of Goodwill0.099.70.0
Percentage of Assets0.034.20.0
Percentage of Assets exas:GenomicHealthInc0.00.00.0

exas:ParadigmViomics


Goodwillus-gaap:
Period End2021-03-032020-12-312020-03-312020-03-03
Value30302929
Percentage of Goodwill0.02.52.40.0
Percentage of Assets0.00.60.70.0
Percentage of Assets exas:ParadigmViomics0.00.00.00.0

exas:ThriveEarlierDetectionCorporation


Goodwillus-gaap:
Period End2021-06-302021-01-05
Value948946
Percentage of Goodwill42.30.0
Percentage of Assets14.10.0
Percentage of Assets exas:ThriveEarlierDetectionCorporation0.00.0

Indefinite Lived Intangible Assets Excluding Goodwill

us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill

us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill


Indefinite
Period End2021-06-302021-03-312020-12-31
Value125012500.103
Percentage of IndefiniteLivedIntangibleAssetsExcludingGoodwill100.0100.0100.0
Percentage of Assets18.618.60.0

us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass

us-gaap:DevelopedTechnologyRights


Indefinite
Period End2020-09-302020-06-302020-03-312019-12-31
Value0.2060.4920.3550.271
Percentage of IndefiniteLivedIntangibleAssetsExcludingGoodwill0.00.00.00.0
Percentage of Assets0.00.00.00.0
Percentage of Assets us-gaap:DevelopedTechnologyRights0.00.00.00.0

Intangible Assets Net Excluding Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value2089207384887111051128114329
Percentage of IntangibleAssetsNetExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets31.130.817.220.024.725.332.61.9

Finite Lived Intangible Assets Net

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:FiniteLivedIntangibleAssetsNet


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value83982384887190492794326272821202121221.55
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets12.512.217.220.020.220.826.91.51.51.61.41.41.41.73.70.4

us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:CustomerRelationships


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value2.2062.2512.2962.3412.3862.4312.4762.5212.5662.6112.666
Percentage of FiniteLivedIntangibleAssetsNet0.30.30.30.30.30.30.39.49.39.312.4
Percentage of Assets0.00.00.00.10.10.10.10.10.10.10.2
Percentage of Assets us-gaap:CustomerRelationships0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:DevelopedTechnologyRights


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-10-022018-09-302018-06-30
Value7187007207417617817945.7085.8365.960.8835.40.971.019
Percentage of FiniteLivedIntangibleAssetsNet85.785.085.085.084.284.284.221.221.321.24.10.04.74.8
Percentage of Assets10.710.414.617.017.017.522.60.30.30.30.10.00.10.1
Percentage of Assets us-gaap:DevelopedTechnologyRights0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Patents


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value4.3494.6835.0195.35215161617171818
Percentage of FiniteLivedIntangibleAssetsNet0.50.60.60.61.71.71.864.365.065.488.0
Percentage of Assets0.10.10.10.10.30.40.51.01.01.01.2
Percentage of Assets us-gaap:Patents0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ServiceAgreements


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value23242526272829
Percentage of FiniteLivedIntangibleAssetsNet2.83.03.03.03.03.13.1
Percentage of Assets0.30.40.50.60.60.60.8
Percentage of Assets us-gaap:ServiceAgreements0.00.00.00.00.00.00.0

us-gaap:SoftwareDevelopment


Finite
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value1.21.1331.2061.0590.8930.7190.5360.5050.531
Percentage of FiniteLivedIntangibleAssetsNet0.10.10.10.10.12.72.01.82.5
Percentage of Assets0.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:SoftwareDevelopment0.00.00.00.00.00.00.00.00.0

us-gaap:TradeNames


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value909193959698990.6530.6650.6770.689
Percentage of FiniteLivedIntangibleAssetsNet10.811.111.010.910.710.610.62.42.42.43.2
Percentage of Assets1.31.41.92.22.22.22.80.00.00.00.0
Percentage of Assets us-gaap:TradeNames0.00.00.00.00.00.00.00.00.00.00.0

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312019-01-01
Value16616112512913212412619212120
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.52.42.63.03.02.83.61.11.21.20.0

Other Assets Noncurrent

us-gaap:OtherAssetsNoncurrent

us-gaap:OtherAssetsNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value545663522321202426264.4159.0158.7739.9199.19817145.685.3255.7065.0794.654.072.5622.4421.21.2
Percentage of OtherAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.80.81.31.20.50.50.61.41.51.50.30.60.60.81.53.02.51.61.41.41.81.41.10.71.00.40.4

Equity Securities Fv Ni

us-gaap:EquitySecuritiesFvNi

us-gaap:EquitySecuritiesFvNi


Equity
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value7533000.01521000.01418000.01385000.01025000.01716000.00
Percentage of EquitySecuritiesFvNi100.0100.0100.0100.0100.0100.00.0
Percentage of Assets0.10.00.00.00.00.00.0

us-gaap:EquitySecuritiesFvNi us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


Equity
Period End2020-12-312020-09-302020-06-302020-03-312019-12-31
Value1521000.01418000.01385000.01025000.01716000.0
Percentage of EquitySecuritiesFvNi100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.0
Percentage of Assets us-gaap:FairValueInputsLevel1 us-gaap:FairValueMeasurementsRecurring0.00.00.00.00.0

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Equity
Period End2021-06-302020-06-302020-03-312019-12-31
Value7533000.0000
Percentage of EquitySecuritiesFvNi100.00.00.00.0
Percentage of Assets0.10.00.00.0
Percentage of Assets us-gaap:FairValueInputsLevel2 us-gaap:FairValueMeasurementsRecurring0.00.00.00.0

us-gaap:EquitySecuritiesFvNi us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Equity
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-31
Value7533000.01521000.01418000.01385000.01025000.01716000.0
Percentage of EquitySecuritiesFvNi100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.00.00.00.00.0
Percentage of Assets us-gaap:FairValueMeasurementsRecurring0.00.00.00.00.00.0

Accounts Payable Current

us-gaap:AccountsPayableCurrent

us-gaap:AccountsPayableCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value3634352630382519191728321012168.7742.2370.8910.712.3353.1352.8413.3081.5031.3452.0012.6474.6350.3571.3310.7610.6051.0842.0813.6521.030.7670.9490.7650.9771.0861.028
Percentage of AccountsPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.50.50.70.60.70.90.71.11.11.01.82.20.71.02.71.50.40.30.20.61.10.90.90.40.50.70.82.00.11.00.50.40.72.13.30.81.01.10.81.21.31.1

Accrued Liabilities Current

us-gaap:AccruedLiabilitiesCurrent

us-gaap:AccruedLiabilitiesCurrent


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value26521423318213916619313415114310068605649382627282623202220161113118.566.8065.8065.7254.2273.3453.3274.0843.7292.63.0692.2661.8371.987
Percentage of AccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.03.24.74.23.13.75.57.78.58.16.64.64.04.58.26.54.67.77.56.58.36.36.15.36.44.24.54.73.35.14.03.72.63.33.03.34.93.03.22.92.12.1

Contract With Customer Liability Current

us-gaap:ContractWithCustomerLiabilityCurrent

us-gaap:ContractWithCustomerLiabilityCurrent


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value28392522300.60.70.70.40.50.50.30.20.2
Percentage of ContractWithCustomerLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.40.60.50.50.70.00.00.00.00.00.00.00.00.0

us-gaap:ContractWithCustomerLiabilityCurrent us-gaap:UnusualOrInfrequentItem

exas:COVID19


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-30
Value2738242130
Percentage of ContractWithCustomerLiabilityCurrent96.296.796.897.398.4
Percentage of Assets0.40.60.50.50.7
Percentage of Assets exas:COVID190.00.00.00.00.0

Liabilities Current

us-gaap:LiabilitiesCurrent

us-gaap:LiabilitiesCurrent


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value675628575252222243236480492167136106827368493129303028242623181417169.8189.0337.7528.5028.0199.165119.6128.6397.6927.9777.3867.0667.158
Percentage of LiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets10.09.311.75.85.05.56.727.327.69.59.07.15.65.811.48.55.48.58.17.59.87.67.36.07.45.25.67.13.86.75.35.54.99.210.27.811.48.78.29.48.37.4

Operating Lease Liability Current

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OperatingLeaseLiabilityCurrent


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312019-01-01
Value161511109.8718.6637.8913.63.73.03.0
Percentage of OperatingLeaseLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.20.20.20.20.20.20.20.20.20.20.0

Other Accrued Liabilities Current

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:OtherAccruedLiabilitiesCurrent


Other
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value20134.0522.9960.7920.3090.1220.0820.0190.037
Percentage of OtherAccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.40.40.30.50.20.10.00.10.00.0

Other Liabilities Current

us-gaap:OtherLiabilitiesCurrent

us-gaap:OtherLiabilitiesCurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value42503831405.7098.4679.296.6755.8893.2043.1583.1822.752.6812.3451.9431.7931.7021.451.2811.1910.9960.8610.7340.554
Percentage of OtherLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.60.80.80.70.90.10.20.50.40.30.20.20.20.20.40.40.30.50.50.40.40.40.30.20.30.2

us-gaap:OtherLiabilitiesCurrent us-gaap:BalanceSheetLocation, us-gaap:LongtermDebtType

us-gaap:OtherCurrentLiabilities, exas:TaxIncrementFinancingLoanAgreements


Other
Period End2020-09-302020-06-302019-12-31
Value0.31.12.7
Percentage of OtherLiabilitiesCurrent0.92.731.9
Percentage of Assets0.00.00.1
Percentage of Assets us-gaap:OtherCurrentLiabilities exas:TaxIncrementFinancingLoanAgreements0.00.00.0

Long Term Debt

us-gaap:LongTermDebt

us-gaap:LongTermDebt


Long
Period End2020-12-312018-12-31
Value2324
Percentage of LongTermDebt100.0100.0
Percentage of Assets0.51.6

Deferred Income Tax Liabilities Net

us-gaap:DeferredIncomeTaxLiabilitiesNet us-gaap:CumulativeEffectPeriodOfAdoption

us-gaap:DeferredIncomeTaxLiabilitiesNet

srt:CumulativeEffectPeriodOfAdoptionAdjustment


Deferred
Period End2020-12-312019-12-31
Value-10200000.0-8500000.0
Percentage of DeferredIncomeTaxLiabilitiesNet100.0100.0
Percentage of Assets-0.2-0.2
Percentage of Assets srt:CumulativeEffectPeriodOfAdoptionAdjustment0.00.0

Other Liabilities Noncurrent

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OtherLiabilitiesNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value439414616250473429296.8219.475126.5015.6435.6335.6115.6845.685.7345.3085.0544.8934.8044.4554.623.5413.599
Percentage of OtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.56.21.31.41.11.11.01.71.70.40.60.80.40.40.91.01.01.61.51.31.81.51.31.11.81.31.2

us-gaap:OtherLiabilitiesNoncurrent us-gaap:CumulativeEffectPeriodOfAdoption

srt:CumulativeEffectPeriodOfAdoptionAdjustment


Other
Period End2020-12-31
Value-10.2
Percentage of OtherLiabilitiesNoncurrent-16.6
Percentage of Assets-0.2
Percentage of Assets srt:CumulativeEffectPeriodOfAdoptionAdjustment0.0

Operating Lease Liability Noncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312019-01-01
Value16415712112412611811816161717
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.42.32.52.82.82.73.40.90.91.00.0

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2020-12-31
Value19
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0
Percentage of Assets0.4

Lessee Operating Lease Liability Payments Due Year Three

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree


Lessee
Period End2020-12-31
Value21
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0
Percentage of Assets0.4

Lessee Operating Lease Liability Payments Due Year Four

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour


Lessee
Period End2020-12-31
Value21
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0
Percentage of Assets0.4

Lessee Operating Lease Liability Payments Due Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive


Lessee
Period End2020-12-31
Value19
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive100.0
Percentage of Assets0.4

Lessee Operating Lease Liability Payments Due After Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive


Lessee
Period End2020-12-31
Value79
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive100.0
Percentage of Assets1.6

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312019-01-01
Value18017213213413612712619202020
Percentage of OperatingLeaseLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.72.62.73.13.12.83.61.11.21.10.0

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2020-12-31
Value180
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0
Percentage of Assets3.7

Lessee Operating Lease Liability Undiscounted Excess Amount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount


Lessee
Period End2020-12-31
Value47
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0
Percentage of Assets1.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-312009-12-312008-12-31
Value3559364828232337251125372288748765776680716744687520527540309335362249288326361224258288215242121135145153899811064758364796.094-2.433
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets52.954.257.353.756.256.965.342.543.043.944.747.550.254.786.989.892.888.488.989.986.489.089.791.788.992.692.791.794.990.892.393.394.189.187.989.684.286.286.182.382.60.00.0

us-gaap:StockholdersEquity us-gaap:CumulativeEffectPeriodOfAdoption, us-gaap:StatementEquityComponents

srt:CumulativeEffectPeriodOfAdoptionAdjustment, us-gaap:AdditionalPaidInCapital


Stockholders
Period End2020-12-312019-12-312018-12-31
Value-510.3-227.8-260.2
Percentage of StockholdersEquity-18.1-10.0-38.2
Percentage of Assets-10.4-6.5-17.1
Percentage of Assets srt:CumulativeEffectPeriodOfAdoptionAdjustment us-gaap:AdditionalPaidInCapital0.00.00.0

srt:CumulativeEffectPeriodOfAdoptionAdjustment, us-gaap:RetainedEarnings


Stockholders
Period End2020-12-312019-12-312018-12-31
Value-77.7-102.626
Percentage of StockholdersEquity-2.8-4.53.9
Percentage of Assets-1.6-2.91.7
Percentage of Assets srt:CumulativeEffectPeriodOfAdoptionAdjustment us-gaap:RetainedEarnings0.00.00.0

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-31
Value0.0670.3640.5261.0841.489-1.717-0.075-0.3071.7470.259-1.397-0.689-0.214
Percentage of StockholdersEquity0.00.00.00.00.1-0.1-0.0-0.00.20.0-0.2-0.1-0.1
Percentage of Assets0.00.00.00.00.0-0.0-0.0-0.00.10.0-0.1-0.1-0.1
Percentage of Assets us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value0.0670.3640.5261.0841.489-1.717-0.1-0.361.760.354-1.422-1.406-1.878-2.336-0.75-0.418-0.433-0.1150.1250.078-0.0140.001-0.001
Percentage of StockholdersEquity0.00.00.00.00.1-0.1-0.0-0.00.20.0-0.2-0.2-0.3-0.3-0.1-0.1-0.1-0.00.10.1-0.00.0-0.0
Percentage of Assets0.00.00.00.00.0-0.0-0.0-0.00.10.0-0.1-0.1-0.1-0.2-0.1-0.1-0.1-0.00.10.1-0.00.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value5811572347893865381937633406194519191894171616981681158813801080904709455372304272187169
Percentage of StockholdersEquity163.3156.9169.6165.4152.1148.3148.9259.9250.8243.8252.1237.0225.9231.2265.3322.2276.9245.3336.4377.4365.0341.53074.1-6981.3
Percentage of Assets86.485.097.388.885.584.497.2110.6107.7107.0112.7112.5113.4126.4230.6286.6248.4227.5310.5331.9314.3282.20.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value1.721.7141.5951.5051.5011.4951.4771.2991.2951.2921.2321.2291.2261.2191.2051.1020.9680.8870.7110.6390.5660.5220.3550.275
Percentage of StockholdersEquity0.00.00.10.10.10.10.10.20.20.20.20.20.20.20.20.30.30.30.50.60.70.75.8-11.3
Percentage of Assets0.00.00.00.00.00.00.00.10.10.10.10.10.10.10.20.30.30.30.50.60.60.50.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value-2253.972-2077.06-1968.289-1531.479-1311.595-1225.453-1119.756-1197.701-1157.242-1118.822-1035.763-981.789-936.425-900.038-860.614-745.821-578.61-420.807-320.759-274.245-221.824-193.149-181.593-172.465
Percentage of StockholdersEquity-63.3-56.9-69.7-65.5-52.2-48.3-48.9-160.1-151.2-144.0-152.1-137.0-125.8-131.0-165.4-222.4-177.0-145.6-237.0-278.2-265.7-242.2-2979.97088.6
Percentage of Assets-33.5-30.8-40.0-35.2-29.4-27.5-31.9-68.1-64.9-63.2-68.0-65.0-63.2-71.6-143.8-197.8-158.8-135.0-218.8-244.6-228.8-200.10.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value1720000.01714000.01595000.01505000.01501000.01495000.01477000.01299000.01295000.01292000.01232000.01229000.01226000.01219000.01205000.01196000.01190000.01112000.01102000.01084000.0983000.0978000.0968000.0964000.0891000.0889000.0887000.0832000.0829000.0713000.0711000.0709000.0707000.0641000.0639000.0638000.0573000.0571000.0566000.0529000.0525000.0522000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.10.10.10.10.10.10.10.20.20.20.30.30.30.30.30.30.20.40.30.30.40.30.50.50.50.40.60.60.50.80.60.60.70.60.5

