ATRC


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

Table of contents



us-gaap:CommonStockValue
us-gaap:StatementEquityComponents
us-gaap:SharesOutstanding

us-gaap:CommonStockSharesIssued

us-gaap:CommonStockSharesOutstanding

us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:EarningsPerShareBasicAndDiluted

us-gaap:AllocatedShareBasedCompensationExpense
us-gaap:IncomeStatementLocation

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:CostOfGoodsAndServicesSold

us-gaap:CostOfRevenue

us-gaap:GrossProfit

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxesPaid

us-gaap:InterestExpense

us-gaap:InterestPaidNet

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:OperatingExpenses

us-gaap:OperatingIncomeLoss

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:ResearchAndDevelopmentExpense

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

us-gaap:Revenues

us-gaap:SellingGeneralAndAdministrativeExpense

us-gaap:Assets

us-gaap:Liabilities

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents

us-gaap:AssetsCurrent

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:ShortTermInvestments

us-gaap:AccountsReceivableNetCurrent

us-gaap:InventoryNet

us-gaap:PrepaidExpenseAndOtherAssetsCurrent
us-gaap:StatementGeographical
us-gaap:NoncurrentAssets

us-gaap:PropertyPlantAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AmortizationOfIntangibleAssets

us-gaap:PropertyPlantAndEquipmentNet
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:LongTermInvestments

us-gaap:Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OtherAssetsNoncurrent

us-gaap:AccountsPayableCurrent

us-gaap:AccruedLiabilitiesCurrent

us-gaap:LiabilitiesCurrent

us-gaap:LongTermDebtCurrent

us-gaap:OperatingLeaseLiabilityCurrent
us-gaap:BalanceSheetLocation

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:OtherLiabilitiesCurrent

us-gaap:TaxesPayableCurrent

us-gaap:LongTermDebtNoncurrent

us-gaap:LongTermDebtAndCapitalLeaseObligations

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:OperatingLeaseLiability

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax
us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueNewIssues
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:AmortizationOfFinancingCosts

us-gaap:IncreaseDecreaseInAccountsPayable

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:IncreaseDecreaseInInventories

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:ShareBasedCompensation

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:EffectiveIncomeTaxRateContinuingOperations
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:DeferredTaxAssetsNet

us-gaap:UnrecognizedTaxBenefits

us-gaap:DeferredTaxAssetsValuationAllowance
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:MeasurementInputType
atrc:BusinessCombinationContingentConsiderationLiabilityMeasurementInputPercent
us-gaap:Range, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:MeasurementInputType
us-gaap:Range, us-gaap:AwardType, us-gaap:PlanName
atrc:PerformanceStockAwardThresholdTargetAndMaximumPayoutOpportunityPercentage

atrc:RepaymentsOfDebtAndFinanceLeaseObligation
us-gaap:Range
atrc:RoyaltyRate

us-gaap:AccretionAmortizationOfDiscountsAndPremiumsInvestments

us-gaap:BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationAsset1

us-gaap:BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1

us-gaap:CapitalExpendituresIncurredButNotYetPaid
us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:VariableRate
us-gaap:DebtInstrumentBasisSpreadOnVariableRate1

us-gaap:Depreciation
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:EffectOfExchangeRateOnCashAndCashEquivalents

us-gaap:EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings

us-gaap:FinanceLeaseInterestExpense

us-gaap:FinanceLeaseInterestPaymentOnLiability

us-gaap:FinanceLeasePrincipalPayments

us-gaap:FinanceLeaseRightOfUseAssetAmortization
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsPeriodIncreaseDecrease

us-gaap:GainLossOnContractTermination

us-gaap:GainLossOnSaleOfPropertyPlantEquipment

us-gaap:IncomeLossFromContinuingOperationsPerBasicAndDilutedShare

us-gaap:IncreaseDecreaseInAccruedLiabilities

us-gaap:IncreaseDecreaseInOtherCurrentAssets

us-gaap:IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet

us-gaap:InvestmentIncomeInterest

us-gaap:LeaseCost
us-gaap:CreditFacility, us-gaap:DebtInstrument
us-gaap:LineOfCreditFacilityCommitmentFeePercentage
us-gaap:CreditFacility, us-gaap:DebtInstrument, us-gaap:VariableRate
us-gaap:LineOfCreditFacilityInterestRateDuringPeriod
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage

us-gaap:LossContingencyDamagesPaidValue

us-gaap:OperatingLeaseCost

us-gaap:OperatingLeasePayments
us-gaap:StatementEquityComponents
us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax

us-gaap:OtherOperatingActivitiesCashFlowStatement

us-gaap:PaymentsOfDebtIssuanceCosts

us-gaap:PaymentsOfStockIssuanceCosts

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:PaymentsToAcquireAvailableForSaleSecurities

us-gaap:ProceedsFromIssuanceOfCommonStock

us-gaap:ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities

us-gaap:ProceedsFromStockOptionsExercised
us-gaap:StatementEquityComponents
us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability

us-gaap:RoyaltyExpense
us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardDiscountFromMarketPricePurchaseDate

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumNumberOfSharesPerEmployee
us-gaap:AwardType, us-gaap:PlanName, us-gaap:Vesting
us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage
us-gaap:AwardType, us-gaap:Vesting
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesNewIssues
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation
us-gaap:StatementEquityComponents

atrc:AccruedSettlementCurrent
us-gaap:BusinessAcquisition
atrc:BusinessCombinationContingentConsiderationArrangementsMaximumSharesThatCanBeIssuedAfterClosing

atrc:CashPaymentObligationsOnDebtCurrent

atrc:CashPaymentObligationsOnDebtNoncurrent

atrc:DeferredTaxAssetsFinanceAndOperatingLeaseLiabilities

atrc:DeferredTaxLiabilitiesRightOfUseAssets

atrc:FinanceLeaseLiabilityPaymentsThereafter

atrc:LesseeOperatingLeaseLiabilityPaymentsThereafter

atrc:SalesReturnsAllowanceTrade

atrc:UnrecognizedTaxBenefitsThatWouldResultInAdjustmentToOtherTaxAccounts

us-gaap:AccruedBonusesCurrent

us-gaap:AccruedRoyaltiesCurrent

us-gaap:AccruedSalesCommissionCurrent

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:AvailableForSaleSecurities
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:InvestmentType
us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency, us-gaap:InvestmentType

us-gaap:BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh
us-gaap:BusinessAcquisition
us-gaap:BusinessAcquisition, us-gaap:ContingentConsiderationByType
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:BusinessCombinationContingentConsiderationLiability
us-gaap:FairValueByMeasurementFrequency

us-gaap:CashFDICInsuredAmount
us-gaap:PlanName
us-gaap:CommonStockCapitalSharesReservedForFutureIssuance
us-gaap:BusinessAcquisition
us-gaap:ContingentConsiderationClassifiedAsEquityFairValueDisclosure
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrumentFeeAmount
us-gaap:PlanName
us-gaap:DeferredCompensationArrangementWithIndividualCommonStockReservedForFutureIssuance
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DeferredFinanceCostsGross

us-gaap:DeferredTaxAssetsDeferredIncome

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsInventory

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsTaxCreditCarryforwardsResearch
us-gaap:IncomeTaxAuthority

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment

us-gaap:EmployeeRelatedLiabilitiesCurrent
us-gaap:AwardType
us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
us-gaap:AwardType
us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions
us-gaap:AwardType
us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue
us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FinanceLeaseLiability

us-gaap:FinanceLeaseLiabilityCurrent

us-gaap:FinanceLeaseLiabilityNoncurrent

us-gaap:FinanceLeaseLiabilityPaymentsDue

us-gaap:FinanceLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFour

us-gaap:FinanceLeaseLiabilityPaymentsDueYearThree

us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo

us-gaap:FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear

us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount

us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

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:InventoryFinishedGoodsNetOfReserves

us-gaap:InventoryRawMaterialsNetOfReserves

us-gaap:InventoryWorkInProcessNetOfReserves

us-gaap:InvestmentOwnedAtCost
us-gaap:InvestmentType

us-gaap:InvestmentOwnedAtFairValue
us-gaap:InvestmentType

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:LiabilitiesFairValueDisclosure
us-gaap:FairValueByMeasurementFrequency
us-gaap:CreditFacility, us-gaap:DebtInstrument
us-gaap:LineOfCreditFacilityCurrentBorrowingCapacity
us-gaap:CreditFacility, us-gaap:DebtInstrument
us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo

us-gaap:LossContingencyAccrualCarryingValueCurrent
us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent
us-gaap:IncomeTaxAuthority
us-gaap:OperatingLossCarryforwards
us-gaap:IncomeTaxAuthority, us-gaap:TaxPeriod

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization
us-gaap:PropertyPlantAndEquipmentByType
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice
us-gaap:AwardType
us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1

us-gaap:UndistributedEarningsOfForeignSubsidiaries
us-gaap:ValuationAllowancesAndReservesType
us-gaap:ValuationAllowancesAndReservesBalance

Plots across concepts


IncomeStatement
Comprehensive Income Net Of Tax
Expenses
Other Nonoperating Income Expense
Balance Sheet
Operating Lease Right Of Use Asset
Assets
Operating Lease Right Of Use Asset
Current Assets
Prepaid Expense And Other Assets Current
NonCurrent Assets
Other Assets Noncurrent
PropertyPlantAndEquipmentNet
Property Plant And Equipment Net
Liabilities
Operating Lease Liability
Current Liabilities
Other Accrued Liabilities Current
Noncurrent Liabilities
Operating Lease Liability Noncurrent
Stockholders Equity
Retained Earnings Accumulated Deficit
CashFlow
Net Income Loss
NetCashProvidedByUsedInOperatingActivities
Net Income Loss
NetCashProvidedByUsedInInvestingActivities
Net Cash Provided By Used In Investing Activities
OperatingLeaseLiability
Operating Lease Liability Current
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Undiscounted Excess Amount
FiniteLivedIntangibleAssets
Finite Lived Intangible Assets Accumulated Amortization
InventoryNet
Inventory Work In Process Net Of Reserves
AccountsReceivable
Allowance For Doubtful Accounts Receivable Current