Additional Paid In Capital Common Stock

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:AdditionalPaidInCapitalCommonStock


Additional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value58115723478938653819376334061945191918941716169816811588138013651351109010801070919913904898719713709602598457455452450373372370310307304276274272
Percentage of AdditionalPaidInCapitalCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets86.485.097.388.885.584.497.2110.6107.7107.0112.7112.5113.4126.4230.6232.5232.0311.2286.6265.4318.6282.1248.4228.1284.4256.0227.5256.8233.9341.3310.5291.2275.9373.6331.9299.9408.4349.7314.3351.7321.1282.2

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value-2254000000.0-2077100000.0-1968300000.0-1531500000.0-1311600000.0-1225500000.0-1119800000.0-1197700000.0-1157200000.0-1118800000.0-1035800000.0-981790000.0-936420000.0-900040000.0-860610000.0-838850000.0-811950000.0-781160000.0-745820000.0-708650000.0-670850000.0-626080000.0-578610000.0-538620000.0-495670000.0-456610000.0-420810000.0-388360000.0-356300000.0-336870000.0-320760000.0-308570000.0-297410000.0-285100000.0-274240000.0-260260000.0-247300000.0-232470000.0-221820000.0-211920000.0-204150000.0-193150000.0
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-33.5-30.8-40.0-35.2-29.4-27.5-31.9-68.1-64.9-63.2-68.0-65.0-63.2-71.6-143.8-142.9-139.4-223.0-197.8-175.8-232.5-193.4-158.8-136.7-195.9-163.8-135.0-165.5-139.3-251.2-218.8-198.4-182.2-285.1-244.6-210.8-325.1-264.2-228.8-270.0-238.8-200.1

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value67000.0364000.0526000.01084000.01489000.0-1717000.0-100000.0-360000.01760000.0354000.0-1422000.0-1406000.0-1878000.0-2336000.0-750000.0-314000.0-379000.0-431000.0-418000.0-187000.0-17000.0-17000.0-433000.0155000.0-11000.070000.0-115000.0-6000.089000.0133000.0125000.0118000.017000.071000.078000.092000.053000.021000.0-14000.0-50000.0-12000.01000.0
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.0-0.0-0.0-0.00.10.0-0.1-0.1-0.1-0.2-0.1-0.1-0.1-0.1-0.1-0.0-0.0-0.0-0.10.0-0.00.0-0.0-0.00.00.10.10.10.00.10.10.10.10.0-0.0-0.1-0.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value40-77.22711181-6.87-49.827-28.684-29.0817-74.407-1.236-4.053-25.514-38.522-0.764-5.45-31.872-33.638-27.129-24.966
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.3-19.223.920.0-2.6-14.3-9.7-13.38.6-45.9-0.9-3.4-24.8-42.7-0.9-7.5-55.3-69.6-77.0-88.8

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value-793.767-317.512-306.63816-6.38-405.847-834.774857-102.672-41.069-9.417-78.988-130.778-562.73124-126.596-82.791239.29-105.28
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-182.6-79.0-65.84.1-2.4-116.7-282.4391.9-51.4-25.3-6.6-66.8-127.1-623.228.2-174.4-143.649.526.4-374.5

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value137.2458794.158169796.6240.985.4512409.354192336722.7182.462550.0033.366144
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.11.8188.71.06.0281.62.20.42.7148.26.516.1226.7744.73.13.4443.70.09.6514.7

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value-740.088-387.4946841022.874523-856.806829-80.142124-1.275-63.957
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-170.2-96.4146.825.21.1150.6-289.9379.0-40.177.0-0.9-54.1

Amortization Of Financing Costs

us-gaap:AmortizationOfFinancingCosts

us-gaap:AmortizationOfFinancingCosts


Amortization
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value1.4281.1231.1231.1390.8220.6720.6580.6450.6850.6760.6770.5170.4020.0140.0140.0120.0140.0120.0140.0130.0130.011
Percentage of AmortizationOfFinancingCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Income Tax Expense Benefit

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:DeferredIncomeTaxExpenseBenefit


Deferred
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value-1379000.0-243130000.0-4754000.0-1304000.0-1918000.0643000.0-464000.0-520000.0
Percentage of DeferredIncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0

Depreciation Depletion And Amortization

us-gaap:DepreciationDepletionAndAmortization

us-gaap:DepreciationDepletionAndAmortization


Depreciation
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value21201917168.3517.0756.3245.5414.5274.2812.4732.1882.0351.791.5871.4460.920.6880.6560.4420.33
Percentage of DepreciationDepletionAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Accounts Payable

us-gaap:IncreaseDecreaseInAccountsPayable

us-gaap:IncreaseDecreaseInAccountsPayable


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value43-15.8626239-29.291-18.29612-0.7382.344-10.589-5.27121-1.282-3.8617.3616.4951.3460.181-1.625-0.80.294-0.4671.8050.158-0.656-0.646-1.9884.278-0.9740.570.156-0.479-0.997-1.5712.6220.263-0.1820.184-0.212-0.1090.266-0.2080.649-0.182
Percentage of IncreaseDecreaseInAccountsPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Accounts Receivable

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:IncreaseDecreaseInAccountsReceivable


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-31.945222642246.322-8.933186.718111.7955.6481.6938.1561.8661.5986.3777.6880.6630.4221.820.6880.7242.0580.570.205
Percentage of IncreaseDecreaseInAccountsReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Inventories

us-gaap:IncreaseDecreaseInInventories

us-gaap:IncreaseDecreaseInInventories


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value-1.035-3.23211-1.788127.4694.5165.8923.5125.1210.1393.2083.0296.3537.9635.6544.5511.026-0.833-0.7380.2471.480.645-0.2430.8521.4061.298
Percentage of IncreaseDecreaseInInventories100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Other Operating Capital Net

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1.127-1.033-6.7678.46-52.8579.438-1.45-4.5382.849.08
Percentage of IncreaseDecreaseInOtherOperatingCapitalNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value40-77.22711181-6.87-49.827-28.684-29.0817-74.407-1.236-4.053-25.514-38.522-0.764-5.45-31.872-33.638-27.129-24.966
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.3-19.223.920.0-2.6-14.3-9.7-13.38.6-45.9-0.9-3.4-24.8-42.7-0.9-7.5-55.3-69.6-77.0-88.8

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value-176.912-31.164-436.81-219.884-86.142-105.69777-40.459-38.42-83.059-53.974-45.364-36.387-39.424-21.764-26.897-30.79-34.946-37.17-37.803-44.765-47.473
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-40.7-7.8-93.7-53.8-32.0-30.426.4-18.5-19.2-51.3-37.7-38.3-35.4-43.7-24.9-37.1-53.4-72.3-105.5-134.5-211.3-320.0

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-176.912-31.164-219.884-86.142-105.697-40.459-38.42-83.059-45.364-36.387-39.424
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-40.7-7.8-53.8-32.0-30.4-18.5-19.2-51.3-38.3-35.4-43.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.0

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312011-06-302010-06-30
Value-176.912-31.164-436.81-219.884-86.142-105.69777-40.459-38.42-83.059-53.974-45.364-36.387-39.424-21.764-26.897-30.79-34.946-37.17-6.625-2.477
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-40.7-7.8-93.7-53.8-32.0-30.426.4-18.5-19.2-51.3-37.7-38.3-35.4-43.7-24.9-37.1-53.4-72.3-105.5-635.8-188.5

Share Based Compensation

us-gaap:ShareBasedCompensation

us-gaap:ShareBasedCompensation


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value567741414029472420161516151212106.0956.1296.9596.1664.5076.14.9024.984.5483.622.8774.1652.4831.9952.0841.82.80.9551.4691.51.51.0351.41.1011.0680.6860.5740.64
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensation us-gaap:BusinessAcquisition

exas:ThriveEarlierDetectionCorporation


Share
Period End2021-06-302021-03-31
Value1.013
Percentage of ShareBasedCompensation1.817.5

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value-793.767-317.512-306.63816-6.38-405.847-834.774857-102.672-41.069-9.417-78.988-130.778-562.73124-126.596-82.791239.29-105.28
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-182.6-79.0-65.84.1-2.4-116.7-282.4391.9-51.4-25.3-6.6-66.8-127.1-623.228.2-174.4-143.649.526.4-374.5

Payments To Acquire Property Plant And Equipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value241216142012405168105253291524155.9032.7452.6855.7514.0262.3892.5446.7987.5353.2073.0152.3262.4334.7634.8692.6871.350.3760.095-0.1430.5340.1950.5160.8880.4660.2450.1240.118
Percentage of PaymentsToAcquirePropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Payments To Acquire Productive Assets

us-gaap:PaymentsToAcquireProductiveAssets exas:AssetAcquisition

us-gaap:PaymentsToAcquireProductiveAssets

exas:TARDISTechnology


Payments
Period End2021-01-11
Value25
Percentage of PaymentsToAcquireProductiveAssets100.0

us-gaap:PaymentsToAcquireProductiveAssets us-gaap:AssetAcquisition

exas:TARDISTechnology


Payments
Period End2021-01-11
Value25
Percentage of PaymentsToAcquireProductiveAssets100.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value137.2458794.158169796.6240.985.4512409.354192336722.7182.462550.0033.366144
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.11.8188.71.06.0281.62.20.42.7148.26.516.1226.7744.73.13.4443.70.09.6514.7

Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice


Share
Period End2020-12-312019-12-312018-12-312016-12-31
Value39.6734.0117.867.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice us-gaap:PlanName

exas:StockBasedCompensationPlans


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value33.232.5739.6741.4541.0141.2334.0125.123.8423.6817.86
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice0.00.0100.00.00.00.0100.00.00.00.0100.0

Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod

us-gaap:PerformanceShares


Share
Period End2021-03-31
Value229620.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod100.0

Deferred Tax Liabilities

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxLiabilities


Deferred
Period End2021-06-302021-03-312020-12-312019-12-312018-12-312017-12-31
Value37381920620.33
Percentage of DeferredTaxLiabilities100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Net

us-gaap:DeferredTaxAssetsNet

us-gaap:DeferredTaxAssetsNet


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value363371620.33
Percentage of DeferredTaxAssetsNet100.0100.0100.0100.0

Unrecognized Tax Benefits

us-gaap:UnrecognizedTaxBenefits

us-gaap:UnrecognizedTaxBenefits


Unrecognized
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value181716141110101.9260.00.00.00.00.00.00.0
Percentage of UnrecognizedTaxBenefits100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.00.00.0

Deferred Tax Assets Valuation Allowance

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:DeferredTaxAssetsValuationAllowance


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value15712020923327721516112410384
Percentage of DeferredTaxAssetsValuationAllowance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsValuationAllowance us-gaap:CumulativeEffectPeriodOfAdoption

srt:CumulativeEffectPeriodOfAdoptionAdjustment


Deferred
Period End2020-12-312019-12-312018-12-31
Value1357455
Percentage of DeferredTaxAssetsValuationAllowance86.261.926.5

exas:AmortizationDeferredAmortizationOfDeferredFinancingCostsDebtDiscountsPremiumsAndIssuanceCostsOtherLiabilities

exas:AmortizationDeferredAmortizationOfDeferredFinancingCostsDebtDiscountsPremiumsAndIssuanceCostsOtherLiabilities


Amortization
Period End2021-06-302021-03-312020-06-302020-03-31
Value1649000.01633000.032000.0-64000.0
Percentage of AmortizationDeferredAmortizationOfDeferredFinancingCostsDebtDiscountsPremiumsAndIssuanceCostsOtherLiabilities100.0100.0100.0100.0

exas:AmortizationOfDeferredFinancingCostsCreditsAndOtherLiabilities

exas:AmortizationOfDeferredFinancingCostsCreditsAndOtherLiabilities


Amortization
Period End2020-09-302019-09-30
Value-1109000.0-1574000.0
Percentage of AmortizationOfDeferredFinancingCostsCreditsAndOtherLiabilities100.0100.0

exas:AmortizationOfIntangibleAssetsIncludingPurchaseAccountingTransactions

exas:AmortizationOfIntangibleAssetsIncludingPurchaseAccountingTransactions


Amortization
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value20202020110.4240.4240.425
Percentage of AmortizationOfIntangibleAssetsIncludingPurchaseAccountingTransactions100.0100.0100.0100.0100.0100.0100.0100.0

exas:AmortizationOfRefundableTaxCredits us-gaap:TypeOfArrangement

exas:AmortizationOfRefundableTaxCredits

exas:WisconsinEconomicDevelopmentTaxCreditAgreement


Amortization
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-30
Value500000.0600000.0600000.0600000.0600000.0600000.0600000.0600000.0600000.0600000.0400000.0400000.0300000.0300000.0300000.0200000.0152000.0100000.072600.040500.0
Percentage of AmortizationOfRefundableTaxCredits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

exas:AssetAcquisitionConsiderationTransferred exas:AssetAcquisition

exas:AssetAcquisitionConsiderationTransferred

exas:TARDISTechnology


Asset
Period End2021-01-11
Value52
Percentage of AssetAcquisitionConsiderationTransferred100.0

exas:AssetAcquisitionConsiderationTransferredEquityInterestIssuedAndIssuable exas:AssetAcquisition

exas:AssetAcquisitionConsiderationTransferredEquityInterestIssuedAndIssuable

exas:TARDISTechnology


Asset
Period End2021-01-11
Value27
Percentage of AssetAcquisitionConsiderationTransferredEquityInterestIssuedAndIssuable100.0

exas:AssetAcquisitionConsiderationTransferredEquityInterestIssuedAndIssuableShares exas:AssetAcquisition

exas:AssetAcquisitionConsiderationTransferredEquityInterestIssuedAndIssuableShares

exas:TARDISTechnology


Asset
Period End2021-01-11
Value200000.0
Percentage of AssetAcquisitionConsiderationTransferredEquityInterestIssuedAndIssuableShares100.0

exas:AssetAcquisitionConsiderationTransferredEquityInterestIssuedAndIssuableShares us-gaap:AssetAcquisition

exas:TARDISTechnology


Asset
Period End2021-01-11
Value200000.0
Percentage of AssetAcquisitionConsiderationTransferredEquityInterestIssuedAndIssuableShares100.0

exas:AssetAcquisitionPaymentsToAcquireProductiveAssetNet

exas:AssetAcquisitionPaymentsToAcquireProductiveAssetNet


Asset
Period End2020-10-26
Value421
Percentage of AssetAcquisitionPaymentsToAcquireProductiveAssetNet100.0

exas:AssetAcquisitionTransactionCostsIncurred

exas:AssetAcquisitionTransactionCostsIncurred


Asset
Period End2020-10-26
Value4600000.0
Percentage of AssetAcquisitionTransactionCostsIncurred100.0

exas:BusinessAcquisitionProFormaIncomeLossBeforeTax us-gaap:BusinessAcquisition

exas:BusinessAcquisitionProFormaIncomeLossBeforeTax

exas:ThriveEarlierDetectionCorporation


Business
Period End2021-06-302021-03-312020-06-302020-03-31
Value-172890000.0-192570000.0-91376000.0-230360000.0
Percentage of BusinessAcquisitionProFormaIncomeLossBeforeTax100.0100.0100.0100.0

exas:BusinessCombinationContingentConsiderationArrangementsIncreaseDueToAcquisition

exas:BusinessCombinationContingentConsiderationArrangementsIncreaseDueToAcquisition


Business
Period End2021-06-302021-03-31
Value19331
Percentage of BusinessCombinationContingentConsiderationArrangementsIncreaseDueToAcquisition100.0100.0

exas:BusinessCombinationContingentConsiderationGainLossChangeInFairValue

exas:BusinessCombinationContingentConsiderationGainLossChangeInFairValue


Business
Period End2021-06-302021-03-31
Value-6322000.0-2879000.0
Percentage of BusinessCombinationContingentConsiderationGainLossChangeInFairValue100.0100.0

exas:BusinessCombinationFairValueOfReplacedEquityAwards us-gaap:BusinessAcquisition

exas:BusinessCombinationFairValueOfReplacedEquityAwards

exas:ThriveEarlierDetectionCorporation


Business
Period End2021-01-05
Value52
Percentage of BusinessCombinationFairValueOfReplacedEquityAwards100.0

exas:BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentGoodwill us-gaap:BusinessAcquisition

exas:BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentGoodwill

exas:ParadigmViomics


Business
Period End2021-03-03
Value0
Percentage of BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentGoodwill0.0

exas:BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentOperatingAssets us-gaap:BusinessAcquisition

exas:BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentOperatingAssets

exas:ParadigmViomics


Business
Period End2021-03-03
Value0
Percentage of BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentOperatingAssets0.0

exas:BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentOperatingLiabilities us-gaap:BusinessAcquisition

exas:BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentOperatingLiabilities

exas:ParadigmViomics


Business
Period End2021-03-03
Value0
Percentage of BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentOperatingLiabilities0.0

exas:CollaborativeArrangementsSalesMilestoneAmount exas:AssetAcquisition, exas:CollaborativeArrangementsSalesMilestone

exas:CollaborativeArrangementsSalesMilestoneAmount

exas:TARDISTechnology, exas:SalesMilestoneRangeOne


Collaborative
Period End2021-01-31
Value100
Percentage of CollaborativeArrangementsSalesMilestoneAmount100.0

exas:TARDISTechnology, exas:SalesMilestoneRangeTwo


Collaborative
Period End2021-01-31
Value250
Percentage of CollaborativeArrangementsSalesMilestoneAmount250.0

exas:CollaborativeArrangementsSalesMilestoneAmount exas:CollaborativeArrangementsSalesMilestone, us-gaap:AssetAcquisition

exas:SalesMilestoneRangeOne, exas:TARDISTechnology


Collaborative
Period End2021-01-31
Value100
Percentage of CollaborativeArrangementsSalesMilestoneAmount100.0

exas:SalesMilestoneRangeTwo, exas:TARDISTechnology


Collaborative
Period End2021-01-31
Value250
Percentage of CollaborativeArrangementsSalesMilestoneAmount250.0

exas:CollaborativeArrangementsSalesMilestoneAmount exas:CollaborativeArrangementsSalesMilestone, us-gaap:CounterpartyName, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:SubsequentEventType, us-gaap:TypeOfArrangement

exas:SalesMilestoneRangeOne, exas:ThriveEarlierDetectionCorporation, exas:JohnHopkinsLicenseAgreement, us-gaap:SubsequentEvent, us-gaap:LicensingAgreements


Collaborative
Period End2021-01-05
Value500
Percentage of CollaborativeArrangementsSalesMilestoneAmount0.0

exas:SalesMilestoneRangeThree, exas:ThriveEarlierDetectionCorporation, exas:JohnHopkinsLicenseAgreement, us-gaap:SubsequentEvent, us-gaap:LicensingAgreements


Collaborative
Period End2021-01-05
Value1500
Percentage of CollaborativeArrangementsSalesMilestoneAmount0.0

exas:SalesMilestoneRangeTwo, exas:ThriveEarlierDetectionCorporation, exas:JohnHopkinsLicenseAgreement, us-gaap:SubsequentEvent, us-gaap:LicensingAgreements


Collaborative
Period End2021-01-05
Value1000
Percentage of CollaborativeArrangementsSalesMilestoneAmount0.0

exas:CollaborativeArrangementsSalesMilestoneAmount exas:CollaborativeArrangementsSalesMilestone, us-gaap:CounterpartyName, us-gaap:TypeOfArrangement

exas:SalesMilestoneRangeOne, exas:ThriveEarlierDetectionCorporation, us-gaap:LicensingAgreements


Collaborative
Period End2021-01-05
Value500
Percentage of CollaborativeArrangementsSalesMilestoneAmount0.0

exas:SalesMilestoneRangeThree, exas:ThriveEarlierDetectionCorporation, us-gaap:LicensingAgreements


Collaborative
Period End2021-01-05
Value1500
Percentage of CollaborativeArrangementsSalesMilestoneAmount0.0

exas:SalesMilestoneRangeTwo, exas:ThriveEarlierDetectionCorporation, us-gaap:LicensingAgreements


Collaborative
Period End2021-01-05
Value1000
Percentage of CollaborativeArrangementsSalesMilestoneAmount0.0

exas:CollaborativeArrangementsSalesMilestoneAmount exas:CollaborativeArrangementsSalesMilestone, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:SubsequentEventType, us-gaap:TypeOfArrangement

exas:SalesMilestoneRangeOne, exas:TranslationalGenomicsResearchInstitute, us-gaap:SubsequentEvent, us-gaap:LicensingAgreements


Collaborative
Period End2021-01-11
Value100
Percentage of CollaborativeArrangementsSalesMilestoneAmount0.0

exas:SalesMilestoneRangeTwo, exas:TranslationalGenomicsResearchInstitute, us-gaap:SubsequentEvent, us-gaap:LicensingAgreements


Collaborative
Period End2021-01-11
Value250
Percentage of CollaborativeArrangementsSalesMilestoneAmount0.0

exas:CollaborativeArrangementsSalesMilestoneAmount us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:SubsequentEventType, us-gaap:TypeOfArrangement

exas:AshionAnalytics, us-gaap:SubsequentEvent, us-gaap:LicensingAgreements


Collaborative
Period End2021-02-12
Value500
Percentage of CollaborativeArrangementsSalesMilestoneAmount0.0

exas:ComprehensiveIncomeLossBeforeTax

exas:ComprehensiveIncomeLossBeforeTax


Comprehensive
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-177210000.0-31496000.0-220290000.0-82936000.0-107310000.0-43222000.0-36550000.0-80763000.0-44892000.0-35929000.0-41010000.0
Percentage of ComprehensiveIncomeLossBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

exas:CouponInterestExpense

exas:CouponInterestExpense


Coupon
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value2566000.02567000.02566000.02567000.02567000.01932000.01740000.01739000.01739000.02108000.02310000.02242000.01866000.0
Percentage of CouponInterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

exas:DebtInstrumentConvertibleEquityComponentConsiderationSettled

exas:DebtInstrumentConvertibleEquityComponentConsiderationSettled


Debt
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1280.00.0-64.1990.00.00.0-300.768
Percentage of DebtInstrumentConvertibleEquityComponentConsiderationSettled100.00.00.0100.00.00.00.0100.0

exas:DebtInstrumentConvertibleTransactionCosts us-gaap:DebtInstrument

exas:DebtInstrumentConvertibleTransactionCosts

exas:ConvertibleNotesPayable2027


Debt
Period End2021-06-302021-03-312019-03-08
Value0.01418
Percentage of DebtInstrumentConvertibleTransactionCosts0.0100.0100.0

exas:ConvertibleNotesPayable2028


Debt
Period End2021-06-302021-03-312020-02-29
Value0.02424
Percentage of DebtInstrumentConvertibleTransactionCosts0.0171.20.0

exas:January2025Notes


Debt
Period End2021-06-302021-03-312018-01-17
Value0.01018
Percentage of DebtInstrumentConvertibleTransactionCosts0.072.00.0

exas:June2025Notes


Debt
Period End2021-06-302021-03-312018-06-12
Value0.07.3637.363
Percentage of DebtInstrumentConvertibleTransactionCosts0.051.50.0

exas:EmployeeStockPurchasePlanWeightedAveragePrice exas:OfferingPeriodEndDate, us-gaap:PlanName

exas:EmployeeStockPurchasePlanWeightedAveragePrice

exas:OfferingPeriodEndDateTwo, exas:EmployeeStockPurchasePlan2010


Employee
Period End2020-11-02
Value64.35
Percentage of EmployeeStockPurchasePlanWeightedAveragePrice100.0

exas:IncreaseDecreaseInAmortizationOfPremiumOnShortTermInvestments

exas:IncreaseDecreaseInAmortizationOfPremiumOnShortTermInvestments


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value1177000.0439000.0509000.0537000.0450000.053000.0-213000.0-309000.0-1274000.0-1306000.0-1320000.0-1189000.0-877000.0-515000.09000.0-1000.020000.037000.0
Percentage of IncreaseDecreaseInAmortizationOfPremiumOnShortTermInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

exas:IncreaseDecreaseInOperatingLeaseLiabilities

exas:IncreaseDecreaseInOperatingLeaseLiabilities


Increase
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value-3975000.0-3120000.0-1138000.0-2787000.0-2210000.0-1021000.03114000.0-4721000.0
Percentage of IncreaseDecreaseInOperatingLeaseLiabilities100.0100.0100.0100.0100.0100.0100.0100.0

exas:IssuanceOfStockToFundMatchingContributions

exas:IssuanceOfStockToFundMatchingContributions


Issuance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value0.0220.00.00.0120.00.00.07.4090.00.00.0034.30.00.00.03.0080.00.00.0052.1460.0010.0
Percentage of IssuanceOfStockToFundMatchingContributions0.0100.00.00.00.0100.00.00.00.0100.00.00.0100.0100.00.00.00.0100.00.00.0100.0100.0100.00.0

exas:NumberOfJobsRequiredToCreatedAndMaintained us-gaap:LongtermDebtType

exas:NumberOfJobsRequiredToCreatedAndMaintained

exas:TaxIncrementFinancingLoanAgreements


Number
Period End2021-06-302021-03-31
Value0500.0
Percentage of NumberOfJobsRequiredToCreatedAndMaintained0.0100.0

exas:PaymentForEarlyContractTermination us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:TypeOfArrangement

exas:PaymentForEarlyContractTermination

exas:BiocartisNV, us-gaap:LicensingAgreements


Payment
Period End2020-10-31
Value12
Percentage of PaymentForEarlyContractTermination100.0

exas:PaymentsContingentOnMilestones exas:CollaborativeArrangementsSalesMilestone, us-gaap:CounterpartyName, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:SubsequentEventType, us-gaap:TypeOfArrangement

exas:PaymentsContingentOnMilestones

exas:SalesMilestoneRangeOne, exas:ThriveEarlierDetectionCorporation, exas:JohnHopkinsLicenseAgreement, us-gaap:SubsequentEvent, us-gaap:LicensingAgreements


Payments
Period End2021-01-05
Value10.0
Percentage of PaymentsContingentOnMilestones100.0

exas:SalesMilestoneRangeThree, exas:ThriveEarlierDetectionCorporation, exas:JohnHopkinsLicenseAgreement, us-gaap:SubsequentEvent, us-gaap:LicensingAgreements


Payments
Period End2021-01-05
Value20
Percentage of PaymentsContingentOnMilestones200.0

exas:SalesMilestoneRangeTwo, exas:ThriveEarlierDetectionCorporation, exas:JohnHopkinsLicenseAgreement, us-gaap:SubsequentEvent, us-gaap:LicensingAgreements


Payments
Period End2021-01-05
Value15
Percentage of PaymentsContingentOnMilestones150.0

exas:PaymentsContingentOnMilestones exas:CollaborativeArrangementsSalesMilestone, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

exas:ExpansionOfCollaborationToOncology, exas:BiocartisNV


Payments
Period End2020-09-30
Value0.0
Percentage of PaymentsContingentOnMilestones0.0

exas:SalesMilestoneRangeOne, exas:BiocartisNV


Payments
Period End2020-09-30
Value0.0
Percentage of PaymentsContingentOnMilestones0.0

exas:PaymentsContingentOnMilestones exas:CollaborativeArrangementsSalesMilestone, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:SubsequentEventType, us-gaap:TypeOfArrangement

exas:SalesMilestoneRangeOne, exas:AshionAnalytics, us-gaap:SubsequentEvent, us-gaap:LicensingAgreements


Payments
Period End2021-02-12
Value20
Percentage of PaymentsContingentOnMilestones0.0

exas:SalesMilestoneRangeOne, exas:TranslationalGenomicsResearchInstitute, us-gaap:SubsequentEvent, us-gaap:LicensingAgreements


Payments
Period End2021-01-11
Value10.0
Percentage of PaymentsContingentOnMilestones0.0

exas:SalesMilestoneRangeTwo, exas:AshionAnalytics, us-gaap:SubsequentEvent, us-gaap:LicensingAgreements


Payments
Period End2021-02-12
Value30
Percentage of PaymentsContingentOnMilestones0.0

exas:SalesMilestoneRangeTwo, exas:TranslationalGenomicsResearchInstitute, us-gaap:SubsequentEvent, us-gaap:LicensingAgreements


Payments
Period End2021-01-11
Value35
Percentage of PaymentsContingentOnMilestones0.0

exas:PaymentsToAcquireBusinessesAndAcceleratedVestingOfAwards us-gaap:BusinessAcquisition

exas:PaymentsToAcquireBusinessesAndAcceleratedVestingOfAwards

exas:ThriveEarlierDetectionCorporation


Payments
Period End2021-01-05
Value590
Percentage of PaymentsToAcquireBusinessesAndAcceleratedVestingOfAwards100.0

exas:PostCombinationExpenseForAccelerationOfUnvestedEquity

exas:PostCombinationExpenseForAccelerationOfUnvestedEquity


Post
Period End2021-06-302021-03-31
Value0.080
Percentage of PostCombinationExpenseForAccelerationOfUnvestedEquity0.0100.0

exas:ServiceFeeBasedOnIncrementalGrossProfitsOverSpecifiedBaselinesAndRoyalties dei:LegalEntity, us-gaap:TypeOfArrangement

exas:ServiceFeeBasedOnIncrementalGrossProfitsOverSpecifiedBaselinesAndRoyalties

exas:PfizerInc, us-gaap:ManufacturedProductOther


Service
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value242213182.11914161919
Percentage of ServiceFeeBasedOnIncrementalGrossProfitsOverSpecifiedBaselinesAndRoyalties100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

exas:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAssumedInPeriodThroughAcquisitionsWeightedAverageGrantDateFairValue us-gaap:AwardType

exas:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAssumedInPeriodThroughAcquisitionsWeightedAverageGrantDateFairValue

exas:RestrictedStockAwardsAndRestrictedStockUnitsRSU


Share
Period End2021-06-302021-03-31
Value0127.79
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAssumedInPeriodThroughAcquisitionsWeightedAverageGrantDateFairValue0.0100.0

exas:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsAssumedInPeriodThroughAcquisitionsWeightedAverageExercisePrice us-gaap:PlanName

exas:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsAssumedInPeriodThroughAcquisitionsWeightedAverageExercisePrice

exas:StockBasedCompensationPlans


Share
Period End2021-06-302021-03-31
Value05.51
Percentage of ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsAssumedInPeriodThroughAcquisitionsWeightedAverageExercisePrice0.0100.0

exas:StockIssuedToAcquireIntangibleAssetsValue us-gaap:SubsequentEventType

exas:StockIssuedToAcquireIntangibleAssetsValue

us-gaap:SubsequentEvent


Stock
Period End2021-01-11
Value27
Percentage of StockIssuedToAcquireIntangibleAssetsValue100.0

us-gaap:AmortizationOfDebtDiscountPremium

us-gaap:AmortizationOfDebtDiscountPremium


Amortization
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.037201918131010108.427.7327.7376.1714.543
Percentage of AmortizationOfDebtDiscountPremium100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AmortizationOfFinancingCostsAndDiscounts

us-gaap:AmortizationOfFinancingCostsAndDiscounts


Amortization
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value1.44921202014149.1739.4049.079107.778
Percentage of AmortizationOfFinancingCostsAndDiscounts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetAcquisitionConsiderationTransferred us-gaap:AssetAcquisition

us-gaap:AssetAcquisitionConsiderationTransferred

exas:TARDISTechnology


Asset
Period End2021-01-11
Value52
Percentage of AssetAcquisitionConsiderationTransferred100.0

us-gaap:AssetAcquisitionConsiderationTransferredEquityInterestIssuedAndIssuable us-gaap:AssetAcquisition

us-gaap:AssetAcquisitionConsiderationTransferredEquityInterestIssuedAndIssuable

exas:TARDISTechnology


Asset
Period End2021-01-11
Value27
Percentage of AssetAcquisitionConsiderationTransferredEquityInterestIssuedAndIssuable100.0

us-gaap:BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued us-gaap:BusinessAcquisition

us-gaap:BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued

exas:AshionAnalytics


Business
Period End2021-04-14
Value100000.0
Percentage of BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued100.0

exas:ThriveEarlierDetectionCorporation


Business
Period End2021-01-31
Value9300000.0
Percentage of BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued0.0