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 █████▇▇▇▆▆▆▆▅▅▅▅▅▅▅▅▅▅▅▄▄▄▄▄▄▄▃▂▂▂▁▁▁▁▁▁▁0.0460.0460.0450.0450.0450.040.040.040.0390.0390.0390.0360.0350.0350.0350.0340.0340.0340.0330.0330.0330.0330.0320.0280.0280.0280.0280.0270.0270.0270.0230.0210.0210.0210.0170.0170.0170.0164850.0163690.0162670.016282NA0.015664NANA
 us-gaap:SharesOutstanding us-gaap:StatementEquityComponents us-gaap:CommonStock███▇▇▄▄▄▄▄▃▂▁▁▁45.88145.62345.34645.02144.93940.07739.65539.54738.76638.65838.60435.65335.31335.03934.586NANANA33.342NANANA32.274NANANA27.58NANANA23.248NANANA16.896NANANA16.369221NANANA15.663585NANA
us-gaap:CommonStockSharesIssued █████▇▇▇▇▇▇▆▆▆▆▆▆▆▆▆▆▆▆▅▅▅▅▅▅▅▅▄▄▁▄▄▄▄▃▃▃45.88145.62345.34645.02144.93940.07739.65539.54738.76638.65838.60435.65335.31335.03934.58634.47434.32633.94933.34233.24133.20333.08432.27428.44628.53728.36327.5827.47127.47127.40123.24821.01820.980.02090116.89616.67316.64416.48528116.36922116.26692516.28163NA15.663585NANA
us-gaap:CommonStockSharesOutstanding █████▇▇▇▇▇▇▆▆▆▆▆▆▆▆▆▆▆▆▅▅▅▅▅▅▅▅▄▄▁▄▄▃▄▃▃▃45.88145.62345.34645.02144.93940.07739.65539.54738.76638.65838.60435.65335.31335.03934.58634.47434.32633.94933.34233.24133.20333.08432.27428.44628.53728.36327.5827.47127.47127.40123.24821.01820.980.02090116.89616.67316.36916.48528116.36922116.26692516.28163NA15.663585NANA
us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted █▁45.03544.632NA44.01241.64938.671NA37.84237.33436.976NA33.60133.25232.926NA32.57632.28832.02NA31.70631.57531.358NA27.46227.30427.069NA26.91526.84924.766NA20.72520.65219.544NA16.27816.13216.016NA15.81115.613NANANANA
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount NA1.955NANANA2.889NANANA3.64NANANA4.216NANANA4.58NANANA4.48NANANA4.32NANANA3.762NANANA2.766NANANA3.083NANANANANANANA
us-gaap:EarningsPerShareBasicAndDiluted ▂▂▁▆▅▁▁▄▆▆▇▄█▃▇▄▅▃▄▅▄▃▂▄▅▅▅█▆▃▄▆▇▆▆▅▇▆▆▇▇▇█▇▇-0.36-0.38-0.42999999999999994-0.11-0.2-0.42-0.42999999999999994-0.25-0.11-0.15-0.08999999999999997-0.22-0.01-0.31-0.07999999999999996-0.22-0.21-0.32-0.27-0.21-0.26-0.31-0.37-0.22-0.18-0.19-0.19-0.02-0.1-0.31-0.24000000000000005-0.13-0.09-0.1-0.12999999999999995-0.16-0.08-0.1-0.12999999999999998-0.07-0.06-0.080.0-0.07-0.05
  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 █▇▇▆▇▅▆▅▅▅▆▅▄▅▄▄▄▄▄▄▄▃▃▃▃▂▂▂▂▃▂▁▁▁▁▂▂▁▁▁▁7.1416.6046.5165.5496.1934.3845.1614.2874.3754.1544.8294.2423.5343.893.6683.6223.6973.6282.9012.9273.0272.8422.4642.3922.4171.7241.8671.7161.8462.1421.0080.7340.820.5180.5271.1111.1410.6880.6880.7160.73NANANANA
us-gaap:ComprehensiveIncomeNetOfTax ▂▁▁▆▅▂▂▄▇▆▇▅█▄▇▅▆▄▅▆▅▅▄▆▆▆▆█▇▅▆▇█▇▇▇██▇███-16.32-17.247-18.307-4.796-7.961-16.621-15.878-9.584-3.969-5.722-3.493-7.273-0.548-10.056-2.536-7.209-6.537-10.108-8.644-6.742-8.412-9.397-11.035-6.088-4.636-5.716-5.104-0.876-2.731-7.709-5.156-2.655-1.78-2.087-1.951-2.47-1.433-1.566324-2.031-1.344-0.941-1.257472NANANA
us-gaap:CostOfGoodsAndServicesSold ██▁███▁███▁██▇▂▇▇▇▂▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▆▇▆▆▆▆17.29814.735-41.27914.42313.1714.341-43.2914.81715.01314.095-39.42213.99313.72312.491-34.27411.23212.67711.265-31.12310.86810.85410.02610.3188.9459.4668.1518.9957.7867.7337.196.2155.4615.3065.3445.3624.595.5574.72455.0229724.1366514.5020853.7442774.0829933.2991522.963673
us-gaap:CostOfRevenue █▇▇▇▆▇█▇▇▆▇▆▆▆▆▅▆▅▆▅▅▄▅▄▄▄▄▃▃▃▃▂▂▂▂▂▂▂▂▂▂▁▂▁▁17.29814.73515.28814.42313.1714.34116.54714.81715.01314.09514.30313.99313.72312.49113.37911.23212.67711.26512.2610.86810.85410.02610.3188.9459.4668.1518.9957.7867.7337.196.2155.4615.3065.3445.3624.595.5574.72455.0229724.1366514.5020853.7442774.0829933.2991522.963673
us-gaap:GrossProfit █▆▆▆▄▆▆▆▆▆▅▅▅▅▅▄▄▄▄▄▄▃▃▃▃▃▃▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁54.07844.5442.43740.33427.65438.88444.77441.79743.89339.87138.5935.94838.07934.50332.68330.91832.55430.00828.89727.47228.81825.91425.54522.47823.11721.73520.4218.89218.78117.65715.66914.68515.12314.08613.00211.54912.71112.75180211.7411.08541712.27747811.89280412.3059711.17396111.228639
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest ▂▂▁▆▅▂▂▅▇▆▇▅█▄▇▅▅▄▅▅▅▄▄▆▆▆▆█▇-16.185-16.886-18.464-4.953-8.224-16.4-16.048-9.287-4.091-5.569-3.351-7.184-0.29-10.086-2.632-7.22-6.866-10.16-8.609-6.781-8.189-9.719-10.898-6.135-4.883-5.26-5.347-0.462-2.687NANANANANANANANANANANANANANANANA
us-gaap:IncomeTaxExpenseBenefit ▇▅█▃▄▄▆▇▄▇▇▆▆▆▁▅▄▄▄▄▄▄▄▄▄▄▃▄▄▅▄▄▄▄▅▄▄▄▄▄▄▄▄▃▃0.0660.0310.098-0.0040.0120.0080.0480.0750.010.0660.0790.0510.0480.048-0.0520.0260.0170.0230.0160.0020.0170.0050.0160.0060.0080.006-0.0030.0040.0050.0270.0040.0040.0050.0050.030.0110.0060.0025590.0048140.0123680.0092050.0045010.0192870.0014440.000109
us-gaap:IncomeTaxesPaid ▅▄▃▁▆█▄▄▄▇▄▃0.0810.0470.011-0.0760.0950.1870.0320.0420.0490.1360.020.0NANA0.0NANANA0.0NANANA0.00.0NANA0.00.00.00.1460.00.00.00.030.00.0020.00050.01150.0050.00770.002780.0150.0080.0NA
us-gaap:InterestExpense ▇▇▇████▇▆▆██▇▅▄▄▄▄▄▄▃▂▂▁▁▁▁▁▁▂▂▂▂▂▂▂▂▂▂▂▂▃▂▂▂1.1971.1891.1941.2321.2311.2281.2571.1130.8790.8621.321.2461.2210.820.570.5760.5640.5540.5350.530.4770.2590.2410.0160.0170.0180.0150.0240.0290.2370.1380.1230.1320.1730.1860.190.2010.2242590.1633940.1702230.1722920.3085140.1837140.1999780.214867
us-gaap:InterestPaidNet ▅▅▅▅▅▅▅▄▄▄▅█▃▁▂▂▂▁▁▁1.0811.0661.081.0911.0941.1011.080.8930.8320.9141.1271.5330.7940.4160.5050.5120.4970.4880.4630.466NANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:NetIncomeLoss ▂▂▁▆▅▂▂▄▆▆▇▅█▄▇▅▅▄▅▅▅▄▄▆▆▆▆█▇▅▆▇▇▇▇▇▇▇▇██████-16.251-16.917-18.562-4.949-8.236-16.408-16.096-9.362-4.101-5.635-3.43-7.235-0.338-10.134-2.58-7.246-6.883-10.183-8.625-6.783-8.206-9.724-10.914-6.141-4.891-5.266-5.344-0.466-2.692-7.709-4.98-2.748-1.791-1.943-2.02-2.567-1.326-1.61978-2.08-1.156336-0.94665-1.2730460.011544-1.02931-0.764506
 us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents us-gaap:RetainedEarnings▂▂▁▆▅▂▂▅▇▆▇▅█▄-16.251-16.917-18.562-4.949-8.236-16.408-16.096-9.362-4.101-5.635-3.43-7.235-0.338-10.134NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OperatingExpenses █▇▇▅▄▆▇▆▅▅▅▅▄▅▄▄▄▄▄▄▄▄▄▃▃▃▃▂▂▃▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁69.15560.42559.9444.32534.93954.33860.150.43447.73245.19141.19741.99637.12143.93334.81837.76538.90939.6536.59233.75836.55635.33336.17528.60527.93626.87925.19919.69521.63425.58220.50717.29916.76215.88614.85414.07814.03114.24778813.43534612.27596813.04864712.96699912.54373612.0048511.661499
us-gaap:OperatingIncomeLoss ▂▂▁▆▅▂▂▄▆▆▇▅█▄▇▅▅▄▅▅▅▄▄▅▆▆▆▇▇▅▆▇▇▇▇▇▇▇▇▇▇▇█▇▇-15.077-15.885-17.503-3.991-7.285-15.454-15.326-8.637-3.839-5.32-2.607-6.0480.958-9.43-2.135-6.847-6.355-9.642-7.695-6.286-7.738-9.419-10.63-6.127-4.819-5.144-4.779-0.803-2.853-7.925-4.838-2.614-1.639-1.8-1.852-2.529-1.32-1.495986-1.695-1.190551-0.771169-1.074195-0.237766-0.830889-0.43286
us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax ▆▃█▇▆▄▇▃▆▄▅▅▃▆▅▅█▆▅▆▃█▄▅▇▁▇▂▅▅▄▆▅▄▇▅▅▆▃▅▅0.063-0.2990.3270.2380.101-0.150.197-0.2550.115-0.153-0.031-0.046-0.2110.0860.0430.0290.3420.073-0.0020.06-0.2190.286-0.080.0360.253-0.4870.255-0.39-0.0280.002-0.1650.0880.012-0.1440.192-0.042-0.0390.055-0.2730.0180.04NANANANA
us-gaap:OtherNonoperatingIncomeExpense ▅▅▅▅▅▄▅▄▅▄▄▅▄▅▅▆▅▅▂▅▅▄▄▅▄▄▁▇▆█▅▅▅▅▅▆▆▆▃▆▅▆█▅▄-0.0140.0540.0460.0240.029-0.1230.07-0.114-0.009-0.107-0.08-0.041-0.150.0880.0060.1450.005-0.018-0.44-0.032-0.034-0.08-0.075-0.048-0.09-0.141-0.5850.3380.1720.466-0.008-0.009-0.0170.0310.0450.160.1990.101294-0.2191420.2120310.0016140.1099140.448249-0.002221-0.122951
us-gaap:ResearchAndDevelopmentExpense ▇▇▇▆▆▇█▆▆▅▅▅▅▅▄▅▅▆▆▅▅▅▅▄▃▃▃▃▂▂▂▂▁▂▁▁▁▂▁▁▁▁▂▁▁12.19711.21710.87110.57610.03611.58713.09610.1549.8048.1768.4558.5568.6559.0577.7217.9668.9079.559.8668.2719.1248.5637.7676.5045.8625.6094.9975.0334.5694.0013.6483.2373.0493.5062.9672.9052.8853.3889252.9644243.0691742.8788762.9443473.5134062.9370432.422443
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax █▇▆▆▄▆▇▆▆▆▆▅▆▅▅▄▅▄▄▄▄▄▄▃▃▃▃▃▃▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁71.37659.27557.72554.75740.82453.22561.32156.61458.90653.96652.89349.94151.80246.99446.06242.1545.23141.27341.15738.3439.67235.9435.86331.42332.58329.88629.41526.67826.51424.84721.88420.14620.42919.4318.36416.13918.26817.47630216.76315.22206816.77956315.63708116.38896314.47311314.192312
us-gaap:Revenues █▇▆▆▄▆▇▆▆▆▆▅▆▅▅▄▅▄▄▄▄▄▄▃▃▃▃▃▃▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁71.37659.27557.72554.75740.82453.22561.32156.61458.90653.96652.89349.94151.80246.99446.06242.1545.23141.27341.15738.3439.67235.9435.86331.42332.58329.88629.41526.67826.51424.84721.88420.14620.42919.4318.36416.13918.26817.47630216.76315.22206816.77956315.63708116.38896314.47311314.192312
us-gaap:SellingGeneralAndAdministrativeExpense █▇▇▅▃▆▇▆▅▅▄▅▄▅▄▄▄▄▄▃▄▄▄▃▃▃▃▂▂▃▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁56.95849.20849.06933.74924.90342.75147.00440.2837.92837.01532.74233.4428.46634.87627.09729.79930.00230.126.72625.48727.43226.7728.40822.10122.07421.2720.20214.66217.06521.58116.85914.06213.71312.3811.88711.17311.14610.85886310.4709229.20679410.16977110.0226529.030339.0678079.239056
  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 █████▆▆▆▄▄▄▃▃▃▃▃▃▃▄▄▄▃▃▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁701.075699.902714.539707.797704.233527.734557.88560.756343.12338.36356.759271.962270.847269.702267.704268.451268.51266.423276.421279.316281.513261.71273.092165.642159.309153.406158.404157.14155.933158.554111.94757.63757.48158.12732.43133.74436.02436.5880833.8588934.12052536.136844NA33.715714NANA
us-gaap:Liabilities ███▇▇███▃▃▃▃▃▃▃▃▃▃▃▃▃▂▃▂▁▁▁▁▁▁▂▁▁▁▁▁▁▁▁▁▁315.992308.659302.145290.265287.371300.368310.537302.535101.57299.068107.378108.194111.16116.579106.538109.532107.009105.565107.979105.882104.51380.68386.40740.15830.61824.84725.86622.10521.71324.29139.34321.39219.34119.52719.93120.18321.08821.93630318.24418618.02839119.2156NA16.979784NANA
us-gaap:LiabilitiesAndStockholdersEquity █████▆▆▆▄▄▄▃▃▃▃▃▃▃▄▄▄▃▃▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁701.075699.902714.539707.797704.233527.734557.88560.756343.12338.36356.759271.962270.847269.702267.704268.451268.51266.423276.421279.316281.513261.71273.092165.642159.309153.406158.404157.14155.933158.554111.94757.63757.48158.12732.43133.74436.02436.5880833.8588934.12052536.136844NA33.715714NANA
us-gaap:StockholdersEquity ▇████▅▅▅▅▅▅▄▄▃▄▄▄▄▄▄▄▄▄▃▃▃▃▃▃▃▂▁▁▁▁▁▁▁▁▁▁385.083391.243412.394417.532416.862227.366247.343258.221241.548239.292249.381163.768159.687153.123161.166158.919161.501160.858168.442173.434177.0181.027186.685125.484128.691128.559132.538135.035134.22134.26372.60436.24538.1438.612.513.56114.93614.65177715.61470416.09213416.921244NA16.73593NANA
  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 ▆████▃▄▄▄▄▅▃▂▂▂▂▂▂▂▂▂▂▂▂▃▃▃▃▃▃▂▂▂▂▁▁▁▁▁▁▁235.944298.304306.737296.212292.034127.024143.16137.853146.525155.019174.67388.42986.76584.76982.25882.14681.11179.10985.71784.4186.46565.39374.75284.11390.73993.41593.50890.72192.765107.24852.48748.55753.46654.35728.53930.11931.42833.10963131.19272631.74018733.046565NA30.648405NANA
us-gaap:CashAndCashEquivalentsAtCarryingValue ▆█▄▃█▃▃▃▃▂▃▂▂▂▃▂▂▂▃▂▂▂▃▃▃▃▃▄▄▆▂▃▃▃▁▁▁▂▂▁▁▁▁▁▁67.61985.3841.94433.38188.52221.76628.48333.18225.24720.7232.23117.99913.86621.22921.80919.44421.01319.15424.20816.10719.91720.76823.76428.71429.98723.55928.38435.52641.97868.63914.89225.82131.04430.7847.7538.2038.6611.418369.7589033.4315134.1119217.6857464.2307093.5260916.854106
us-gaap:ShortTermInvestments ▄▆██▆▃▃▃▃▄▄▂▂▁▁▁▁▁▂▂▂▁▁▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁92.246141.825202.274199.688143.97646.77153.31846.55765.59479.9192.17122.2223.20214.80912.64214.94213.96515.31119.80125.23622.512.55610.81419.71224.49232.17431.26523.90821.22310.71611.3193.8643.8985.2454.2474.8454.7953.8711474.42376311.78733611.798678NA8.340028NANA
us-gaap:AccountsReceivableNetCurrent █▇▅▆▅▅▆▆▆▆▆▅▅▅▅▅▅▅▄▄▅▄▄▃▃▄▃▃▃▃▂▂▂▂▁▁▁▁▁▁▁33.83529.74123.14625.44822.89222.13128.04626.79827.95526.66225.19523.2924.89522.32523.08322.5823.1121.66121.09421.06621.35419.44619.40916.64317.5919.78617.55815.17715.05814.71313.65211.03111.34411.1359.9489.39110.3839.723099.5138948.8528349.898929NA9.480064NANA
us-gaap:InventoryNet ██▇▇▇▇▆▆▅▅▅▅▅▅▅▅▄▄▄▄▄▄▄▃▃▃▃▃▃▂▂▁▁▁▁▁▁▁▁▁▁37.60836.14435.02634.32632.80932.06329.41427.78924.43224.12222.48422.25821.68222.57122.45122.56519.94318.83817.6618.98519.31119.01517.65916.56716.07315.10614.25714.56312.66611.08210.2147.0626.0285.6935.7186.8786.4917.037286.5631386.543086.009527NA5.680033NANA
us-gaap:PrepaidExpenseAndOtherAssetsCurrent ▆█▆▃▄▆▄▃▃▄▁4.6365.2144.3473.3693.8354.2933.8993.5273.2973.6052.592NANANA2.273NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  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:NoncurrentAssets us-gaap:StatementGeographical srt:Europe▅▅▇▇█▁▃1.4931.511.6931.7461.8051.0221.228NANANA1.2961.148NANA0.957NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:PropertyPlantAndEquipmentGross NANA65.133NANANA65.708NANANA54.353NANANA50.486NANANA44.138NANANA38.697NANANA19.239NANANA12.473NANANA9.698NANANA8.631NANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType atrc:ComputerAndOtherOfficeEquipmentNANA8.045NANANA7.606NANANA6.36NANANA5.873NANANA5.321NANANA4.303NANANA2.436NANANA1.522NANANA1.538NANANA1.236NANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType atrc:EquipmentUnderFinanceLeasesNANA0.409NANANA0.483NANANA0.213NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType atrc:MachineryEquipmentAndVehiclesNANA6.697NANANA5.905NANANA4.859NANANA4.576NANANA3.731NANANA2.551NANANA2.604NANANA9.917NANANA7.489NANANA6.424NANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:ConstructionInProgressNANA2.067NANANA5.708NANANA1.868NANANA1.81NANANA0.539NANANA1.978NANANA4.642NANANA0.411NANANA0.068NANANA0.207NANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:ElectricGenerationEquipmentNANA18.669NANANA20.167NANANA18.158NANANA15.754NANANA13.087NANANA10.041NANANA8.578NANANA6.896NANANANANANANANANANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:FurnitureAndFixturesNANA5.849NANANA5.009NANANA4.702NANANA4.366NANANA3.676NANANA3.211NANANA0.488NANANA0.208NANANA0.212NANANA0.347NANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:LeaseholdImprovementsNANA8.645NANANA6.078NANANA3.943NANANA3.636NANANA3.319NANANA2.151NANANA0.329NANANA0.262NANANA0.165NANANA0.15NANANANANANA