us-gaap:BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:SubsequentEventType, us-gaap:TypeOfArrangement

exas:AshionAnalytics, us-gaap:SubsequentEvent, us-gaap:LicensingAgreements


Business
Period End2021-02-12
Value125440.0
Percentage of BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued0.0

us-gaap:BusinessAcquisitionsProFormaRevenue us-gaap:BusinessAcquisition

us-gaap:BusinessAcquisitionsProFormaRevenue

exas:ThriveEarlierDetectionCorporation


Business
Period End2021-06-302021-03-312020-06-302020-03-31
Value434402268347
Percentage of BusinessAcquisitionsProFormaRevenue100.0100.0100.0100.0

us-gaap:BusinessCombinationAcquisitionRelatedCosts us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationAcquisitionRelatedCosts

exas:AshionAnalytics


Business
Period End2021-06-30
Value0.7
Percentage of BusinessCombinationAcquisitionRelatedCosts100.0

exas:ThriveEarlierDetectionCorporation


Business
Period End2021-03-31
Value10
Percentage of BusinessCombinationAcquisitionRelatedCosts0.0

us-gaap:BusinessCombinationConsiderationTransferred1 us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationConsiderationTransferred1

exas:AshionAnalytics


Business
Period End2021-04-14
Value110
Percentage of BusinessCombinationConsiderationTransferred1100.0

exas:PFSGenomics


Business
Period End2021-06-23
Value33
Percentage of BusinessCombinationConsiderationTransferred10.0

exas:ThriveEarlierDetectionCorporation


Business
Period End2021-01-05
Value2190
Percentage of BusinessCombinationConsiderationTransferred10.0

us-gaap:BusinessCombinationConsiderationTransferred1 us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType

exas:AshionAnalytics, us-gaap:SubsequentEvent


Business
Period End2021-04-14
Value89
Percentage of BusinessCombinationConsiderationTransferred181.3

us-gaap:BusinessCombinationConsiderationTransferred1 us-gaap:CounterpartyName, us-gaap:SubsequentEventType

exas:ThriveEarlierDetectionCorporation, us-gaap:SubsequentEvent


Business
Period End2021-01-05
Value1700
Percentage of BusinessCombinationConsiderationTransferred10.0

us-gaap:BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable

exas:AshionAnalytics


Business
Period End2021-04-14
Value16
Percentage of BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable100.0

exas:ParadigmViomics


Business
Period End2020-09-302020-06-302020-03-032020-03-31
Value3.725290298461914e-153.63228
Percentage of BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable0.00.00.00.0

exas:ThriveEarlierDetectionCorporation


Business
Period End2021-01-05
Value1175
Percentage of BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable0.0

us-gaap:BusinessCombinationConsiderationTransferredLiabilitiesIncurred us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationConsiderationTransferredLiabilitiesIncurred

exas:AshionAnalytics


Business
Period End2021-04-14
Value19
Percentage of BusinessCombinationConsiderationTransferredLiabilitiesIncurred100.0

exas:ThriveEarlierDetectionCorporation


Business
Period End2021-01-05
Value331
Percentage of BusinessCombinationConsiderationTransferredLiabilitiesIncurred0.0

us-gaap:BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1 us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1

exas:ThriveEarlierDetectionCorporation


Business
Period End2021-03-31
Value2900000.0
Percentage of BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1100.0

us-gaap:BusinessCombinationProFormaInformationEarningsOrLossOfAcquireeSinceAcquisitionDateActual us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationProFormaInformationEarningsOrLossOfAcquireeSinceAcquisitionDateActual

exas:ThriveEarlierDetectionCorporation


Business
Period End2021-06-302021-03-31
Value-37200000.0-142800000.0
Percentage of BusinessCombinationProFormaInformationEarningsOrLossOfAcquireeSinceAcquisitionDateActual100.0100.0

us-gaap:BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentsRelatedToPreviousPeriod us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentsRelatedToPreviousPeriod

exas:ParadigmViomics


Business
Period End2021-03-03
Value0
Percentage of BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentsRelatedToPreviousPeriod0.0

us-gaap:BusinessCombinationStepAcquisitionEquityInterestInAcquireeFairValue1 us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationStepAcquisitionEquityInterestInAcquireeFairValue1

exas:ThriveEarlierDetectionCorporation


Business
Period End2021-01-05
Value43
Percentage of BusinessCombinationStepAcquisitionEquityInterestInAcquireeFairValue1100.0

us-gaap:BusinessCombinationStepAcquisitionEquityInterestInAcquireeFairValue1 us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

exas:ThriveEarlierDetectionCorporation


Business
Period End2021-03-31
Value12
Percentage of BusinessCombinationStepAcquisitionEquityInterestInAcquireeFairValue10.0

us-gaap:BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGain

us-gaap:BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGain


Business
Period End2021-06-302021-03-31
Value0.030
Percentage of BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGain0.0100.0

us-gaap:BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGain us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:IncomeStatementLocation

exas:ThriveEarlierDetectionCorporation, us-gaap:InvestmentIncome


Business
Period End2021-03-31
Value30
Percentage of BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGain100.0

us-gaap:ContractWithCustomerLiabilityCumulativeCatchUpAdjustmentToRevenueChangeInEstimateOfTransactionPrice us-gaap:ContractWithCustomerBasisOfPricing

us-gaap:ContractWithCustomerLiabilityCumulativeCatchUpAdjustmentToRevenueChangeInEstimateOfTransactionPrice

exas:VariablePriceContract


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-14.71.70.50.53.25.45.31.21.81.50.82.43.48.5
Percentage of ContractWithCustomerLiabilityCumulativeCatchUpAdjustmentToRevenueChangeInEstimateOfTransactionPrice100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerLiabilityRevenueRecognized

us-gaap:ContractWithCustomerLiabilityRevenueRecognized


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value10140.00.0050.0190.2-0.30.20.20.10.00.10.10.0560.00.0380.0440.0
Percentage of ContractWithCustomerLiabilityRevenueRecognized100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0100.00.0

us-gaap:ContractWithCustomerLiabilityRevenueRecognized us-gaap:UnusualOrInfrequentItem

exas:COVID19


Contract
Period End2021-06-302021-03-31
Value1013
Percentage of ContractWithCustomerLiabilityRevenueRecognized99.098.6

us-gaap:DebtInstrumentConvertibleConversionRatio1 us-gaap:DebtInstrument

us-gaap:DebtInstrumentConvertibleConversionRatio1

exas:ConvertibleNotesPayable2025


Debt
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value00.13260013.260013.257
Percentage of DebtInstrumentConvertibleConversionRatio10.0100.00.00.0100.00.00.0100.0

exas:ConvertibleNotesPayable2027


Debt
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value00.0896008.96008.9554
Percentage of DebtInstrumentConvertibleConversionRatio10.067.60.00.067.60.00.067.6

exas:ConvertibleNotesPayable2028


Debt
Period End2021-06-302021-03-312020-09-30
Value00.08210
Percentage of DebtInstrumentConvertibleConversionRatio10.061.90.0

us-gaap:DebtInstrumentConvertibleIfConvertedValueInExcessOfPrincipal us-gaap:DebtInstrument

us-gaap:DebtInstrumentConvertibleIfConvertedValueInExcessOfPrincipal

exas:ConvertibleNotesPayable2025


Debt
Period End2021-06-302021-03-31
Value-31.2235
Percentage of DebtInstrumentConvertibleIfConvertedValueInExcessOfPrincipal100.0100.0

exas:ConvertibleNotesPayable2027


Debt
Period End2021-06-302021-03-31
Value-50.0134
Percentage of DebtInstrumentConvertibleIfConvertedValueInExcessOfPrincipal160.357.2

exas:ConvertibleNotesPayable2028


Debt
Period End2021-06-302021-03-31
Value-70.593
Percentage of DebtInstrumentConvertibleIfConvertedValueInExcessOfPrincipal226.039.9

us-gaap:DebtInstrumentConvertibleNumberOfEquityInstruments us-gaap:DebtInstrument

us-gaap:DebtInstrumentConvertibleNumberOfEquityInstruments

exas:ConvertibleNotesPayable2025


Debt
Period End2021-06-302021-03-31
Value04200000.0
Percentage of DebtInstrumentConvertibleNumberOfEquityInstruments0.0100.0

exas:ConvertibleNotesPayable2027


Debt
Period End2021-06-302021-03-31
Value06700000.0
Percentage of DebtInstrumentConvertibleNumberOfEquityInstruments0.0159.5

exas:ConvertibleNotesPayable2028


Debt
Period End2021-06-302021-03-31
Value09400000.0
Percentage of DebtInstrumentConvertibleNumberOfEquityInstruments0.0223.8

us-gaap:DebtInstrumentInterestRateDuringPeriod us-gaap:DebtInstrument

us-gaap:DebtInstrumentInterestRateDuringPeriod

exas:ConvertibleNotesPayable2028


Debt
Period End2021-06-302020-06-30
Value0.640.63
Percentage of DebtInstrumentInterestRateDuringPeriod100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleRealizedGain

us-gaap:DebtSecuritiesAvailableForSaleRealizedGain


Debt
Period End2020-12-312020-09-302020-06-302019-12-312019-09-302019-06-30
Value01000.0200000.0100000.03100000.0200000.0
Percentage of DebtSecuritiesAvailableForSaleRealizedGain0.0100.0100.0100.0100.0100.0

us-gaap:Depreciation

us-gaap:Depreciation


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value212016191715128.47.16.36.25.54.54.30.6560.4420.330.3320.3140.3190.2490.2150.2020.1490.1170.0780.0670.0630.062
Percentage of Depreciation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EquitySecuritiesFvNiRealizedGainLoss

us-gaap:EquitySecuritiesFvNiRealizedGainLoss


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value2500000.016000.0-100000.033000.0400000.0700000.000
Percentage of EquitySecuritiesFvNiRealizedGainLoss100.0100.0100.0100.0100.0100.00.00.0

us-gaap:EquitySecuritiesFvNiUnrealizedGainLoss

us-gaap:EquitySecuritiesFvNiUnrealizedGainLoss


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value2479000.07000.0-4000.01516000.0336000.0-669000.000
Percentage of EquitySecuritiesFvNiUnrealizedGainLoss100.0100.0100.0100.0100.0100.00.00.0

us-gaap:FinanceLeaseInterestPaymentOnLiability

us-gaap:FinanceLeaseInterestPaymentOnLiability


Finance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value232000.0248000.0256000.098000.022000.05000.0
Percentage of FinanceLeaseInterestPaymentOnLiability100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeasePrincipalPayments

us-gaap:FinanceLeasePrincipalPayments


Finance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value1240000.01203000.01136000.0438000.0121000.061000.0
Percentage of FinanceLeasePrincipalPayments100.0100.0100.0100.0100.0100.0

us-gaap:GainLossOnSaleOfPropertyPlantEquipment

us-gaap:GainLossOnSaleOfPropertyPlantEquipment


Gain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value-302000.0-337000.0-1540000.0-280000.0-378000.0-272000.0-514000.0-669000.0-129000.0-82000.0500000.0-757000.02000.0-98000.0-653000.0-210000.0-71000.0-20000.0-50000.0-57000.0
Percentage of GainLossOnSaleOfPropertyPlantEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GoodwillAcquiredDuringPeriod us-gaap:BusinessAcquisition

us-gaap:GoodwillAcquiredDuringPeriod

exas:ThriveEarlierDetectionCorporation


Goodwill
Period End2021-03-31
Value946
Percentage of GoodwillAcquiredDuringPeriod100.0

us-gaap:ImpairmentOfIntangibleAssetsFinitelived

us-gaap:ImpairmentOfIntangibleAssetsFinitelived


Impairment
Period End2020-12-312020-09-30
Value0.0209
Percentage of ImpairmentOfIntangibleAssetsFinitelived0.0100.0

us-gaap:ImpairmentOfIntangibleAssetsFinitelived us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:InProcessResearchAndDevelopment


Impairment
Period End2020-09-30
Value200
Percentage of ImpairmentOfIntangibleAssetsFinitelived95.4

us-gaap:ImpairmentOfIntangibleAssetsFinitelived us-gaap:FiniteLivedIntangibleAssetsByMajorClass, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:InProcessResearchAndDevelopment, exas:ArmuneBiosciencesAgreement


Impairment
Period End2020-09-30
Value9.7
Percentage of ImpairmentOfIntangibleAssetsFinitelived4.6

us-gaap:IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance

us-gaap:IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance


Income
Period End2021-06-302021-03-31
Value0-239200000.0
Percentage of IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance0.0100.0

us-gaap:InterestCostsCapitalized us-gaap:LongtermDebtType

us-gaap:InterestCostsCapitalized

us-gaap:ConstructionLoans


Interest
Period End2020-12-312019-12-31
Value0700000.0
Percentage of InterestCostsCapitalized0.0100.0

us-gaap:InterestCostsIncurred us-gaap:LongtermDebtType

us-gaap:InterestCostsIncurred

us-gaap:ConstructionLoans


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value0700000.0000700000.0
Percentage of InterestCostsIncurred0.0100.00.00.00.0100.0

us-gaap:InterestExpenseOther

us-gaap:InterestExpenseOther


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value621000.0600000.0513000.0431000.0260000.0714000.0470000.0490000.0253000.0245000.0254000.048000.049000.0
Percentage of InterestExpenseOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentIncomeNonoperating

us-gaap:InvestmentIncomeNonoperating


Investment
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-30
Value3.429312.5232.9120.0979.093
Percentage of InvestmentIncomeNonoperating100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentIncomeNonoperating us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Investment
Period End2021-06-302021-03-312019-12-31
Value-0.19-0.040.025
Percentage of InvestmentIncomeNonoperating-5.5-0.10.0

us-gaap:InvestmentIncomeNonoperating us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:StatementClassOfStock

exas:ThriveEarlierDetectionCorporation, us-gaap:SeriesBPreferredStock


Investment
Period End2020-09-30
Value1.5
Percentage of InvestmentIncomeNonoperating59.5

us-gaap:MarketingExpense dei:LegalEntity, us-gaap:TypeOfArrangement

us-gaap:MarketingExpense

exas:PfizerInc, us-gaap:ManufacturedProductOther


Marketing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value31262715211919151617
Percentage of MarketingExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1

us-gaap:NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1


Noncash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value6.4428.697-4.524-1.475-4.94713-6.668-7.469-17.717427.7380.69312124.8881.8251.330.7750.106-0.5060.0211.034-1.8162.5520.1330.836
Percentage of NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OciBeforeReclassificationsBeforeTaxAttributableToParent

us-gaap:OciBeforeReclassificationsBeforeTaxAttributableToParent


Oci
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-107000.0-292000.0-388000.0-405000.03206000.0-1642000.0-134000.0-2969000.01733000.02051000.0
Percentage of OciBeforeReclassificationsBeforeTaxAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OciBeforeReclassificationsBeforeTaxAttributableToParent us-gaap:StatementEquityComponents

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Oci
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-107000.0-292000.0-388000.0-405000.03206000.0-1642000.0-134000.0-2969000.01733000.02051000.0
Percentage of OciBeforeReclassificationsBeforeTaxAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseExpense

us-gaap:OperatingLeaseExpense


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value6.0975.744.6794.181-3.33102.7460.9190.8850.877
Percentage of OperatingLeaseExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeasePayments

us-gaap:OperatingLeasePayments


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value6.7515.5584.7040.5386.675.6195.8971.3251.31.098
Percentage of OperatingLeasePayments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax


Other
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value0025000.0-66000.0-82000.0120000.024000.010000.0-18000.020000.046000.016000.089000.0-8000.0-51000.0-25000.0-82000.0-57000.0-48000.091000.0-22000.0-10000.0
Percentage of OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax0.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-297000.0-332000.0-388000.0-405000.03206000.0-1642000.0-109000.0-2697000.01952000.02176000.0-40000.0462000.0476000.0-1606000.0-482000.049000.0-37000.0-5000.0
Percentage of OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-297000.0-332000.0-388000.0-405000.03206000.0-1617000.0-81000.0-2763000.01870000.02296000.0
Percentage of OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent us-gaap:StatementEquityComponents

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-297000.0-332000.0-388000.0-405000.03206000.0-1642000.0-109000.0-2697000.01952000.02176000.0
Percentage of OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent100.0100.0100.0100.0100.0101.5134.697.6104.494.8

us-gaap:AccumulatedTranslationAdjustment


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value00025000.0-66000.0-82000.0120000.0
Percentage of OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent-0.0-0.00.0-1.52.4-4.45.2