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment NANA36.843NANANA33.062NANANA27.273NANANA21.737NANANA14.143NANANA7.418NANANA7.687NANANA6.83NANANA6.268NANANA6.28NANANANANANA
us-gaap:AmortizationOfIntangibleAssets █▃▃▅▆▆▆▆▆▆▂▄▄▄▄▄▄▄▅▅▅▅▅▄▄▄▄▄▄▄▁▁▁▁▁▁▁▁▁▁▁▁▁▁0.7270.2380.2380.4670.4880.4890.4890.4860.4840.4840.1430.3420.3420.3420.3410.3420.3420.3420.4110.4110.4110.4110.3950.3020.3030.3030.3550.3550.3560.3550.0030.0030.0030.0030.0040.0030.0030.0031250.0031250.0080.0170.0168750.0168750.040653NA
us-gaap:PropertyPlantAndEquipmentNet ▇▇▇▇▇███▇▇▇▇▇▇▇▇▇▇▇████▇▅▄▃▃▂▂▂▁▁▁▁▁▁▁▁▁▁30.17527.63328.2929.08930.23632.32432.64630.78828.09527.0527.0827.96428.12628.54928.74929.26729.95929.9329.99530.74230.90231.15531.27927.45519.35213.87411.5529.8426.4625.7695.6434.1353.6853.4553.433.2052.6532.5438652.350762.1109162.28164NA2.723227NANA
us-gaap:LongTermInvestments █▁▂▂▂69.779.12714.17816.51615.339NA12.675NANANANANANANANANANANA3.06.0175.5256.157.70610.3815.2092.0258.89411.74911.387NA7.914NANANA0.0NANANA0.0NANANANANANA
us-gaap:Goodwill ████████▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▁▁▁▁▁▁▁▁234.781234.781234.781234.781234.781234.781234.781236.316105.257105.257105.257105.257105.257105.257105.257105.257105.257105.257105.257105.257105.257105.257105.25735.38635.38635.38635.38635.38635.38635.38635.386NANANA0.0NANANANANANANANANANA
us-gaap:IntangibleAssetsNetExcludingGoodwill ████████▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁127.234127.961128.199128.437128.904129.392129.881130.3748.28648.7749.25449.73850.0850.42250.76451.10551.44751.78952.13152.54252.95353.36453.775NANANA8.8789.2339.5889.94410.2990.0230.0260.0290.0320.0360.0390.0416660.0447910.0479160.055625NA0.089375NANA
us-gaap:FiniteLivedIntangibleAssetsNet █▁▁▁44.9341.641.8782.116NANANANANANANANANANANANANANANANANANANA7.978.2728.5758.8789.2339.5889.94410.2990.0230.026NA0.032NANANA0.045NANANA0.089NANA
us-gaap:OperatingLeaseRightOfUseAsset ▄▁▂▃▃▇▇█▁▁2.6831.6221.9142.3632.5733.7394.0324.3131.6241.778NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherAssetsNoncurrent ▅▅▄▄▄▅▇█▅▅▅▆▆▇▇▇█▃▃▃▄▄▃▃▃▁▂▂▃▂▂▂▃▃▄▄▄▃▃▂▂0.4880.4740.440.3990.3660.4740.7050.7620.4730.4860.4950.5740.6190.7050.6760.6760.7360.3380.3210.3480.4110.3910.3230.3370.3510.1310.1860.2090.3450.2070.2180.2440.3040.2860.430.3840.4050.2929180.2706130.2215060.243333NA0.254707NANA
  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 █▇▅▆▅█▇▆▅▄▄▄▄▅▅▄▅▅▄▄▅▅▅▅▄▄▃▃▃▃▃▂▁▁▁▁▁▁▁▁▁16.49615.45912.73613.55412.46717.30214.94813.96612.59210.3759.65910.5879.6711.58312.43110.79111.69711.25910.67310.9911.92612.80112.74411.1749.3449.6597.6217.7857.5227.9218.6055.725.1965.4295.1034.7954.8475.2290965.2700844.8307215.18466NA4.511516NANA
us-gaap:AccruedLiabilitiesCurrent █▇▇▅▄▄█▇▅▄▆▅▄▄▅▅▄▃▄▄▃▃▅▄▃▂▄▃▂▂▄▂▂▁▁▁▁▁▁▁▁32.44429.69627.98419.1317.88418.15532.7528.15819.88517.05125.8421.59817.16114.71418.91118.18814.70713.66116.46715.00812.7912.93118.39414.3211.568.97414.04111.5669.3178.05416.078.5186.1765.2355.0734.7754.8564.5454123.995883.6060513.884282NA6.330405NANA
us-gaap:LiabilitiesCurrent █▇▆▅▄▅▆▅▅▄▅▄▃▃▄▄▄▃▃▃▃▃▄▅▃▃▃▂▂▂▃▂▁▁▁▁▁▁▁▁▁67.43358.46349.13744.75438.05239.07149.91644.28239.43235.46540.21633.74427.4226.87231.90336.07231.69528.40928.82826.4925.18926.19431.58839.06530.14124.62925.64321.89216.8816.01326.71316.27513.40312.69412.20511.60411.74211.81843610.8088129.97152610.602841NA13.035277NANA
us-gaap:LongTermDebtCurrent NANA6.667NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OperatingLeaseLiabilityCurrent ▃▁▂▆▅██0.9730.7960.9271.2711.2071.4191.465NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherAccruedLiabilitiesCurrent ▃▃▃▃▂▂▁▆▆▅▇▅▅▄▅█▅▅▆▆▆▅▅▂▄▂▃▃▃▃▇▃▃▃▃▄▄0.3620.3840.4060.4020.2510.2670.0591.0190.9980.8611.2050.7160.7010.6130.6951.3190.8360.8620.9291.0190.9360.8070.7230.2980.5350.2760.3990.410.3880.5061.1050.4050.4770.3930.4830.5580.573NA0.601NANANANANANA
us-gaap:OtherLiabilitiesCurrent █▆▄▅▃▂▁▁▃▄▂18.49313.3088.41712.077.7013.6142.2182.1586.9558.0394.717NANANA0.561NANANANA0.4920.4730.4620.4513.571NANA3.981NANANANANANANANANANANANANANANANANANA
us-gaap:TaxesPayableCurrent ▆▅▅▄▄▄▆▄▃▃▃▂▂▂▂▃▃▄▅▃▃█▃▃▃▃▅▄▂▂▃▂▁▁▁▁▁1.6161.3291.2561.1651.1361.1711.6581.1170.8070.870.8860.5510.5230.6190.6340.870.7761.1081.2890.9570.8592.2140.9120.7250.7350.8141.2721.1430.4690.6190.9070.4560.360.3570.3660.2740.362NA0.449NANANANANANA
  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:LongTermDebtNoncurrent ▅▆▇▆▇███▄▃▄▄▅▅▂▁▁▂▂43.66948.55253.43549.98554.15458.32359.63459.51733.88632.73735.57138.55439.39939.31324.118.68920.42122.15423.886NANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LongTermDebtAndCapitalLeaseObligations NANA53.333NANANANANANANANANANANANANANANANANANANANANANANA0.0740.0550.0650.0694.4124.9225.3915.8996.4076.8667.3667.8727124.9257755.2860275.670042NA0.661624NANA
us-gaap:OtherLiabilitiesNoncurrent ████████▂▂▂▂▂▂▂▃▃▃▃▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁192.517189.929187.424183.03182.207188.871186.417183.99815.2717.52419.41923.5631.84937.76837.77441.86141.84541.81841.94640.94640.85140.89741.1091.0250.4090.1390.1490.1584.7688.2098.2180.1950.5470.9341.3191.7131.982.2451552.5095992.7708382.942717NA3.282883NANA
us-gaap:OperatingLeaseLiabilityNoncurrent ▄▁▂▂▃▆▇█▂▂1.8330.9661.181.3241.5812.5262.7963.0761.151.338NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo █▁▇▇0.6880.2390.6370.628NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree █▁▁▁0.6150.2460.2390.23NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour █▂▂▁0.3540.2530.2460.237NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive NANA0.253NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  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 ▇████▅▅▅▅▅▅▄▄▃▄▄▄▄▄▄▄▄▄▃▃▃▃▃▃▃▂▁▁▁▁▁▁▁▁▁▁385.083391.243412.394417.532416.862227.366247.343258.221241.548239.292249.381163.768159.687153.123161.166158.919161.501160.858168.442173.434177.0181.027186.685125.484128.691128.559132.538135.035134.22134.26372.60436.24538.1438.612.513.56114.93614.65177715.61470416.09213416.921244NA16.73593NANA
us-gaap:CommonStockValue █████▇▇▇▆▆▆▆▅▅▅▅▅▅▅▅▅▅▅▄▄▄▄▄▄▄▃▂▂▂▁▁▁▁▁▁▁0.0460.0460.0450.0450.0450.040.040.040.0390.0390.0390.0360.0350.0350.0350.0340.0340.0340.0330.0330.0330.0330.0320.0280.0280.0280.0280.0270.0270.0270.0230.0210.0210.0210.0170.0170.0170.0164850.0163690.0162670.016282NA0.015664NANA
us-gaap:AdditionalPaidInCapitalCommonStock █████▅▅▅▄▄▄▃▃▃▃▃▃▂▂▂▂▂▂▁▁▁▁748.644738.484742.389729.22723.754526.302529.658524.658498.402492.177496.544407.442396.088388.976386.963382.181377.554370.374367.851364.199361.023356.638352.9280.668277.787273.019271.282NANANANANANANANANANANANANANANANANANA
us-gaap:RetainedEarningsAccumulatedDeficit ▁▁▂▂▃▃▃▄▄▄▄▄▄▄▅▅▅▅▅▆▆▆▆▇▇▇▇▇▇▇▇██████████-363.52-347.269-330.352-311.79-306.841-298.605-282.197-266.101-256.739-252.638-247.003-243.574-236.338-236.0-225.866-223.286-216.04-209.157-198.974-190.349-183.566-175.36-165.636-154.722-148.581-143.69-138.424-133.08-132.614-129.922-122.213-117.233-114.485-112.694-110.751-108.731-106.163-104.836876-103.217096-101.137628-99.981292NA-97.761593NANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▅▆█▆▅▄▅▄▅▄▅▅▅▇▆▆▆▄▃▃▃▄▂▃▃▁▄▂▅▅▅▆▆▆▇▆▅▆▆▅▇-0.087-0.0180.3120.057-0.096-0.371-0.158-0.376-0.154-0.286-0.199-0.136-0.0980.1120.034-0.01-0.047-0.393-0.468-0.449-0.49-0.284-0.611-0.49-0.543-0.798-0.348-0.588-0.178-0.139-0.1390.037-0.056-0.0670.0770.007-0.090.015939-0.037517-0.0868310.100536NA0.079625NANA
 us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss▁▄▅▆█▄▆▅▄▄▃▃▃▃▃▃▃▃▃▃▄▃▃▃▃▃▂▃▃▃▃▃▃▃▃▃▃-0.1090.0230.0540.1260.2110.0370.10.0790.0460.029-0.037-0.005-0.013-0.014-0.006-0.007-0.015-0.019-0.021-0.0040.0150.002-0.0390.002-0.015-0.017-0.054-0.039-0.019-0.008-0.0060.0050.00.0010.0010.0010.0NA0.002NANANANANANA
 us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents us-gaap:AccumulatedTranslationAdjustment▆▆█▆▄▄▅▃▅▄▅▅▆▇▇▆▆▄▃▃▃▄▂▃▃▁▄▃▅▅▅▆▆▆▇▆▆0.022-0.0410.258-0.069-0.307-0.408-0.258-0.455-0.2-0.315-0.162-0.131-0.0850.1260.04-0.003-0.032-0.374-0.447-0.445-0.505-0.286-0.572-0.492-0.528-0.781-0.294-0.549-0.159-0.131-0.1330.032-0.056-0.0680.0760.006-0.09NA-0.039NANANA0.08NANA
us-gaap:StockIssuedDuringPeriodValueNewIssues NANA0.00.0188.958NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementEquityComponents us-gaap:AdditionalPaidInCapitalNANA0.00.0188.953NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementEquityComponents us-gaap:CommonStockNANA0.00.00.005NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  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 ▅▃██▂▁▅▅█▂▇█▆▃▇▆▆▃-4.533-9.3163.9543.812-11.548-16.087-3.529-2.593.746-13.4380.9855.213-0.935-9.4341.5280.131-1.057-9.546NANANANANANANANANANANANA-3.0640.674-0.258-2.574-0.191-0.463-0.198389-1.083611-1.126976-0.3555490.367673-0.8715741.5336630.317073NA
us-gaap:NetCashProvidedByUsedInInvestingActivities ▅█▅▃▁▆▅▅▅▆▃▅▅▅▆▅▅▆-16.05963.587-1.98-58.737-112.81217.331-2.601-9.633-0.9311.017-70.826-0.601-9.732-4.2451.065-2.599-0.4315.726NANANANANANANANANANANANA-7.937-5.3790.614-1.449-0.0110.477-2.565834-0.6971666.9327120.306471-4.5843730.069402-0.685526-3.302118NA
us-gaap:NetCashProvidedByUsedInFinancingActivities ▁▁▂▁█▁▁▂▁▁▄▁▁▂▁▁▁▁2.818-10.7076.453-0.301191.074-7.8341.35420.2931.696-8.9784.129-0.433.41413.063-0.2090.8823.311-1.224NANANANANANANANANANANANA0.278-0.507-0.0827.137-0.254-0.5230.0012893.4377110.422705-0.5851140.6776844.331905-0.117462-0.406875NA
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▃▇▅▁█▄▄▅▄▄▅▄-17.76143.4368.563-55.14166.756-6.717-4.6997.9354.527-11.51114.2324.133NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  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 ▆▆▄▇▇▇▇▆▃▃█▆▆▅▃▃▃▃▃▃▄▁▁▁▁▁▁▁▁▃▂▁▂▁▁▁▁▃▂▂▁▂▂▂0.1250.1240.0860.1410.1410.1410.1420.1240.0540.0550.1740.1240.1240.0930.0660.0660.0660.0660.0660.0660.0710.0150.0150.0150.0150.0160.0140.0190.0210.0590.0460.0230.0250.0210.0190.0120.0167230.0522770.0249770.0249770.0208110.0261510.0324170.027148NA
us-gaap:IncreaseDecreaseInAccountsPayable ▆█▄▇▁█▇▄▇▆▄▆▃▅▆▅▅▆▅▄▄▆▇▆▄▇▅▆▅▅▆▆▅▆▆▅▅▅▆▅▆▅▅▆0.7362.835-1.0451.455-4.4922.5222.088-1.7051.9690.438-0.9060.94-2.024-0.4081.235-0.510.2120.353-0.316-0.887-0.9031.0341.8321.053-0.9962.124-0.4050.397-0.405-0.5311.0180.382-0.2330.2780.335-0.083-0.319139-0.0648610.481571-0.3522240.727452-0.0693-0.2427060.888284NA
us-gaap:IncreaseDecreaseInAccountsReceivable ▇█▃▆▅▁▅▄▅▅▅▄▆▄▅▄▅▄▄▄▅▄▅▄▃▆▆▄▄▅▄▄▄▅▅▄▅▄▅▄▅▄▅▅4.1036.696-2.4122.4520.748-5.8751.156-0.8141.3121.5472.11-1.2192.729-0.7830.434-0.6431.2760.3970.205-0.121.927-0.031.471-1.039-2.2172.6852.3830.3370.4031.0450.199-0.4140.2321.2310.542-1.0410.7387220.1772780.704512-0.9731230.647276-0.1797180.7406730.920692NA
us-gaap:IncreaseDecreaseInInventories ▆▅▄▆▄█▆▆▄▆▄▄▂▃▃█▅▅▁▂▄▅▄▄▅▅▃▇▆▅▅▅▄▃▁▄▂▄▃▄▃▄▁▄1.4431.2640.5191.3440.6742.7281.5081.6770.2671.6990.2560.593-0.7460.043-0.1552.5380.9491.145-1.155-0.3610.3631.2320.4890.4840.8731.104-0.2122.0981.5950.8620.9750.9930.3190.001-1.1840.358-0.4886290.4496290.0431910.611391-0.0231750.292105-0.9359820.53868NA
us-gaap:NetCashProvidedByUsedInOperatingActivities ▅▃██▂▁▅▅█▂▇█▆▃▇▆▆▃-4.533-9.3163.9543.812-11.548-16.087-3.529-2.593.746-13.4380.9855.213-0.935-9.4341.5280.131-1.057-9.546NANANANANANANANANANANANA-3.0640.674-0.258-2.574-0.191-0.463-0.198389-1.083611-1.126976-0.3555490.367673-0.8715741.5336630.317073NA
us-gaap:NetIncomeLoss ▂▂▁▆▅▂▂▄▆▆▇▅█▄▇▅▅▄▅▅▅▄▄▆▆▆▆█▇▅▆▇▇▇▇▇▇▇▇██████-16.251-16.917-18.562-4.949-8.236-16.408-16.096-9.362-4.101-5.635-3.43-7.235-0.338-10.134-2.58-7.246-6.883-10.183-8.625-6.783-8.206-9.724-10.914-6.141-4.891-5.266-5.344-0.466-2.692-7.709-4.98-2.748-1.791-1.943-2.02-2.567-1.326-1.61978-2.08-1.156336-0.94665-1.2730460.011544-1.02931-0.764506
 us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents us-gaap:RetainedEarnings▂▂▁▆▅▂▂▅▇▆▇▅█▄-16.251-16.917-18.562-4.949-8.236-16.408-16.096-9.362-4.101-5.635-3.43-7.235-0.338-10.134NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:ShareBasedCompensation █▇▇▆▇▅▆▅▅▅▆▅▄▅▄▄▄▄▄▄▄▃▃▃▃▂▂▂▂▃▂▁▁▁▁▂▂▁▁▁▁▁▁▁7.1416.6046.5165.5496.1934.3845.1614.2874.3754.1544.8294.2423.5343.893.6683.6223.6973.6282.9012.9273.0272.8422.4642.3922.4171.7241.8671.7161.8462.1421.0080.7340.820.5180.5271.1121.1409260.6880740.6895970.7113340.734650.8034070.6277450.705125NA
  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 ▅█▅▃▁▆▅▅▅▆▃▅▅▅▆▅▅▆-16.05963.587-1.98-58.737-112.81217.331-2.601-9.633-0.9311.017-70.826-0.601-9.732-4.2451.065-2.599-0.4315.726NANANANANANANANANANANANA-7.937-5.3790.614-1.449-0.0110.477-2.565834-0.6971666.9327120.306471-4.5843730.069402-0.685526-3.302118NA
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment ▇▃▂▂▂▃▇▅▅▃▂▃▃▄▂▃▃▃▃▃▃▅█▇▄▃█▃▃▂▂▂▂▁▂▂▂▂▂▁▁▁▁▁4.2131.3261.0521.2631.1121.8324.3573.3692.7471.7091.0831.6551.3872.0861.2491.6471.761.7281.591.7611.5372.8045.1584.212.6431.4344.8181.9141.4551.020.9340.7390.7360.4550.6130.9770.7330460.6619540.6703270.2138640.2493860.3887340.2791250.497679NA
  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 ▁▁▂▁█▁▁▂▁▁▄▁▁▂▁▁▁▁2.818-10.7076.453-0.301191.074-7.8341.35420.2931.696-8.9784.129-0.433.41413.063-0.2090.8823.311-1.224NANANANANANANANANANANANA0.278-0.507-0.0827.137-0.254-0.5230.0012893.4377110.422705-0.5851140.6776844.331905-0.117462-0.406875NA
  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
Value46000.046000.045000.045000.045000.040000.040000.040000.039000.039000.039000.036000.035000.035000.035000.034000.034000.034000.033000.033000.033000.033000.032000.028000.028000.028000.028000.027000.027000.027000.023000.021000.021000.021000.017000.017000.017000.016485.016369.016267.016282.015664.0
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 Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.10.00.00.00.00.00.0