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-06-302012-03-312011-03-31
Value-297000.0-162000.0-405000.03206000.0-1617000.0-2120000.01406000.01776000.0-16000.0472000.0458000.0-1586000.0-436000.065000.052000.0-13000.0-231000.0-170000.00416000.0-588000.0166000.0-81000.0185000.0-109000.0-95000.0-44000.08000.0-54000.035000.02000.0
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-297000.0-162000.0-405000.03206000.0-1617000.0-2120000.01406000.01776000.0472000.0458000.0-1586000.0
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossTax

us-gaap:OtherComprehensiveIncomeLossTax


Other
Period End2021-06-302021-03-312020-06-302020-03-312019-09-302019-06-302019-03-31
Value0-170000.000-643000.0464000.0520000.0
Percentage of OtherComprehensiveIncomeLossTax0.0100.00.00.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossTaxPortionAttributableToParent1

us-gaap:OtherComprehensiveIncomeLossTaxPortionAttributableToParent1


Other
Period End2021-06-302021-03-312019-09-302019-06-302019-03-31
Value0-170000.0-643000.0464000.0520000.0
Percentage of OtherComprehensiveIncomeLossTaxPortionAttributableToParent10.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-297000.0-332000.0-405000.03206000.0-1642000.0-2697000.01952000.02176000.0462000.0476000.0-1606000.0
Percentage of OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherOperatingIncome

us-gaap:OtherOperatingIncome


Other
Period End2020-12-312020-09-302020-06-302019-06-30
Value0.00.0230.0
Percentage of OtherOperatingIncome0.00.0100.00.0

us-gaap:PaymentForContingentConsiderationLiabilityInvestingActivities

us-gaap:PaymentForContingentConsiderationLiabilityInvestingActivities


Payment
Period End2021-06-302021-03-312020-12-312020-03-31
Value0164000.0-164000.0140000.0
Percentage of PaymentForContingentConsiderationLiabilityInvestingActivities0.0100.0100.0100.0

us-gaap:PaymentsForProceedsFromOtherInvestingActivities

us-gaap:PaymentsForProceedsFromOtherInvestingActivities


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value103000.0141000.0137000.0-272000.0186000.0330000.01322000.0150000.0240000.0140000.0
Percentage of PaymentsForProceedsFromOtherInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsForProceedsFromProductiveAssets

us-gaap:PaymentsForProceedsFromProductiveAssets


Payments
Period End2020-10-26
Value416
Percentage of PaymentsForProceedsFromProductiveAssets100.0

us-gaap:PaymentsOfStockIssuanceCosts

us-gaap:PaymentsOfStockIssuanceCosts


Payments
Period End2020-10-312019-12-312019-09-302017-06-262017-06-302016-08-022015-07-242014-12-162014-04-022013-06-212012-08-132011-12-062010-11-102010-04-19
Value7500000.033000.0409000.07300000.07300000.07300000.04400000.02100000.08900000.04800000.03900000.01500000.04300000.01300000.0
Percentage of PaymentsOfStockIssuanceCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireBusinessesGross us-gaap:BusinessAcquisition

us-gaap:PaymentsToAcquireBusinessesGross

exas:AshionAnalytics


Payments
Period End2021-04-14
Value74
Percentage of PaymentsToAcquireBusinessesGross100.0

exas:ThriveEarlierDetectionCorporation


Payments
Period End2021-01-05
Value584
Percentage of PaymentsToAcquireBusinessesGross0.0

us-gaap:PaymentsToAcquireBusinessesGross us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:SubsequentEventType, us-gaap:TypeOfArrangement

exas:AshionAnalytics, us-gaap:SubsequentEvent, us-gaap:LicensingAgreements


Payments
Period End2021-02-12
Value72
Percentage of PaymentsToAcquireBusinessesGross0.0

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value723430.00.004-0.1536.8070.00.0
Percentage of PaymentsToAcquireBusinessesNetOfCashAcquired100.0100.00.0100.0100.0100.00.00.0

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType

exas:AshionAnalytics, us-gaap:SubsequentEvent


Payments
Period End2021-04-14
Value73
Percentage of PaymentsToAcquireBusinessesNetOfCashAcquired0.0

exas:PFSGenomics, us-gaap:SubsequentEvent


Payments
Period End2021-05-03
Value30
Percentage of PaymentsToAcquireBusinessesNetOfCashAcquired0.0

us-gaap:PaymentsToAcquireIntangibleAssets us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:SubsequentEventType, us-gaap:TypeOfArrangement

us-gaap:PaymentsToAcquireIntangibleAssets

exas:TranslationalGenomicsResearchInstitute, us-gaap:SubsequentEvent, us-gaap:LicensingAgreements


Payments
Period End2021-01-11
Value25
Percentage of PaymentsToAcquireIntangibleAssets100.0

us-gaap:PaymentsToAcquireMarketableSecurities

us-gaap:PaymentsToAcquireMarketableSecurities


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value75216219924921442529922482621101862666281215615730381450.06.1187.0571788.17311682.51362.3529.24917629.2315.639563.801291530382.4935.7582.624
Percentage of PaymentsToAcquireMarketableSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireOtherInvestments

us-gaap:PaymentsToAcquireOtherInvestments


Payments
Period End2021-06-302021-03-312020-12-31
Value0.010.05.337
Percentage of PaymentsToAcquireOtherInvestments0.0100.0100.0

us-gaap:PaymentsToAcquireOtherProductiveAssets

us-gaap:PaymentsToAcquireOtherProductiveAssets


Payments
Period End2021-06-302021-03-31
Value3325
Percentage of PaymentsToAcquireOtherProductiveAssets100.0100.0

us-gaap:PostemploymentBenefitsPeriodExpense us-gaap:BusinessAcquisition

us-gaap:PostemploymentBenefitsPeriodExpense

exas:ThriveEarlierDetectionCorporation


Postemployment
Period End2021-06-302021-03-31
Value700000.02000000.0
Percentage of PostemploymentBenefitsPeriodExpense100.0100.0

us-gaap:ProceedsFromConvertibleDebt

us-gaap:ProceedsFromConvertibleDebt


Proceeds
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.00.00.011250.0-0.002-0.057729-0.0010.006225671
Percentage of ProceedsFromConvertibleDebt0.00.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions

us-gaap:ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value2.8588.759114.476.6384.32.3981.3911.3483.650.260.7314.2541.3911.7532.5780.7250.0472.3620.50.2610.2880.2870.1020.4730.3862.2160.2310.1050.0880.1290.7260.3960.090.2980.2260.2221.6420.1290.3310.2110.0140.1730.0
Percentage of ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value-1554000.0-1514000.0-2067000.0-312000.0-313000.0-313000.0-352000.0-409000.0
Percentage of ProceedsFromPaymentsForOtherFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleAndMaturityOfMarketableSecurities

us-gaap:ProceedsFromSaleAndMaturityOfMarketableSecurities


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value8923632629122939211100121523217116116481754989575045356152433531263220242615131616151016284.752111.4983.1431.672
Percentage of ProceedsFromSaleAndMaturityOfMarketableSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromStockOptionsExercised

us-gaap:ProceedsFromStockOptionsExercised


Proceeds
Period End2021-06-302021-03-312020-06-302020-03-31
Value2.88.86.64.3
Percentage of ProceedsFromStockOptionsExercised100.0100.0100.0100.0

us-gaap:ProceedsFromStockPlans

us-gaap:ProceedsFromStockPlans


Proceeds
Period End2020-12-312020-09-302019-12-312019-09-302018-12-312018-09-302017-12-312017-09-302016-12-312016-09-302015-12-312015-09-302014-12-312014-09-302013-12-312013-09-30
Value8.5560.04.2590.02.2320.0021.2120.01.0510.0010.960.0010.4230.00.1920.0
Percentage of ProceedsFromStockPlans100.00.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.00.0100.00.0

us-gaap:ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent

us-gaap:ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value190000.040000.0000-25000.0-25000.0-272000.0-219000.0-125000.0
Percentage of ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent100.0100.00.00.00.0100.0100.0100.0100.0100.0

us-gaap:ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent us-gaap:StatementEquityComponents

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Reclassification
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value190000.040000.000-25000.0-272000.0-219000.0-125000.0
Percentage of ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent100.0100.00.0-0.0100.0100.0100.0100.0

us-gaap:AccumulatedTranslationAdjustment


Reclassification
Period End2020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value000-25000.000
Percentage of ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent0.00.00.0100.0-0.0-0.0

us-gaap:ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome

us-gaap:ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome


Reclassification
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value190000.040000.000-25000.0-272000.0-219000.0-125000.0
Percentage of ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent100.0100.00.00.0100.0100.0100.0100.0

us-gaap:RepaymentsOfConvertibleDebt

us-gaap:RepaymentsOfConvertibleDebt


Repayments
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value0.00.01500.00.001493
Percentage of RepaymentsOfConvertibleDebt0.00.0100.00.0100.0100.0

us-gaap:ResearchAndDevelopmentInProcess

us-gaap:ResearchAndDevelopmentInProcess


Research
Period End2021-06-302021-03-31
Value3352
Percentage of ResearchAndDevelopmentInProcess100.0100.0

us-gaap:RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability

us-gaap:RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability


Right
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value1.6690.6392.929150.8080.663
Percentage of RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability100.0100.0100.0100.0100.0100.0

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability


Right
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1440-0.4010.638111.254300.0321.85818
Percentage of RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability us-gaap:BusinessAcquisition

exas:ThriveEarlierDetectionCorporation


Right
Period End2021-06-302021-03-31
Value0.639
Percentage of RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability4.396.5

us-gaap:SaleOfStockConsiderationReceivedOnTransaction

us-gaap:SaleOfStockConsiderationReceivedOnTransaction


Sale
Period End2020-10-31
Value861
Percentage of SaleOfStockConsiderationReceivedOnTransaction100.0

us-gaap:SaleOfStockNumberOfSharesIssuedInTransaction

us-gaap:SaleOfStockNumberOfSharesIssuedInTransaction


Sale
Period End2020-10-31
Value8600000.0
Percentage of SaleOfStockNumberOfSharesIssuedInTransaction100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardAcceleratedCompensationCost

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardAcceleratedCompensationCost


Share
Period End2020-09-302020-06-302018-12-312018-09-302018-06-30
Value2.41.81.41.41.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardAcceleratedCompensationCost100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardAcceleratedCompensationCost us-gaap:BusinessAcquisition

exas:GenomicHealthInc


Share
Period End2020-09-302020-06-30
Value0.30.6
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardAcceleratedCompensationCost12.533.3

exas:ThriveEarlierDetectionCorporation


Share
Period End2021-01-05
Value65
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardAcceleratedCompensationCost0.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardAcceleratedCompensationCost us-gaap:BusinessAcquisition, us-gaap:IncomeStatementLocation

exas:ThriveEarlierDetectionCorporation, us-gaap:GeneralAndAdministrativeExpense


Share
Period End2021-06-302021-03-31
Value0.086
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardAcceleratedCompensationCost0.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardAcceleratedCompensationCost us-gaap:TitleOfIndividual, us-gaap:BusinessAcquisition

exas:EmployeesWithQualifyingTerminationEvents, exas:ThriveEarlierDetectionCorporation


Share
Period End2021-03-31
Value13
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardAcceleratedCompensationCost0.0

srt:ExecutiveOfficer, exas:GenomicHealthInc


Share
Period End2020-09-30
Value1.6
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardAcceleratedCompensationCost66.7

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardAcceleratedCompensationCost us-gaap:UnusualOrInfrequentItem

exas:COVID19


Share
Period End2020-09-30
Value1.8
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardAcceleratedCompensationCost75.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod

us-gaap:PerformanceShares


Share
Period End2021-03-31
Value2075.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue

exas:RestrictedStockAwardsAndRestrictedStockUnitsRSU


Share
Period End2021-06-302021-03-312020-12-31
Value1.4194.470.69
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue100.0100.0100.0

us-gaap:PerformanceShares


Share
Period End2021-06-302021-03-31
Value0147.81
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue0.0156.5

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

exas:RestrictedStockAwardsAndRestrictedStockUnitsRSU


Share
Period End2021-06-302021-03-312020-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value-3.03143.661.611.238.551.8421.420.741.690.14.37-8.70.31
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PerformanceShares


Share
Period End2021-06-302021-03-312020-06-302020-03-31
Value-6.85147.81-8.0198.18
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue226.1102.90.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue

exas:RestrictedStockAwardsAndRestrictedStockUnitsRSU


Share
Period End2021-06-302021-03-312020-06-302020-03-31
Value12808.954
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue

exas:RestrictedStockAwardsAndRestrictedStockUnitsRSU


Share
Period End2021-06-302021-03-312020-12-31
Value3.5767.581.7
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum

exas:EmployeeAndNonEmployeesStockOption


Share
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-312018-09-302017-12-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-11.876.735-64.93565.710-0.00010.0003-0.00030000.5940.5940000.732
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum100.0100.0100.0100.00.0100.0100.0100.00.00.00.0100.0100.00.00.00.0100.0

us-gaap:EmployeeStock


Share
Period End2021-06-302020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302016-12-312016-09-302016-06-302015-12-312015-09-302015-06-302014-12-312014-09-302014-06-302012-12-312012-09-302012-06-302011-12-312011-09-302011-06-30
Value68.51088.110.89-0.00370.00370.5760.0001-0.00010.654000.855000.9270.52600.5740.13200.495-0.0010.0010.549000.63
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum0.0-0.0114.8-1.40.0-3700.00.033.333.30.00.00.00.00.00.0156.10.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum us-gaap:AwardType, us-gaap:BusinessAcquisition

us-gaap:EmployeeStockOption, exas:ThriveEarlierDetectionCorporation


Share
Period End2021-01-05
Value71.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum0.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum

exas:EmployeeAndNonEmployeesStockOption


Share
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-312018-09-302017-12-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value21.4843.533-65.01365.6700-0.00020.0002-0.004000.5890.5890000.671
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum100.0100.0100.0100.00.00.0100.0100.0100.00.00.0100.0100.00.00.00.0100.0

us-gaap:EmployeeStock


Share
Period End2021-06-302020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302016-12-312016-09-302016-06-302015-12-312015-09-302015-06-302014-12-312014-09-302014-06-302012-12-312012-09-302012-06-302011-12-312011-09-302011-06-30
Value48.38-2.1163.0630.637-0.11800.55-0.00050.00050.517-0.21400.664000.701000.512000.425-0.060.0040.396000.48
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum0.0-9.8144.9-1.00.00.00.0250.0250.00.05350.00.00.00.00.0119.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum us-gaap:AwardType, us-gaap:BusinessAcquisition

us-gaap:EmployeeStockOption, exas:ThriveEarlierDetectionCorporation


Share
Period End2021-01-05
Value65.54
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum0.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum

exas:EmployeeAndNonEmployeesStockOption


Share
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-312018-09-302017-12-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value01.4553-1.45531.4700000.0007000.01690.01690000.01920
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum0.0100.0100.0100.00.00.00.00.0100.00.00.0100.0100.00.00.00.0100.00.0

us-gaap:EmployeeStock


Share
Period End2021-06-302020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302016-12-312016-09-302016-06-302015-12-312015-09-302015-06-302014-12-312014-09-302014-06-302012-12-312012-09-302012-06-302011-12-312011-09-302011-06-30
Value0.1600.1980.002-0.000400.02440.00300.0250.003200.01280.000300.0080.001500.0060.000900.00410.000300.0027000.0061
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum0.00.013.6-0.10.00.00.00.00.00.0457.10.00.00.00.047.30.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum us-gaap:AwardType, us-gaap:BusinessAcquisition

us-gaap:EmployeeStockOption, exas:ThriveEarlierDetectionCorporation


Share
Period End2021-01-05
Value0.12
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum0.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum

exas:EmployeeAndNonEmployeesStockOption


Share
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-312018-09-302017-12-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value1.150.1002-1.25021.2600000.0004000.01480.01480000.0150
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum100.0100.0100.0100.00.00.00.00.0100.00.00.0100.0100.00.00.00.0100.00.0

us-gaap:EmployeeStock


Share
Period End2021-06-302020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302016-12-312016-09-302016-06-302015-12-312015-09-302015-06-302014-12-312014-09-302014-06-302012-12-312012-09-302012-06-302011-12-312011-09-302011-06-30
Value0.04-0.010.11880.0012-0.007100.02310.000500.02050.000200.0098000.0041000.0025000.001-0.000100.0019-0.000900.0022
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum0.0-0.9118.6-0.10.00.00.00.00.00.050.00.00.00.00.027.70.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum us-gaap:AwardType, us-gaap:BusinessAcquisition

us-gaap:EmployeeStockOption, exas:ThriveEarlierDetectionCorporation


Share
Period End2021-01-05
Value0.11
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum0.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue us-gaap:PlanName

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue

exas:StockBasedCompensationPlans


Share
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value141268.61010196.5163.81719
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

exas:EmployeeAndNonEmployeesStockOption


Share
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value0-0.258.7758.8600057.11027.03-2.2926.840.0527.0313.213.2003.173.1700015.81011.3709.86010.346.557.7307.47
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue0.0100.0100.0100.00.00.00.0100.00.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.00.00.00.0100.00.0100.00.0100.00.0100.0100.0100.00.0100.0

us-gaap:EmployeeStock


Share
Period End2020-09-302020-06-302019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302017-12-312017-09-302014-12-312014-09-302013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-312011-09-302011-06-30
Value030.6-6.7035.911.79018.684.8202.5400.3302.80-0.6303.47-0.0502.88
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue-0.052.10.00.00.00.00.0-815.79640.00.00.00.00.00.042.70.00.00.00.00.00.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue us-gaap:Range, us-gaap:AwardType, us-gaap:BusinessAcquisition

srt:Maximum, us-gaap:EmployeeStockOption, exas:ThriveEarlierDetectionCorporation


Share
Period End2021-01-05
Value124.89
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue0.0

srt:Minimum, us-gaap:EmployeeStockOption, exas:ThriveEarlierDetectionCorporation


Share
Period End2021-01-05
Value109.74
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue0.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationIncrementalCompensationCost us-gaap:BusinessAcquisition, us-gaap:IncomeStatementLocation

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationIncrementalCompensationCost

exas:ThriveEarlierDetectionCorporation, us-gaap:GeneralAndAdministrativeExpense


Share
Period End2021-01-05
Value16
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationIncrementalCompensationCost100.0

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice us-gaap:PlanName

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice

exas:StockBasedCompensationPlans


Share
Period End2021-06-302021-03-31
Value1.459.06
Percentage of ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice100.0100.0

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice us-gaap:PlanName

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice

exas:StockBasedCompensationPlans


Share
Period End2021-06-302021-03-31
Value-2.166.87
Percentage of ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice100.0100.0

us-gaap:StockIssuedDuringPeriodValueAcquisitions

us-gaap:StockIssuedDuringPeriodValueAcquisitions


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value1612540.00.250.0280.00.0
Percentage of StockIssuedDuringPeriodValueAcquisitions100.0100.00.0100.00.0100.00.00.0

us-gaap:StockIssuedDuringPeriodValueAcquisitions us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-09-302020-03-31
Value1612540.24928
Percentage of StockIssuedDuringPeriodValueAcquisitions100.0100.099.6100.0

us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312020-09-302020-03-31
Value0.0010.0940.0010.004
Percentage of StockIssuedDuringPeriodValueAcquisitions0.00.00.40.0

us-gaap:StockIssuedDuringPeriodValueConversionOfConvertibleSecurities

us-gaap:StockIssuedDuringPeriodValueConversionOfConvertibleSecurities


Stock
Period End2021-06-302021-03-312020-03-312019-09-302019-03-31
Value14000.026000.0-64199000.01000.0-300770000.0
Percentage of StockIssuedDuringPeriodValueConversionOfConvertibleSecurities100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueConversionOfConvertibleSecurities us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-03-312019-09-302019-03-31
Value14000.026000.0-64199000.01000.0-300770000.0
Percentage of StockIssuedDuringPeriodValueConversionOfConvertibleSecurities100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueEmployeeBenefitPlan

us-gaap:StockIssuedDuringPeriodValueEmployeeBenefitPlan


Stock
Period End2021-03-312020-03-312019-03-312018-06-302018-03-31
Value22127.4090.0034.3
Percentage of StockIssuedDuringPeriodValueEmployeeBenefitPlan100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueEmployeeBenefitPlan us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-03-312020-03-312019-03-312018-06-302018-03-31
Value22127.4080.0034.299
Percentage of StockIssuedDuringPeriodValueEmployeeBenefitPlan100.0100.0100.0100.0100.0

us-gaap:CommonStock


Stock
Period End2021-03-312020-03-312019-03-312018-03-31
Value0.0020.0010.0010.001
Percentage of StockIssuedDuringPeriodValueEmployeeBenefitPlan0.00.00.00.0

us-gaap:StockIssuedDuringPeriodValueEmployeeStockPurchasePlan

us-gaap:StockIssuedDuringPeriodValueEmployeeStockPurchasePlan


Stock
Period End2021-06-302020-06-302019-06-302013-12-312012-12-31
Value129.7994.1370.1920.173
Percentage of StockIssuedDuringPeriodValueEmployeeStockPurchasePlan100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueEmployeeStockPurchasePlan us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302020-06-302019-06-30
Value129.7974.136
Percentage of StockIssuedDuringPeriodValueEmployeeStockPurchasePlan100.0100.0100.0

us-gaap:CommonStock


Stock
Period End2021-06-302020-06-302019-06-30
Value0.0020.0020.001
Percentage of StockIssuedDuringPeriodValueEmployeeStockPurchasePlan0.00.00.0

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value56158414029242016
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value56158414029242016
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation100.0100.0100.0100.0100.0100.0100.099.8

us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value0.0020.0130.0020.0020.0110.0020.0010.035
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation0.00.00.00.00.00.00.00.2

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value2.8588.7594.476.6384.31.3911.3483.650.7354.2531.391
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value2.8578.7494.4696.6364.2981.3891.3473.6480.7344.251.387
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised100.099.9100.0100.0100.099.999.999.999.999.999.7

us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value0.0010.010.0010.0020.0020.0020.0010.0020.0010.0030.004
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised0.00.10.00.00.00.10.10.10.10.10.3

exas:AccruedLicensesCurrent

exas:AccruedLicensesCurrent


Accrued
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value4517000.02761000.02050000.01288000.05359000.01528000.0646000.0539000.0373000.0338000.0
Percentage of AccruedLicensesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

exas:AccruedResearchAndTrialRelatedExpensesCurrent

exas:AccruedResearchAndTrialRelatedExpensesCurrent


Accrued
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value5911000.08368000.06245000.03466000.01035000.03761000.01447000.0801000.0576000.0440000.0
Percentage of AccruedResearchAndTrialRelatedExpensesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

exas:AdditionalContingentConsiderationLiabilityBasedOnMeetingMilestones us-gaap:BusinessAcquisition

exas:AdditionalContingentConsiderationLiabilityBasedOnMeetingMilestones

exas:BiomatricaInc


Additional
Period End2020-12-31
Value20
Percentage of AdditionalContingentConsiderationLiabilityBasedOnMeetingMilestones100.0

exas:AssetAcquisitionAssetsAcquiredAndLiabilitiesAssumedCash

exas:AssetAcquisitionAssetsAcquiredAndLiabilitiesAssumedCash


Asset
Period End2020-10-26
Value9704000.0
Percentage of AssetAcquisitionAssetsAcquiredAndLiabilitiesAssumedCash100.0

exas:AssetAcquisitionAssetsAcquiredAndLiabilitiesAssumedInProcessResearchAndDevelopment

exas:AssetAcquisitionAssetsAcquiredAndLiabilitiesAssumedInProcessResearchAndDevelopment


Asset
Period End2020-10-26
Value412
Percentage of AssetAcquisitionAssetsAcquiredAndLiabilitiesAssumedInProcessResearchAndDevelopment100.0

exas:AssetAcquisitionAssetsAcquiredAndLiabilitiesAssumedNet

exas:AssetAcquisitionAssetsAcquiredAndLiabilitiesAssumedNet


Asset
Period End2020-10-26
Value421
Percentage of AssetAcquisitionAssetsAcquiredAndLiabilitiesAssumedNet100.0

exas:AssetAcquisitionAssetsAcquiredAndLiabilitiesAssumedOtherAssetsLiabilities

exas:AssetAcquisitionAssetsAcquiredAndLiabilitiesAssumedOtherAssetsLiabilities


Asset
Period End2020-10-26
Value-1147000.0
Percentage of AssetAcquisitionAssetsAcquiredAndLiabilitiesAssumedOtherAssetsLiabilities100.0

exas:BusinessAcquisitionEquityInterestIssuedOrIssuableNumberOfSharesIssuedExchangeRatio us-gaap:BusinessAcquisition

exas:BusinessAcquisitionEquityInterestIssuedOrIssuableNumberOfSharesIssuedExchangeRatio

exas:ThriveEarlierDetectionCorporation


Business
Period End2021-01-05
Value0.06216
Percentage of BusinessAcquisitionEquityInterestIssuedOrIssuableNumberOfSharesIssuedExchangeRatio100.0

exas:BusinessCombinationContingentConsiderationAdditionalPayment us-gaap:BusinessAcquisition, us-gaap:ContingentConsiderationByType

exas:BusinessCombinationContingentConsiderationAdditionalPayment

exas:AshionAnalytics, exas:CommercialLaunchMilestone


Business
Period End2021-04-14
Value20
Percentage of BusinessCombinationContingentConsiderationAdditionalPayment100.0

exas:BusinessCombinationContingentConsiderationRevenueMilestone us-gaap:BusinessAcquisition, us-gaap:ContingentConsiderationByType

exas:BusinessCombinationContingentConsiderationRevenueMilestone

exas:AshionAnalytics, exas:MRDProductRevenueMilestone


Business
Period End2021-04-14
Value500
Percentage of BusinessCombinationContingentConsiderationRevenueMilestone100.0

exas:BusinessCombinationContingentConsiderationRevenueMilestone us-gaap:BusinessAcquisition, us-gaap:ContingentConsiderationByType, us-gaap:SubsequentEventType

exas:AshionAnalytics, exas:MRDProductRevenueMilestone, us-gaap:SubsequentEvent


Business
Period End2021-04-14
Value500
Percentage of BusinessCombinationContingentConsiderationRevenueMilestone100.0

exas:BusinessCombinationPercentOfCashConsiderationTransferred us-gaap:CounterpartyName, us-gaap:SubsequentEventType

exas:BusinessCombinationPercentOfCashConsiderationTransferred

exas:ThriveEarlierDetectionCorporation, us-gaap:SubsequentEvent


Business
Period End2021-01-05
Value35.0
Percentage of BusinessCombinationPercentOfCashConsiderationTransferred100.0

exas:BusinessCombinationPercentOfEquityConsiderationTransferred us-gaap:CounterpartyName, us-gaap:SubsequentEventType

exas:BusinessCombinationPercentOfEquityConsiderationTransferred

exas:ThriveEarlierDetectionCorporation, us-gaap:SubsequentEvent


Business
Period End2021-01-05
Value65.0
Percentage of BusinessCombinationPercentOfEquityConsiderationTransferred100.0

exas:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAccountsPayableAccruedExpensesAndOtherCurrentLiabilities us-gaap:BusinessAcquisition

exas:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAccountsPayableAccruedExpensesAndOtherCurrentLiabilities

exas:GenomicHealthInc


Business
Period End2020-11-082019-11-08
Value8888
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAccountsPayableAccruedExpensesAndOtherCurrentLiabilities100.0100.0

exas:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAccruedLiabilities us-gaap:BusinessAcquisition

exas:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAccruedLiabilities

exas:AshionAnalytics


Business
Period End2021-04-14
Value1190000.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAccruedLiabilities100.0

exas:ThriveEarlierDetectionCorporation


Business
Period End2021-06-302021-01-05
Value8080000.06218000.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAccruedLiabilities0.00.0

exas:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentOperatingLeaseLiability us-gaap:BusinessAcquisition

exas:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentOperatingLeaseLiability

exas:AshionAnalytics


Business
Period End2021-04-14
Value343000.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentOperatingLeaseLiability100.0

exas:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentOperatingLeaseLiability us-gaap:BusinessAcquisition

exas:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentOperatingLeaseLiability

exas:AshionAnalytics


Business
Period End2021-04-14
Value0.205
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentOperatingLeaseLiability100.0

exas:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOperatingLeaseRightOfUseAssets us-gaap:BusinessAcquisition

exas:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOperatingLeaseRightOfUseAssets

exas:AshionAnalytics


Business
Period End2021-04-14
Value0.548
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOperatingLeaseRightOfUseAssets100.0

exas:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherAssetsAndLiabilities us-gaap:BusinessAcquisition

exas:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherAssetsAndLiabilities

exas:PFSGenomics


Business
Period End2021-06-23
Value-1000.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherAssetsAndLiabilities100.0

exas:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherLongTermAssets us-gaap:BusinessAcquisition

exas:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherLongTermAssets

exas:GenomicHealthInc


Business
Period End2020-11-082019-11-08
Value1414
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherLongTermAssets100.0100.0

exas:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedShareBasedCompensation us-gaap:BusinessAcquisition

exas:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedShareBasedCompensation

exas:ThriveEarlierDetectionCorporation


Business
Period End2021-01-05
Value197
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedShareBasedCompensation100.0

exas:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedShareBasedCompensationAllocatedToConsiderationTransferred us-gaap:BusinessAcquisition

exas:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedShareBasedCompensationAllocatedToConsiderationTransferred

exas:ThriveEarlierDetectionCorporation


Business
Period End2021-01-05
Value52
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedShareBasedCompensationAllocatedToConsiderationTransferred100.0

exas:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedShareBasedCompensationDeemedCompensatory us-gaap:BusinessAcquisition

exas:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedShareBasedCompensationDeemedCompensatory

exas:ThriveEarlierDetectionCorporation


Business
Period End2021-01-05
Value144
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedShareBasedCompensationDeemedCompensatory100.0

exas:ConvertibleNotesPayableGross us-gaap:DebtInstrument

exas:ConvertibleNotesPayableGross

exas:AggregateConvertibleNotes


Convertible
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value2212221222122212116211621162908
Percentage of ConvertibleNotesPayableGross100.0100.0100.0100.0100.0100.0100.0100.0

exas:ConvertibleNotesPayable2025


Convertible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value315315315315315415
Percentage of ConvertibleNotesPayableGross0.00.014.214.214.235.7

exas:ConvertibleNotesPayable2028


Convertible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value115011501150115011500.0
Percentage of ConvertibleNotesPayableGross0.00.052.052.052.00.0

exas:DebtInstrumentConvertibleIfConvertedPrincipalAmount

exas:DebtInstrumentConvertibleIfConvertedPrincipalAmount


Debt
Period End2020-09-30
Value110
Percentage of DebtInstrumentConvertibleIfConvertedPrincipalAmount100.0

exas:DeferredTaxAssetsLeasingArrangements

exas:DeferredTaxAssetsLeasingArrangements


Deferred
Period End2020-12-312019-12-312018-12-31
Value31300.0
Percentage of DeferredTaxAssetsLeasingArrangements100.0100.00.0

exas:DeferredTaxLiabilitiesAmortization

exas:DeferredTaxLiabilitiesAmortization


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value1972702.1820.126
Percentage of DeferredTaxLiabilitiesAmortization100.0100.0100.0100.0

exas:DeferredTaxLiabilitiesConvertibleNotes

exas:DeferredTaxLiabilitiesConvertibleNotes


Deferred
Period End2020-12-312019-12-312018-12-31
Value1458355
Percentage of DeferredTaxLiabilitiesConvertibleNotes100.0100.0100.0

exas:EstimatedCostToCompleteConstruction us-gaap:PropertyPlantAndEquipmentByType

exas:EstimatedCostToCompleteConstruction

exas:BuildingsAndLeaseholdImprovements


Estimated
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value136.77.3489610518823123911
Percentage of EstimatedCostToCompleteConstruction100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ComputerSoftwareIntangibleAsset