Shares Outstanding

us-gaap:SharesOutstanding us-gaap:StatementEquityComponents

us-gaap:SharesOutstanding

us-gaap:CommonStock


Shares
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
Value454545454440393938383835353534333227231616151514
Percentage of SharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Common Stock Shares Issued

us-gaap:CommonStockSharesIssued

us-gaap:CommonStockSharesIssued


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
Value4545454544403939383838353535343434333333333332282828272727272321200.0209011616161616161615
Percentage of CommonStockSharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Common Stock Shares Outstanding

us-gaap:CommonStockSharesOutstanding

us-gaap:CommonStockSharesOutstanding


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
Value4545454544403939383838353535343434333333333332282828272727272321200.0209011616161616161615
Percentage of CommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Share Outstanding Basic And Diluted

us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted

us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-30
Value45444441383737363333323232323131312727272626242020191616161515
Percentage of WeightedAverageNumberOfShareOutstandingBasicAndDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount


Antidilutive
Period End2021-03-312020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-03-31
Value1955000.02889000.03640000.04216000.04580000.04480000.04320000.03762000.02766000.03083000.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Basic And Diluted

us-gaap:EarningsPerShareBasicAndDiluted

us-gaap:EarningsPerShareBasicAndDiluted


Earnings
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-0.36-0.38-0.43-0.11-0.2-0.42-0.43-0.25-0.11-0.15-0.09-0.22-0.01-0.31-0.08-0.22-0.21-0.32-0.27-0.21-0.26-0.31-0.37-0.22-0.18-0.19-0.19-0.02-0.1-0.31-0.24-0.13-0.09-0.1-0.13-0.16-0.08-0.1-0.13-0.07-0.06-0.080-0.07-0.05
Percentage of EarningsPerShareBasicAndDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0

Allocated Share Based Compensation Expense

us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:AllocatedShareBasedCompensationExpense


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value7.1416.6046.5165.5496.1934.3845.1614.2874.3754.1544.8294.2423.5343.893.6683.6223.6973.6282.9012.9273.0272.8422.4642.3922.4171.7241.8671.7161.8462.1421.0080.7340.820.5180.5271.1111.1410.6880.6880.7160.73
Percentage of AllocatedShareBasedCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax10.011.111.310.115.28.28.47.67.47.79.18.56.88.38.08.68.28.87.07.67.67.96.97.67.45.86.36.47.08.64.63.64.02.72.96.96.23.94.14.74.4

us-gaap:AllocatedShareBasedCompensationExpense us-gaap:IncomeStatementLocation

us-gaap:CostOfSales


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value0.5980.4190.4210.3660.3510.2870.2610.2390.2280.1890.3050.7650.2390.2370.1620.1790.1380.1310.0950.0970.0880.1390.1080.1120.1060.090.0850.0860.0930.0710.0510.0680.0690.0580.070.0680.068
Percentage of AllocatedShareBasedCompensationExpense8.46.36.56.65.76.55.15.65.24.56.318.06.86.14.44.93.73.63.33.32.94.94.44.74.45.24.65.05.03.35.19.38.411.213.36.16.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.80.70.70.70.90.50.40.40.40.40.61.50.50.50.40.40.30.30.20.30.20.40.30.40.30.30.30.30.40.30.20.30.30.30.40.40.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:CostOfSales0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ResearchAndDevelopmentExpense


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value1.0830.9370.9990.8591.0170.6550.6820.6010.5960.4950.6090.4260.3610.5910.5370.5120.5020.5010.4450.4580.4430.4790.3630.3740.3470.2890.2620.2760.2670.1320.0860.0440.0590.0410.0860.0490.092
Percentage of AllocatedShareBasedCompensationExpense15.214.215.315.516.414.913.214.013.611.912.610.010.215.214.614.113.613.815.315.614.616.914.715.614.416.814.016.114.56.28.56.07.27.916.34.48.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.51.61.71.62.51.21.11.11.00.91.20.90.71.31.21.21.11.21.11.21.11.31.01.21.11.00.91.01.00.50.40.20.30.20.50.30.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ResearchAndDevelopmentExpense0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:SellingGeneralAndAdministrativeExpenses


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value5.465.2485.0964.3244.8253.4424.2183.4473.5513.473.9153.0512.9343.0622.9692.9313.0572.9962.3612.3722.4962.2241.9931.9061.9641.3451.521.3541.4861.9390.8710.6220.6920.4190.3710.9940.981
Percentage of AllocatedShareBasedCompensationExpense76.579.578.277.977.978.581.780.481.283.581.171.983.078.780.980.982.782.681.481.082.578.380.979.781.378.081.478.980.590.586.484.784.480.970.489.586.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.68.98.87.911.86.56.96.16.06.47.46.15.76.56.47.06.87.35.76.26.36.25.66.16.04.55.25.15.67.84.03.13.42.22.06.25.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:SellingGeneralAndAdministrativeExpenses0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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-16320000.0-17247000.0-18307000.0-4796000.0-7961000.0-16621000.0-15878000.0-9584000.0-3969000.0-5722000.0-3493000.0-7273000.0-548000.0-10056000.0-2536000.0-7209000.0-6537000.0-10108000.0-8644000.0-6742000.0-8412000.0-9397000.0-11035000.0-6088000.0-4636000.0-5716000.0-5104000.0-876000.0-2731000.0-7709000.0-5156000.0-2655000.0-1780000.0-2087000.0-1951000.0-2470000.0-1433000.0-1566300.0-2031000.0-1344000.0-941000.0-1257500.0
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-22.9-29.1-31.7-8.8-19.5-31.2-25.9-16.9-6.7-10.6-6.6-14.6-1.1-21.4-5.5-17.1-14.5-24.5-21.0-17.6-21.2-26.1-30.8-19.4-14.2-19.1-17.4-3.3-10.3-31.0-23.6-13.2-8.7-10.7-10.6-15.3-7.8-9.0-12.1-8.8-5.6-8.0

Cost Of Goods And Services Sold

us-gaap:CostOfGoodsAndServicesSold

us-gaap:CostOfGoodsAndServicesSold


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value1714-41.279141314-43.29141514-39.422131312-34.274111211-31.123101010108.9459.4668.1518.9957.7867.7337.196.2155.4615.3065.3445.3624.595.5574.72455.0229724.1366514.5020853.7442774.0829933.2991522.963673
Percentage of CostOfGoodsAndServicesSold100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax24.224.9-71.526.332.326.9-70.626.225.526.1-74.528.026.526.6-74.426.628.027.3-75.628.327.427.928.828.529.127.330.629.229.228.928.427.126.027.529.228.430.427.030.027.226.823.90.022.820.9

Cost Of Revenue

us-gaap:CostOfRevenue

us-gaap:CostOfRevenue


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value17141514131416141514141313121311121112101010108.9459.4668.1518.9957.7867.7337.196.2155.4615.3065.3445.3624.595.5574.72455.0229724.1366514.5020853.7442774.0829933.2991522.963673
Percentage of CostOfRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax24.224.926.526.332.326.927.026.225.526.127.028.026.526.629.026.628.027.329.828.327.427.928.828.529.127.330.629.229.228.928.427.126.027.529.228.430.427.030.027.226.823.90.022.820.9

Gross Profit

us-gaap:GrossProfit

us-gaap:GrossProfit


Gross
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
Value544442402738444143393835383432303230282728252522232120181817151415141311121211111211121111
Percentage of GrossProfit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax75.875.173.573.767.773.173.073.874.573.973.072.073.573.471.073.472.072.770.271.772.672.171.271.570.972.769.470.870.871.171.672.974.072.570.871.669.673.070.072.873.276.10.077.279.1

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

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value-16185000.0-16886000.0-18464000.0-4953000.0-8224000.0-16400000.0-16048000.0-9287000.0-4091000.0-5569000.0-3351000.0-7184000.0-290000.0-10086000.0-2632000.0-7220000.0-6866000.0-10160000.0-8609000.0-6781000.0-8189000.0-9719000.0-10898000.0-6135000.0-4883000.0-5260000.0-5347000.0-462000.0-2687000.0
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-22.7-28.5-32.0-9.0-20.1-30.8-26.2-16.4-6.9-10.3-6.3-14.4-0.6-21.5-5.7-17.1-15.2-24.6-20.9-17.7-20.6-27.0-30.4-19.5-15.0-17.6-18.2-1.7-10.1

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value66000.031000.098000.0-4000.012000.08000.048000.075000.010000.066000.079000.051000.048000.048000.0-52000.026000.017000.023000.016000.02000.017000.05000.016000.06000.08000.06000.0-3000.04000.05000.027000.04000.04000.05000.05000.030000.011000.06000.02559.04814.012368.09205.04501.019287.01444.0109.0
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.10.2-0.00.00.00.10.10.00.10.10.10.10.1-0.10.10.00.10.00.00.00.00.00.00.00.0-0.00.00.00.10.00.00.00.00.20.10.00.00.00.10.10.00.00.00.0