Estimated
Period End2020-09-302020-06-302020-03-312019-12-312018-12-31
Value3.62.05.22.27.5
Percentage of EstimatedCostToCompleteConstruction27.129.971.20.00.0

us-gaap:Equipment


Estimated
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312014-09-302014-06-302014-03-31
Value2.02.94.83.7118.3147.27.09.7161.71.00.5
Percentage of EstimatedCostToCompleteConstruction15.043.365.80.023.38.614.00.03.74.26.70.00.00.0

exas:FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour

exas:FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour


Finite
Period End2021-06-302021-03-312020-09-30
Value409385476
Percentage of FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour100.0100.0100.0

exas:GoodwillAcquiredAdjustment us-gaap:BusinessAcquisition

exas:GoodwillAcquiredAdjustment

exas:GenomicHealthInc


Goodwill
Period End2020-09-302020-06-302020-03-312019-12-31
Value4000000.04000000.04300000.04044000.0
Percentage of GoodwillAcquiredAdjustment100.0100.0100.0100.0

exas:InventoryFinishedAndSemiFinishedGoods

exas:InventoryFinishedAndSemiFinishedGoods


Inventory
Period End2021-06-302021-03-312020-12-31
Value454849
Percentage of InventoryFinishedAndSemiFinishedGoods100.0100.0100.0

exas:InventoryFinishedSemiFinishedGoods

exas:InventoryFinishedSemiFinishedGoods


Inventory
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value49464641363432292626232115117.4015.1054.4255.4246.2556.0914.9054.2865.2033.1182.9982.9982.998
Percentage of InventoryFinishedSemiFinishedGoods100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

exas:LesseeOperatingLeaseLeaseNotYetCommencedAsset

exas:LesseeOperatingLeaseLeaseNotYetCommencedAsset


Lessee
Period End2020-12-31
Value8.2
Percentage of LesseeOperatingLeaseLeaseNotYetCommencedAsset100.0

exas:LesseeOperatingLeaseLeaseNotYetCommencedAsset us-gaap:PropertyPlantAndEquipmentByType

exas:FacilityInRedwoodCityCA


Lessee
Period End2021-03-31
Value8.5
Percentage of LesseeOperatingLeaseLeaseNotYetCommencedAsset0.0

exas:LesseeOperatingLeaseLeaseNotYetCommencedLiability

exas:LesseeOperatingLeaseLeaseNotYetCommencedLiability


Lessee
Period End2020-12-31
Value8.3
Percentage of LesseeOperatingLeaseLeaseNotYetCommencedLiability100.0

exas:LesseeOperatingLeaseLeaseNotYetCommencedLiability us-gaap:PropertyPlantAndEquipmentByType

exas:FacilityInRedwoodCityCA


Lessee
Period End2021-03-31
Value8.4
Percentage of LesseeOperatingLeaseLeaseNotYetCommencedLiability0.0

exas:LicenseFeePayments us-gaap:CounterpartyName, us-gaap:TypeOfArrangement

exas:LicenseFeePayments

exas:MAYOFoundation, us-gaap:LicensingAgreements


License
Period End2020-09-302016-03-312015-03-31
Value1300000.01000000.01000000.0
Percentage of LicenseFeePayments100.0100.0100.0

exas:PaymentsContingentOnMilestonesPayable exas:AssetAcquisition, exas:CollaborativeArrangementsSalesMilestone

exas:PaymentsContingentOnMilestonesPayable

exas:TARDISTechnology, exas:SalesMilestoneRangeOne


Payments
Period End2021-01-11
Value10.0
Percentage of PaymentsContingentOnMilestonesPayable100.0

exas:TARDISTechnology, exas:SalesMilestoneRangeTwo


Payments
Period End2021-01-11
Value35
Percentage of PaymentsContingentOnMilestonesPayable350.0

exas:PaymentsContingentOnMilestonesPayable exas:CollaborativeArrangementsSalesMilestone, us-gaap:AssetAcquisition

exas:SalesMilestoneRangeOne, exas:TARDISTechnology


Payments
Period End2021-01-11
Value10.0
Percentage of PaymentsContingentOnMilestonesPayable100.0

exas:SalesMilestoneRangeTwo, exas:TARDISTechnology


Payments
Period End2021-01-11
Value35
Percentage of PaymentsContingentOnMilestonesPayable350.0

exas:PaymentsContingentOnMilestonesPayable exas:CollaborativeArrangementsSalesMilestone, us-gaap:CounterpartyName, us-gaap:TypeOfArrangement

exas:SalesMilestoneRangeOne, exas:ThriveEarlierDetectionCorporation, us-gaap:LicensingAgreements


Payments
Period End2021-01-05
Value10.0
Percentage of PaymentsContingentOnMilestonesPayable0.0

exas:SalesMilestoneRangeThree, exas:ThriveEarlierDetectionCorporation, us-gaap:LicensingAgreements


Payments
Period End2021-01-05
Value20
Percentage of PaymentsContingentOnMilestonesPayable0.0

exas:SalesMilestoneRangeTwo, exas:ThriveEarlierDetectionCorporation, us-gaap:LicensingAgreements


Payments
Period End2021-01-05
Value15
Percentage of PaymentsContingentOnMilestonesPayable0.0

exas:PromotionalAgreementAccruedExpenses

exas:PromotionalAgreementAccruedExpenses


Promotional
Period End2020-12-312019-12-312018-12-31
Value46335.364
Percentage of PromotionalAgreementAccruedExpenses100.0100.0100.0

exas:RefundableTaxCreditOffsettingLiability us-gaap:BalanceSheetLocation, us-gaap:TypeOfArrangement

exas:RefundableTaxCreditOffsettingLiability

us-gaap:OtherCurrentLiabilities, exas:WisconsinEconomicDevelopmentTaxCreditAgreement


Refundable
Period End2020-09-302019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value500000.02300000.02400000.02400000.02400000.02400000.02300000.01900000.01700000.01500000.01300000.01200000.01100000.0800000.0700000.0600000.0400000.0300000.0200000.0
Percentage of RefundableTaxCreditOffsettingLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

exas:RefundableTaxCreditReceivable us-gaap:BalanceSheetLocation, us-gaap:TypeOfArrangement

exas:RefundableTaxCreditReceivable

us-gaap:OtherNoncurrentAssets, exas:WisconsinEconomicDevelopmentTaxCreditAgreement


Refundable
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value1500000.01500000.01500000.01500000.01500000.03100000.03100000.03100000.03100000.04700000.04500000.03500000.02800000.04000000.03500000.03000000.02600000.02900000.02200000.01800000.01100000.01400000.01200000.0
Percentage of RefundableTaxCreditReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PrepaidExpensesAndOtherCurrentAssets, exas:WisconsinEconomicDevelopmentTaxCreditAgreement


Refundable
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value1600000.01600000.01600000.01600000.01600000.01600000.01600000.01600000.01600000.01900000.01900000.01900000.01900000.01300000.01300000.01600000.01600000.0900000.0900000.0900000.01100000.0
Percentage of RefundableTaxCreditReceivable106.7106.7106.7106.7106.751.651.651.651.640.442.254.367.932.537.153.361.531.040.950.0100.0

exas:RefundableTaxCreditReceivable us-gaap:TypeOfArrangement

exas:WisconsinEconomicDevelopmentTaxCreditAgreement


Refundable
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value1500000.01500000.03100000.03100000.03100000.03100000.03100000.04700000.04700000.04700000.04700000.06600000.06400000.05400000.04700000.05300000.04800000.04600000.04200000.03800000.03100000.02700000.0
Percentage of RefundableTaxCreditReceivable0.00.0206.7206.7206.7206.7206.7151.6151.6151.6151.6140.4142.2154.3167.9132.5137.1153.3161.5131.0140.9150.0

us-gaap:AccruedProfessionalFeesCurrent

us-gaap:AccruedProfessionalFeesCurrent


Accrued
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value3629195.3043.3757.5025.7640.8260.3510.182
Percentage of AccruedProfessionalFeesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value343000.0389000.0696000.01084000.01492000.0757000.012000.02757000.01018000.0106000.0122000.078000.04000.011000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax us-gaap:BalanceSheetLocation

us-gaap:CashAndCashEquivalents


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value1000.05000.08000.02000.04000.036000.02000.03000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax0.31.31.10.20.34.816.72.8

us-gaap:CashEquivalents


Available
Period End2020-12-312019-12-31
Value8000.02000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax1.116.7

us-gaap:ShortTermInvestments


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value342000.0384000.0688000.01082000.01488000.0721000.010000.0106000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax99.798.798.999.899.795.283.3100.0

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax us-gaap:BalanceSheetLocation, us-gaap:FinancialInstrument

us-gaap:CashAndCashEquivalents, us-gaap:USGovernmentAgenciesDebtSecurities


Available
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value5000.08000.02000.04000.032000.02000.03000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax1.31.10.20.34.216.72.8

us-gaap:CashEquivalents, us-gaap:USGovernmentAgenciesDebtSecurities


Available
Period End2020-12-312019-12-31
Value8000.02000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax1.116.7

us-gaap:ShortTermInvestments, us-gaap:AssetBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312018-12-31
Value9000.08000.024000.051000.085000.028000.030000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax2.62.13.44.75.73.728.3

us-gaap:ShortTermInvestments, us-gaap:CertificatesOfDeposit


Available
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312018-12-31
Value41000.02000.01000.0000
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax12.00.50.10.00.00.0

us-gaap:ShortTermInvestments, us-gaap:CorporateBondSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value262000.0337000.0612000.0970000.01297000.071000.0033000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax76.486.687.989.586.99.40.031.1

us-gaap:ShortTermInvestments, us-gaap:USGovernmentAgenciesDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value29000.036000.052000.060000.0102000.0622000.010000.043000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax8.59.37.55.56.882.283.340.6

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax


Available
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value276000.025000.03000.02474000.087000.026000.0239000.01503000.01479000.01897000.02299000.0700000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax us-gaap:BalanceSheetLocation

us-gaap:ShortTermInvestments


Available
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312018-12-31
Value276000.025000.01000.02416000.087000.01504000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax100.0100.033.397.7100.0100.1

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax us-gaap:BalanceSheetLocation, us-gaap:FinancialInstrument

us-gaap:ShortTermInvestments, us-gaap:AssetBackedSecurities


Available
Period End2021-06-302020-06-302020-03-312018-12-31
Value9000.00102000.0569000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax3.30.04.137.9

us-gaap:ShortTermInvestments, us-gaap:CertificatesOfDeposit


Available
Period End2021-06-302021-03-312020-06-302020-03-312018-12-31
Value1000.03000.00134000.031000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax0.412.00.05.42.1

us-gaap:ShortTermInvestments, us-gaap:CommercialPaper


Available
Period End2021-03-31
Value1000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax4.0

us-gaap:ShortTermInvestments, us-gaap:CorporateBondSecurities


Available
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312018-12-31
Value80000.021000.002168000.014000.0719000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax29.084.00.087.616.147.8

us-gaap:ShortTermInvestments, us-gaap:USGovernmentAgenciesDebtSecurities


Available
Period End2021-06-302020-06-302020-03-312019-12-312018-12-31
Value186000.01000.0073000.0178000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax67.433.30.083.911.8

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value93960793682376265417571210319969651024998895347
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis us-gaap:BalanceSheetLocation

us-gaap:CashAndCashEquivalents


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value2.9173335893492461233085
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis0.354.963.042.532.418.917.38.8

us-gaap:CashEquivalents


Available
Period End2020-12-312019-12-31
Value58930
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis63.017.3

us-gaap:ShortTermInvestments


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value936273346473515530144965
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis99.745.137.057.567.681.182.7100.0

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis us-gaap:BalanceSheetLocation, us-gaap:FinancialInstrument

us-gaap:CashAndCashEquivalents, us-gaap:CertificatesOfDeposit


Available
Period End2021-03-312018-12-31
Value1511
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis2.51.1

us-gaap:CashAndCashEquivalents, us-gaap:CorporateBondSecurities


Available
Period End2021-06-302020-03-31
Value2.91739
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis0.36.0

us-gaap:CashAndCashEquivalents, us-gaap:USGovernmentAgenciesDebtSecurities


Available
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value318589349246553049
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis52.463.042.532.48.517.35.2

us-gaap:CashEquivalents, us-gaap:USGovernmentAgenciesDebtSecurities


Available
Period End2020-12-312019-12-31
Value58930
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis63.017.3

us-gaap:ShortTermInvestments, us-gaap:AssetBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312018-12-31
Value554.457.07152228277
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis5.90.70.81.82.94.328.8

us-gaap:ShortTermInvestments, us-gaap:CertificatesOfDeposit


Available
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312018-12-31
Value2129010.010.03131
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis22.714.91.21.34.83.3

us-gaap:ShortTermInvestments, us-gaap:CommercialPaper


Available
Period End2021-06-302021-03-31
Value1427
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis1.64.6

us-gaap:ShortTermInvestments, us-gaap:CorporateBondSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value3761431321912192604.017392
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis40.123.714.123.328.739.82.340.7

us-gaap:ShortTermInvestments, us-gaap:USGovernmentAgenciesDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value2767.105207257256202140250
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis29.41.222.131.233.631.080.426.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value516284564831910.0
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost100.0100.0100.0100.0100.0100.00.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost us-gaap:BalanceSheetLocation

us-gaap:ShortTermInvestments


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value516284564831910.0
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost100.0100.0100.0100.0100.0100.00.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost us-gaap:BalanceSheetLocation, us-gaap:FinancialInstrument

us-gaap:ShortTermInvestments, us-gaap:AssetBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value554.457.07151921
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost10.815.415.523.223.611.2

us-gaap:ShortTermInvestments, us-gaap:CorporateBondSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value191243142571300.0
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost37.184.668.965.867.968.50.0

us-gaap:ShortTermInvestments, us-gaap:USGovernmentAgenciesDebtSecurities


Available
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-31
Value2697.1317.1597.186270.0
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost52.115.611.08.614.20.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value516284665841890.0
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue100.0100.0100.0100.0100.0100.00.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue us-gaap:BalanceSheetLocation

us-gaap:ShortTermInvestments


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value516284665841890.0
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue100.0100.0100.0100.0100.0100.00.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue us-gaap:BalanceSheetLocation, us-gaap:FinancialInstrument

us-gaap:ShortTermInvestments, us-gaap:AssetBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value554.4587.094151921
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue10.815.515.423.123.511.2

us-gaap:ShortTermInvestments, us-gaap:CorporateBondSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value191243143571290.0
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue37.284.569.065.968.068.30.0

us-gaap:ShortTermInvestments, us-gaap:USGovernmentAgenciesDebtSecurities


Available
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-31
Value2687.1777.2137.231270.0
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue52.115.611.08.514.40.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value42257889075867846317565651453059262156852921823714415616215311210912013212013010010399
Percentage of AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost us-gaap:BalanceSheetLocation

us-gaap:CashAndCashEquivalents


Available
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value2.917333349246123
Percentage of AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost0.757.746.136.426.6

us-gaap:CashEquivalents


Available
Period End2020-12-312019-12-31
Value58930
Percentage of AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost66.217.3

us-gaap:ShortTermInvestments


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value419244300408431339144
Percentage of AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost99.342.333.853.963.673.482.7

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost us-gaap:BalanceSheetLocation, us-gaap:FinancialInstrument

us-gaap:CashAndCashEquivalents, us-gaap:CertificatesOfDeposit


Available
Period End2021-03-31
Value15
Percentage of AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost2.7

us-gaap:CashAndCashEquivalents, us-gaap:CorporateBondSecurities


Available
Period End2021-06-302020-03-31
Value2.91739
Percentage of AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost0.78.5

us-gaap:CashAndCashEquivalents, us-gaap:USGovernmentAgenciesDebtSecurities


Available
Period End2021-03-312020-09-302020-06-302020-03-31
Value31834924655
Percentage of AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost55.046.136.411.9

us-gaap:CashEquivalents, us-gaap:USGovernmentAgenciesDebtSecurities


Available
Period End2020-12-312019-12-31
Value58930
Percentage of AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost66.217.3

us-gaap:ShortTermInvestments, us-gaap:CertificatesOfDeposit


Available
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value2129010.010.020
Percentage of AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost50.415.61.31.54.3

us-gaap:ShortTermInvestments, us-gaap:CommercialPaper


Available
Period End2021-06-302021-03-312020-03-31
Value14277.964
Percentage of AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost3.64.81.7

us-gaap:ShortTermInvestments, us-gaap:CorporateBondSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value1841191001481621294.017
Percentage of AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost43.720.711.319.623.927.92.3

us-gaap:ShortTermInvestments, us-gaap:USGovernmentAgenciesDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value7.0777.105199249249175140
Percentage of AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost1.71.222.532.936.737.980.4