Income Taxes Paid

us-gaap:IncomeTaxesPaid

us-gaap:IncomeTaxesPaid


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-312016-12-312015-12-312015-09-302014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value81000.047000.011000.0-76000.095000.0187000.032000.042000.049000.0136000.020000.000000000146000.000030000.002000.0500.011500.05000.07700.02780.015000.08000.00
Percentage of IncomeTaxesPaid100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.00.00.00.0100.00.00.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.10.0-0.10.20.40.10.10.10.30.00.00.00.00.00.00.00.00.00.60.00.00.00.20.00.00.00.10.00.10.00.10.00.0

Interest Expense

us-gaap:InterestExpense

us-gaap:InterestExpense


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value1197000.01189000.01194000.01232000.01231000.01228000.01257000.01113000.0879000.0862000.01320000.01246000.01221000.0820000.0570000.0576000.0564000.0554000.0535000.0530000.0477000.0259000.0241000.016000.017000.018000.015000.024000.029000.0237000.0138000.0123000.0132000.0173000.0186000.0190000.0201000.0224260.0163390.0170220.0172290.0308510.0183710.0199980.0214870.0
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.72.02.12.23.02.32.02.01.51.62.52.52.41.71.21.41.21.31.31.41.20.70.70.10.10.10.10.10.11.00.60.60.60.91.01.21.11.31.01.11.02.00.01.41.5

Interest Paid Net

us-gaap:InterestPaidNet

us-gaap:InterestPaidNet


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value1081000.01066000.01080000.01091000.01094000.01101000.01080000.0893000.0832000.0914000.01127000.01533000.0794000.0416000.0505000.0512000.0497000.0488000.0463000.0466000.0
Percentage of InterestPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.51.81.92.02.72.11.81.61.41.72.13.11.50.91.11.21.11.21.11.2

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value-16251000.0-16917000.0-18562000.0-4949000.0-8236000.0-16408000.0-16096000.0-9362000.0-4101000.0-5635000.0-3430000.0-7235000.0-338000.0-10134000.0-2580000.0-7246000.0-6883000.0-10183000.0-8625000.0-6783000.0-8206000.0-9724000.0-10914000.0-6141000.0-4891000.0-5266000.0-5344000.0-466000.0-2692000.0-7709000.0-4980000.0-2748000.0-1791000.0-1943000.0-2020000.0-2567000.0-1326000.0-1619800.0-2080000.0-1156300.0-946650.0-1273000.011544.0-1029300.0-764510.0
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-22.8-28.5-32.2-9.0-20.2-30.8-26.2-16.5-7.0-10.4-6.5-14.5-0.7-21.6-5.6-17.2-15.2-24.7-21.0-17.7-20.7-27.1-30.4-19.5-15.0-17.6-18.2-1.7-10.2-31.0-22.8-13.6-8.8-10.0-11.0-15.9-7.3-9.3-12.4-7.6-5.6-8.10.0-7.1-5.4

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-16251000.0-16917000.0-18562000.0-4949000.0-8236000.0-16408000.0-16096000.0-9362000.0-4101000.0-5635000.0-3430000.0-7235000.0-338000.0-10134000.0
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-22.8-28.5-32.2-9.0-20.2-30.8-26.2-16.5-7.0-10.4-6.5-14.5-0.7-21.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Operating Expenses

us-gaap:OperatingExpenses

us-gaap:OperatingExpenses


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
Value696059443454605047454141374334373839363336353628272625192125201716151414141413121312121211
Percentage of OperatingExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax96.9101.9103.880.985.6102.198.089.181.083.777.984.171.793.575.689.686.096.188.988.092.198.3100.991.085.789.985.773.881.6103.093.785.982.181.880.987.276.881.580.180.677.882.90.082.982.2

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-15.077-15.885-17.503-3.991-7.285-15.454-15.326-8.637-3.839-5.32-2.607-6.0480.958-9.43-2.135-6.847-6.355-9.642-7.695-6.286-7.738-9.419-10.63-6.127-4.819-5.144-4.779-0.803-2.853-7.925-4.838-2.614-1.639-1.8-1.852-2.529-1.32-1.495986-1.695-1.190551-0.771169-1.074195-0.237766-0.830889-0.43286
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-21.1-26.8-30.3-7.3-17.8-29.0-25.0-15.3-6.5-9.9-4.9-12.11.8-20.1-4.6-16.2-14.1-23.4-18.7-16.4-19.5-26.2-29.6-19.5-14.8-17.2-16.2-3.0-10.8-31.9-22.1-13.0-8.0-9.3-10.1-15.7-7.2-8.6-10.1-7.8-4.6-6.90.0-5.7-3.0

Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value63000.0-299000.0327000.0238000.0101000.0-150000.0197000.0-255000.0115000.0-153000.0-31000.0-46000.0-211000.086000.043000.029000.0342000.073000.0-2000.060000.0-219000.0286000.0-80000.036000.0253000.0-487000.0255000.0-390000.0-28000.02000.0-165000.088000.012000.0-144000.0192000.0-42000.0-39000.055000.0-273000.018000.040000.0
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.1-0.50.60.40.2-0.30.3-0.50.2-0.3-0.1-0.1-0.40.20.10.10.80.2-0.00.2-0.60.8-0.20.10.8-1.60.9-1.5-0.10.0-0.80.40.1-0.71.0-0.3-0.20.3-1.60.10.2

Other Nonoperating Income Expense

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:OtherNonoperatingIncomeExpense


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value-14000.054000.046000.024000.029000.0-123000.070000.0-114000.0-9000.0-107000.0-80000.0-41000.0-150000.088000.06000.0145000.05000.0-18000.0-440000.0-32000.0-34000.0-80000.0-75000.0-48000.0-90000.0-141000.0-585000.0338000.0172000.0466000.0-8000.0-9000.0-17000.031000.045000.0160000.0199000.0101290.0-219140.0212030.01614.0109910.0448250.0-2221.0-122950.0
Percentage of OtherNonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.00.10.10.00.1-0.20.1-0.2-0.0-0.2-0.2-0.1-0.30.20.00.30.0-0.0-1.1-0.1-0.1-0.2-0.2-0.2-0.3-0.5-2.01.30.61.9-0.0-0.0-0.10.20.21.01.10.6-1.31.40.00.70.0-0.0-0.9

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
Value12111010101113109.8048.1768.4558.5568.6559.0577.7217.9668.9079.559.8668.2719.1248.5637.7676.5045.8625.6094.9975.0334.5694.0013.6483.2373.0493.5062.9672.9052.8853.3889252.9644243.0691742.8788762.9443473.5134062.9370432.422443
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 RevenueFromContractWithCustomerExcludingAssessedTax17.118.918.819.324.621.821.417.916.615.216.017.116.719.316.818.919.723.124.021.623.023.821.720.718.018.817.018.917.216.116.716.114.918.016.218.015.819.417.720.217.218.80.020.317.1

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
Value715957544053615658535249514646424541413839353531322929262624212020191816181716151615161414
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

atrc:AblationAndAppendageManagement, country:US


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value595047443343484546424239403735323432
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax83.684.481.780.981.681.279.980.778.378.680.578.777.880.877.578.077.379.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax83.684.481.780.981.681.279.980.778.378.680.578.777.880.877.578.077.379.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax atrc:AblationAndAppendageManagement country:US100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

atrc:AblationAndAppendageManagement, us-gaap:NonUs


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value118.94910107.1249.722111011109.75310108.4999.7738.6749.5867.943
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax15.815.117.818.317.518.319.218.419.920.218.420.221.118.121.220.621.219.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax15.815.117.818.317.518.319.218.419.920.218.420.221.118.121.220.621.219.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax atrc:AblationAndAppendageManagement us-gaap:NonUs100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

atrc:AppendageManagement, country:US


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value2520191713171916161514131311108.4719.4638.702
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax35.234.733.131.831.932.731.129.928.029.027.427.025.325.123.120.120.921.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax35.234.733.131.831.932.731.129.928.029.027.427.025.325.123.120.120.921.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax atrc:AppendageManagement country:US100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

atrc:AppendageManagement, us-gaap:NonUs


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value4.1943.2583.5753.4452.2713.0623.5132.5322.9772.4542.4482.3182.4241.7982.4261.6531.7771.395
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.95.56.26.35.65.85.74.55.14.54.64.64.73.85.33.93.93.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.95.56.26.35.65.85.74.55.14.54.64.64.73.85.33.93.93.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax atrc:AppendageManagement us-gaap:NonUs100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

atrc:MinimallyInvasive, country:US


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value9.7028.3857.3526.9794.7556.5618.9829.0069.0927.7629.4497.8779.1148.6138.3659.0498.7258.2828.9377.5177.996.7257.1495.0115.0574.3474.2763.9334.3933.4483.5193.4863.5113.132
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax13.614.112.712.711.612.314.615.915.414.417.915.817.618.318.221.519.320.121.719.620.118.719.915.915.514.514.514.716.613.916.117.317.216.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax13.614.112.712.711.612.314.615.915.414.417.915.817.618.318.221.519.320.121.719.620.118.719.915.915.514.514.514.716.613.916.117.317.216.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax atrc:MinimallyInvasive country:US100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

atrc:MinimallyInvasive, us-gaap:NonUs


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value1.5751.2741.8251.6921.1091.5452.2272.0581.9352.1292.3692.3552.661.7922.1481.7662.1351.9582.1821.5332.1862.1642.1931.9451.8581.9682.1081.804
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.22.13.23.12.72.93.63.63.33.94.54.75.13.84.74.24.74.75.34.05.56.06.16.25.76.67.26.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.22.13.23.12.72.93.63.63.33.94.54.75.13.84.74.24.74.75.34.05.56.06.16.25.76.67.26.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax atrc:MinimallyInvasive us-gaap:NonUs100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

atrc:Openheart, country:US


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value2421201915192019201818171817161516151414141314131312121110109.9319.6379.1549.121
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax34.835.635.936.438.136.134.134.934.935.235.335.934.937.436.236.437.138.135.538.537.138.940.441.541.941.341.442.240.941.845.447.844.846.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax34.835.635.936.438.136.134.134.934.935.235.335.934.937.436.236.437.138.135.538.537.138.940.441.541.941.341.442.240.941.845.447.844.846.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax atrc:Openheart country:US100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