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value422578891759679462175656515530372621567528218237144156162153112109120132120130100103
Percentage of AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue us-gaap:BalanceSheetLocation

us-gaap:CashAndCashEquivalents


Available
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value2.918333349246123
Percentage of AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue0.757.646.136.326.7

us-gaap:CashEquivalents


Available
Period End2020-12-312019-12-31
Value58930
Percentage of AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue66.217.3

us-gaap:ShortTermInvestments


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value419245301409432339144
Percentage of AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue99.342.433.853.963.773.382.7

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue us-gaap:BalanceSheetLocation, us-gaap:FinancialInstrument

us-gaap:CashAndCashEquivalents, us-gaap:CertificatesOfDeposit


Available
Period End2021-03-31
Value15
Percentage of AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue2.7

us-gaap:CashAndCashEquivalents, us-gaap:CorporateBondSecurities


Available
Period End2021-06-302020-03-31
Value2.91839
Percentage of AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue0.78.5

us-gaap:CashAndCashEquivalents, us-gaap:USGovernmentAgenciesDebtSecurities


Available
Period End2021-03-312020-09-302020-06-302020-03-31
Value31834924655
Percentage of AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue55.046.136.312.0

us-gaap:CashEquivalents, us-gaap:USGovernmentAgenciesDebtSecurities


Available
Period End2020-12-312019-12-31
Value58930
Percentage of AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue66.217.3

us-gaap:ShortTermInvestments, us-gaap:CertificatesOfDeposit


Available
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value212901010.019
Percentage of AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue50.415.61.31.54.3

us-gaap:ShortTermInvestments, us-gaap:CommercialPaper


Available
Period End2021-06-302021-03-312020-03-31
Value15277.952
Percentage of AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue3.54.81.7

us-gaap:ShortTermInvestments, us-gaap:CorporateBondSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value1841191011491621284.003
Percentage of AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue43.720.711.319.724.027.82.3

us-gaap:ShortTermInvestments, us-gaap:USGovernmentAgenciesDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value7.1067.141199249249175140
Percentage of AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue1.71.222.432.936.738.080.4

us-gaap:AvailableForSaleSecuritiesDebtSecurities

us-gaap:AvailableForSaleSecuritiesDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value93960793782476465217571210349979631023996893347
Percentage of AvailableForSaleSecuritiesDebtSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtSecurities us-gaap:BalanceSheetLocation

us-gaap:CashAndCashEquivalents


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value2.91833358934924612330
Percentage of AvailableForSaleSecuritiesDebtSecurities0.354.963.042.432.318.917.3

us-gaap:CashEquivalents


Available
Period End2020-12-312019-12-31
Value58930
Percentage of AvailableForSaleSecuritiesDebtSecurities63.017.3

us-gaap:ShortTermInvestments


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value936274347474517529144963
Percentage of AvailableForSaleSecuritiesDebtSecurities99.745.137.057.667.781.182.7100.0

us-gaap:AvailableForSaleSecuritiesDebtSecurities us-gaap:BalanceSheetLocation, us-gaap:FinancialInstrument

us-gaap:CashAndCashEquivalents, us-gaap:CertificatesOfDeposit


Available
Period End2021-03-312018-12-31
Value1511
Percentage of AvailableForSaleSecuritiesDebtSecurities2.51.1

us-gaap:CashAndCashEquivalents, us-gaap:CorporateBondSecurities


Available
Period End2021-06-302020-03-31
Value2.91839
Percentage of AvailableForSaleSecuritiesDebtSecurities0.36.0

us-gaap:CashAndCashEquivalents, us-gaap:USGovernmentAgenciesDebtSecurities


Available
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value318589349246553049
Percentage of AvailableForSaleSecuritiesDebtSecurities52.463.042.432.38.517.35.2

us-gaap:CashEquivalents, us-gaap:USGovernmentAgenciesDebtSecurities


Available
Period End2020-12-312019-12-31
Value58930
Percentage of AvailableForSaleSecuritiesDebtSecurities63.017.3

us-gaap:ShortTermInvestments, us-gaap:AssetBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312018-12-31
Value554.4587.094152228276
Percentage of AvailableForSaleSecuritiesDebtSecurities5.90.70.81.82.94.328.7

us-gaap:ShortTermInvestments, us-gaap:CertificatesOfDeposit


Available
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312018-12-31
Value212901010.03131
Percentage of AvailableForSaleSecuritiesDebtSecurities22.714.91.21.34.83.3

us-gaap:ShortTermInvestments, us-gaap:CommercialPaper


Available
Period End2021-06-302021-03-31
Value1527
Percentage of AvailableForSaleSecuritiesDebtSecurities1.64.6

us-gaap:ShortTermInvestments, us-gaap:CorporateBondSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value3761441321922202584.003392
Percentage of AvailableForSaleSecuritiesDebtSecurities40.123.714.223.428.939.62.340.7

us-gaap:ShortTermInvestments, us-gaap:USGovernmentAgenciesDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value2767.141207257256203140250
Percentage of AvailableForSaleSecuritiesDebtSecurities29.41.222.131.233.631.280.426.0

us-gaap:AvailableForSaleSecuritiesDebtSecurities us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:AssetBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312018-12-31
Value554.4587.094152228276
Percentage of AvailableForSaleSecuritiesDebtSecurities5.90.70.81.82.94.328.7

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:CertificatesOfDeposit


Available
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312018-12-31
Value212901010.03131
Percentage of AvailableForSaleSecuritiesDebtSecurities22.714.91.21.34.83.3

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:CommercialPaper


Available
Period End2021-06-302021-03-312020-03-312018-12-31
Value15277.95212
Percentage of AvailableForSaleSecuritiesDebtSecurities1.64.61.21.3

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:CorporateBondSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value3761441321922202584.003392
Percentage of AvailableForSaleSecuritiesDebtSecurities40.123.714.223.428.939.62.340.7

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:USGovernmentAgenciesDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value2767.141207257256203140250
Percentage of AvailableForSaleSecuritiesDebtSecurities29.41.222.131.233.631.280.426.0

us-gaap:AvailableForSaleSecuritiesDebtSecurities us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

us-gaap:FairValueMeasurementsRecurring, us-gaap:AssetBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312018-12-31
Value554.4587.094152228276
Percentage of AvailableForSaleSecuritiesDebtSecurities5.90.70.81.82.94.328.7

us-gaap:FairValueMeasurementsRecurring, us-gaap:CertificatesOfDeposit


Available
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312018-12-31
Value212901010.03131
Percentage of AvailableForSaleSecuritiesDebtSecurities22.714.91.21.34.83.3

us-gaap:FairValueMeasurementsRecurring, us-gaap:CommercialPaper


Available
Period End2021-06-302021-03-312020-03-312018-12-31
Value15277.95212
Percentage of AvailableForSaleSecuritiesDebtSecurities1.64.61.21.3

us-gaap:FairValueMeasurementsRecurring, us-gaap:CorporateBondSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value3761441321922202584.003392
Percentage of AvailableForSaleSecuritiesDebtSecurities40.123.714.223.428.939.62.340.7

us-gaap:FairValueMeasurementsRecurring, us-gaap:USGovernmentAgenciesDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value2767.141207257256203140250
Percentage of AvailableForSaleSecuritiesDebtSecurities29.41.222.131.233.631.280.426.0

us-gaap:BusinessAcquisitionEquityInterestIssuedOrIssuableValueAssigned us-gaap:BusinessAcquisition

us-gaap:BusinessAcquisitionEquityInterestIssuedOrIssuableValueAssigned

exas:AshionAnalytics


Business
Period End2021-04-14
Value16
Percentage of BusinessAcquisitionEquityInterestIssuedOrIssuableValueAssigned100.0

exas:ThriveEarlierDetectionCorporation


Business
Period End2021-01-05
Value1190
Percentage of BusinessAcquisitionEquityInterestIssuedOrIssuableValueAssigned0.0

us-gaap:BusinessAcquisitionEquityInterestIssuedOrIssuableValueAssigned us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType

exas:AshionAnalytics, us-gaap:SubsequentEvent


Business
Period End2021-04-14
Value16
Percentage of BusinessAcquisitionEquityInterestIssuedOrIssuableValueAssigned100.0

us-gaap:BusinessAcquisitionPercentageOfVotingInterestsAcquired us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType

us-gaap:BusinessAcquisitionPercentageOfVotingInterestsAcquired

exas:PFSGenomics, us-gaap:SubsequentEvent


Business
Period End2021-05-03
Value90.0
Percentage of BusinessAcquisitionPercentageOfVotingInterestsAcquired100.0

us-gaap:BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh us-gaap:BusinessAcquisition, us-gaap:ContingentConsiderationByType

us-gaap:BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh

exas:ThriveEarlierDetectionCorporation, exas:CompensationExpense


Business
Period End2021-01-05
Value18
Percentage of BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh100.0

us-gaap:BusinessCombinationContingentConsiderationLiability

us-gaap:BusinessCombinationContingentConsiderationLiability


Business
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-10-02
Value3613362.4772.6382.5512.7392.8793.4
Percentage of BusinessCombinationContingentConsiderationLiability100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessCombinationContingentConsiderationLiability us-gaap:BusinessAcquisition

exas:BiomatricaInc


Business
Period End2020-09-302020-06-302020-03-312018-10-312018-10-02
Value2020203.420
Percentage of BusinessCombinationContingentConsiderationLiability758.2784.0730.20.0588.2

exas:ThriveEarlierDetectionCorporation


Business
Period End2021-01-05
Value450
Percentage of BusinessCombinationContingentConsiderationLiability0.0

us-gaap:BusinessCombinationContingentConsiderationLiability us-gaap:BusinessAcquisition, us-gaap:ContingentConsiderationByType

exas:AshionAnalytics, exas:CommercialLaunchMilestone


Business
Period End2021-04-14
Value19
Percentage of BusinessCombinationContingentConsiderationLiability0.0

exas:AshionAnalytics, exas:MRDProductRevenueMilestone


Business
Period End2021-04-14
Value30
Percentage of BusinessCombinationContingentConsiderationLiability0.0

exas:ThriveEarlierDetectionCorporation, exas:CenterForMedicareAndMedicaidServicesCMSCoverage


Business
Period End2021-01-05
Value300
Percentage of BusinessCombinationContingentConsiderationLiability0.0

exas:ThriveEarlierDetectionCorporation, exas:FDAApproval


Business
Period End2021-01-05
Value150
Percentage of BusinessCombinationContingentConsiderationLiability0.0

us-gaap:BusinessCombinationContingentConsiderationLiability us-gaap:BusinessAcquisition, us-gaap:ContingentConsiderationByType, us-gaap:FairValueByMeasurementBasis

exas:ThriveEarlierDetectionCorporation, exas:AllocatedToCompensation, us-gaap:EstimateOfFairValueFairValueDisclosure


Business
Period End2021-01-05
Value14
Percentage of BusinessCombinationContingentConsiderationLiability0.0

exas:ThriveEarlierDetectionCorporation, exas:AllocatedToConsiderationTransferred, us-gaap:EstimateOfFairValueFairValueDisclosure


Business
Period End2021-01-05
Value331
Percentage of BusinessCombinationContingentConsiderationLiability0.0

exas:ThriveEarlierDetectionCorporation, exas:AllocatedToPreviousOwnershipInterest, us-gaap:EstimateOfFairValueFairValueDisclosure


Business
Period End2021-01-05
Value6.4
Percentage of BusinessCombinationContingentConsiderationLiability0.0

us-gaap:BusinessCombinationContingentConsiderationLiability us-gaap:BusinessAcquisition, us-gaap:ContingentConsiderationByType, us-gaap:SubsequentEventType

exas:AshionAnalytics, exas:CommercialLaunchMilestone, us-gaap:SubsequentEvent


Business
Period End2021-04-14
Value20
Percentage of BusinessCombinationContingentConsiderationLiability0.0

exas:AshionAnalytics, exas:MRDProductRevenueMilestone, us-gaap:SubsequentEvent


Business
Period End2021-04-14
Value30
Percentage of BusinessCombinationContingentConsiderationLiability0.0

us-gaap:BusinessCombinationContingentConsiderationLiability us-gaap:BusinessAcquisition, us-gaap:FairValueByMeasurementBasis

exas:ThriveAndAshion, us-gaap:EstimateOfFairValueFairValueDisclosure


Business
Period End2021-06-30
Value359
Percentage of BusinessCombinationContingentConsiderationLiability99.3

exas:ThriveEarlierDetectionCorporation, us-gaap:EstimateOfFairValueFairValueDisclosure


Business
Period End2021-03-312021-01-05
Value334352
Percentage of BusinessCombinationContingentConsiderationLiability99.30.0

us-gaap:BusinessCombinationContingentConsiderationLiability us-gaap:CounterpartyName, us-gaap:SubsequentEventType

exas:ThriveEarlierDetectionCorporation, us-gaap:SubsequentEvent


Business
Period End2021-01-05
Value450
Percentage of BusinessCombinationContingentConsiderationLiability0.0

us-gaap:BusinessCombinationContingentConsiderationLiabilityCurrent us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:BusinessCombinationContingentConsiderationLiabilityCurrent

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring


Business
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value3613362.4772.6382.5512.7392.8793.06
Percentage of BusinessCombinationContingentConsiderationLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessCombinationContingentConsiderationLiabilityCurrent us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Business
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value3613362.4772.6382.5512.7392.8793.06
Percentage of BusinessCombinationContingentConsiderationLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessCombinationContingentConsiderationLiabilityMeasurementInput us-gaap:BusinessAcquisition, us-gaap:ContingentConsiderationByType, us-gaap:MeasurementInputType

us-gaap:BusinessCombinationContingentConsiderationLiabilityMeasurementInput

exas:BiomatricaInc, exas:RevenueAndOtherPerformanceBasedPayments, exas:MeasurementInputCounterPartyDiscountRate


Business
Period End2021-03-31
Value5.2
Percentage of BusinessCombinationContingentConsiderationLiabilityMeasurementInput100.0

exas:BiomatricaInc, exas:RevenueAndOtherPerformanceBasedPayments, exas:MeasurementInputVolumeDiscountRate


Business
Period End2021-03-31
Value13.1
Percentage of BusinessCombinationContingentConsiderationLiabilityMeasurementInput251.9

exas:BiomatricaInc, exas:RevenueAndOtherPerformanceBasedPayments, exas:MeasurementInputVolumeVolatility


Business
Period End2021-03-31
Value29.0
Percentage of BusinessCombinationContingentConsiderationLiabilityMeasurementInput557.7

us-gaap:BusinessCombinationContingentConsiderationLiabilityMeasurementInput us-gaap:Range, us-gaap:ContingentConsiderationByType, us-gaap:MeasurementInputType

srt:Maximum, exas:ProductDevelopmentAndOtherMilestoneBasedPayments, exas:MeasurementInputPresentValueFactor


Business
Period End2021-03-31
Value2.5
Percentage of BusinessCombinationContingentConsiderationLiabilityMeasurementInput48.1

srt:Minimum, exas:ProductDevelopmentAndOtherMilestoneBasedPayments, exas:MeasurementInputPresentValueFactor


Business
Period End2021-03-31
Value2.3
Percentage of BusinessCombinationContingentConsiderationLiabilityMeasurementInput44.2

srt:WeightedAverage, exas:ProductDevelopmentAndOtherMilestoneBasedPayments, exas:MeasurementInputPresentValueFactor


Business
Period End2021-06-302021-03-31
Value2.22.4
Percentage of BusinessCombinationContingentConsiderationLiabilityMeasurementInput0.046.2

srt:WeightedAverage, exas:ProductDevelopmentAndOtherMilestoneBasedPayments, exas:MeasurementInputProbabilityOfSuccess


Business
Period End2021-06-30
Value90.4
Percentage of BusinessCombinationContingentConsiderationLiabilityMeasurementInput0.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets

exas:AshionAnalytics


Business
Period End2021-04-14
Value56
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents

exas:AshionAnalytics


Business
Period End2021-04-14
Value2.474
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents100.0

exas:PFSGenomics


Business
Period End2021-06-23
Value0.496
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents0.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets

exas:AshionAnalytics


Business
Period End2021-04-14
Value425000.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables

exas:AshionAnalytics


Business
Period End2021-04-14
Value2.349
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable

exas:AshionAnalytics


Business
Period End2021-04-14
Value1477000.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther

exas:AshionAnalytics


Business
Period End2021-04-14
Value98000.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities

exas:GenomicHealthInc


Business
Period End2020-11-082019-11-08
Value209205
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities100.0100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill

exas:AshionAnalytics


Business
Period End2021-04-14
Value39
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill100.0

exas:PFSGenomics


Business
Period End2021-06-23
Value33
Percentage