atrc:Openheart, us-gaap:NonUs


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value5.5134.4174.8894.9073.7445.1156.0035.856.7926.34.9365.4375.8364.9095.1995.2555.6744.595.1275.1525.4384.4723.8914.0924.0884.2164.274.15
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.77.58.59.09.29.69.810.311.511.79.310.911.310.411.312.512.511.112.513.413.712.410.813.012.514.114.515.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.77.58.59.09.29.69.810.311.511.79.310.911.310.411.312.512.511.112.513.413.712.410.813.012.514.114.515.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax atrc:Openheart us-gaap:NonUs100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

atrc:Valve, country:US


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value0.3730.2620.2230.3810.3380.2750.570.4561.0140.5760.5070.4520.5460.4470.510.5230.5560.5790.730.5710.8130.7310.5720.6860.7530.7190.8380.5770.7030.698
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.50.40.40.70.80.50.90.81.71.11.00.91.11.01.11.21.21.41.81.52.02.01.62.22.32.42.82.22.72.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.50.40.40.70.80.50.90.81.71.11.00.91.11.01.11.21.21.41.81.52.02.01.62.22.32.42.82.22.72.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax atrc:Valve country:US100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

atrc:Valve, us-gaap:NonUs


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value0.0240.0170.030.0120.0360.030.0410.0510.0370.0790.0280.0670.0480.0590.0980.0820.1110.0620.0790.0860.1520.1670.0890.1230.1040.1080.1720.121
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.10.00.10.10.10.10.10.10.10.10.10.10.20.20.20.20.20.20.40.50.20.40.30.40.60.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.10.00.10.10.10.10.10.10.10.10.10.10.20.20.20.20.20.20.40.50.20.40.30.40.60.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax atrc:Valve us-gaap:NonUs100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementGeographical

atrc:OtherInternational


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value0.2030.3270.1260.3460.210.270.2870.2390.2840.2630.2180.1940.2250.2480.2560.1670.2240.1650.1920.2280.130.1790.250.1770.1790.2470.1270.1720.1330.1040.1450.0530.2210.11
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.30.60.20.60.50.50.50.40.50.50.40.40.40.50.60.40.50.40.50.60.30.50.70.60.50.80.40.60.50.40.70.31.10.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.30.60.20.60.50.50.50.40.50.50.40.40.40.50.60.40.50.40.50.60.30.50.70.60.50.80.40.60.50.40.70.31.10.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax atrc:OtherInternational100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

country:US


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value6050474433434946474343394038363335333230302828242522222019181615151413121313121112
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax84.284.982.181.682.581.780.881.580.179.781.579.678.881.878.679.278.680.679.479.777.878.780.578.579.076.775.175.275.173.074.978.675.675.374.376.673.475.573.977.275.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax84.284.982.181.682.581.780.881.580.179.781.579.678.881.878.679.278.680.679.479.777.878.780.578.579.076.775.175.275.173.074.978.675.675.374.376.673.475.573.977.275.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax country:US100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srt:Asia


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value4.0882.8733.7513.1962.6343.5373.6653.9274.473.9142.5983.6014.0492.4393.6873.493
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.74.86.55.86.56.66.06.97.67.34.97.27.85.28.08.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.74.86.55.86.56.66.06.97.67.34.97.27.85.28.08.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Asia100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srt:Europe


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value7.0155.7666.4426.5144.3165.9457.8326.3256.9876.7856.9656.3826.6945.8715.9285.096
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.89.711.211.910.611.212.811.211.912.613.212.812.912.512.912.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.89.711.211.910.611.212.811.211.912.613.212.812.912.512.912.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:Europe100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NonUs


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value118.96610107.169.752111011109.78110108.5589.8718.7569.6978.0058.4917.7658.87.6686.9836.7586.8396.9637.3186.618
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax15.815.117.918.417.518.319.218.519.920.318.520.421.218.221.420.821.419.420.620.322.221.319.521.521.023.324.924.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax15.815.117.918.417.518.319.218.519.920.318.520.421.218.221.420.821.419.420.620.322.221.319.521.521.023.324.924.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:NonUs100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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
Value715957544053615658535249514646424541413839353531322929262624212020191816181716151615161414
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Selling General And Administrative Expense

us-gaap:SellingGeneralAndAdministrativeExpense

us-gaap:SellingGeneralAndAdministrativeExpense


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
Value5649493324424740373732332834272930302625272628222221201417211614131211111110109.20679410109.030339.0678079.239056
Percentage of SellingGeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax79.883.085.061.661.080.376.771.164.468.661.967.055.074.258.870.766.372.964.966.569.174.579.270.367.771.268.755.064.486.977.069.867.163.764.769.261.062.162.560.560.664.155.162.765.1

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
Value7016997147077045275575603433383562712702692672682682662762792812612731651591531581571551581115757583233363633343633
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 End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value31530830229028730031030210199107108111116106109107105107105104808640302425222124392119191920212118181916
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets45.144.142.341.040.856.955.754.029.629.330.139.841.043.239.840.839.939.639.137.937.130.831.624.219.216.216.314.113.915.335.137.133.633.661.559.858.560.053.952.853.250.4

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
Value7016997147077045275575603433383562712702692672682682662762792812612731651591531581571551581115757583233363633343633
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 End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312009-12-312008-12-31
Value3853914124174162272472582412392491631591531611581611601681731771811861251281281321351341347236383812131414151616161729
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets54.955.957.759.059.243.144.346.070.470.769.960.259.056.860.259.260.160.460.962.162.969.268.475.880.883.883.785.986.184.764.962.966.466.438.540.241.540.046.147.246.849.60.00.0

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value-0.087-0.0180.3120.057-0.096-0.371-0.158-0.376-0.154-0.286-0.199-0.136-0.0980.1120.034-0.468-0.611-0.348-0.1390.077-0.0375170.0796250.14429-0.056789
Percentage of StockholdersEquity-0.0-0.00.10.0-0.0-0.2-0.1-0.1-0.1-0.1-0.1-0.1-0.10.10.0-0.3-0.3-0.3-0.20.6-0.20.50.8-0.2
Percentage of Assets-0.0-0.00.00.0-0.0-0.1-0.0-0.1-0.0-0.1-0.1-0.1-0.00.00.0-0.2-0.2-0.2-0.10.2-0.10.20.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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
Value748738742729723526529524498492496407396388386367352271194123118114110106
Percentage of StockholdersEquity194.4188.8180.0174.7173.6231.5214.1203.2206.3205.7199.1248.8248.0254.0240.1218.4189.0204.7268.5985.3761.2683.6648.9366.2
Percentage of Assets106.8105.5103.9103.0102.899.794.993.6145.3145.5139.2149.8146.2144.2144.5133.1129.2171.3174.1379.8351.0339.30.00.0
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
Value0.0460.0460.0450.0450.0450.040.040.040.0390.0390.0390.0360.0350.0350.0350.0330.0320.0280.0230.0170.0163690.0156640.0153530.014275
Percentage of StockholdersEquity0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.10.10.10.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.00.00.00.0
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-363.52-347.269-330.352-311.79-306.841-298.605-282.197-266.101-256.739-252.638-247.003-243.573-236.338-236.0-225.866-198.974-165.636-138.424-122.213-110.751-103.217096-97.761593-93.96997-77.474982
Percentage of StockholdersEquity-94.4-88.8-80.1-74.7-73.6-131.3-114.1-103.1-106.3-105.6-99.0-148.7-148.0-154.1-140.1-118.1-88.7-104.4-168.3-886.0-661.0-584.1-549.9-266.1
Percentage of Assets-51.9-49.6-46.2-44.1-43.6-56.6-50.6-47.5-74.8-74.7-69.2-89.6-87.3-87.5-84.4-72.0-60.7-87.4-109.2-341.5-304.8-290.00.00.0
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
Value235298306296292127143137146155174888684828281798584866574849093939092107524853542830313331313330
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 Assets33.742.642.941.841.524.125.724.642.745.849.032.532.031.430.730.630.229.731.030.230.725.027.450.857.060.959.057.759.567.646.984.293.093.588.089.387.290.592.193.091.490.9

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
Value678541338821283325203217132121192119241619202328292328354168142531307.7538.2038.66119.7589033.4315134.1119217.6857464.2307093.5260916.8541068.90542511
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 Assets9.612.25.94.712.64.15.15.97.46.19.06.65.17.98.17.27.87.28.85.87.17.98.717.318.815.417.922.626.943.313.344.854.053.023.924.324.031.228.810.111.40.012.50.00.00.00.0

Short Term Investments

us-gaap:ShortTermInvestments

us-gaap:ShortTermInvestments


Short
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
Value92141202199143465346657992222314121413151925222.5561019243231232110113.8643.8985.2454.2474.8454.7953.8711474.42376311118.340028
Percentage of ShortTermInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets13.220.328.328.220.48.99.68.319.123.625.88.28.65.54.75.65.25.77.29.08.01.04.011.915.421.019.715.213.66.810.16.76.89.013.114.413.310.613.134.532.624.7

Accounts Receivable Net Current

us-gaap:AccountsReceivableNetCurrent

us-gaap:AccountsReceivableNetCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value332923252222282627262523242223222321212121191916171917151514131111119.9489.391109.723099.5138948.8528349.8989299.480064
Percentage of AccountsReceivableNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.84.23.23.63.34.25.04.88.17.97.18.69.28.38.68.48.68.17.67.57.67.47.110.011.012.911.19.79.79.312.219.119.719.230.727.828.826.628.125.927.428.1

Inventory Net

us-gaap:InventoryNet

us-gaap:InventoryNet


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value373635343232292724242222212222221918171819191716161514141211107.0626.0285.6935.7186.8786.4917.037286.5631386.543086.0095275.680033
Percentage of InventoryNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.45.24.94.84.76.15.35.07.17.16.38.28.08.48.48.47.47.16.46.86.97.36.510.010.19.89.09.38.17.09.112.310.59.817.620.418.019.219.419.216.616.8

Prepaid Expense And Other Assets Current

us-gaap:PrepaidExpenseAndOtherAssetsCurrent

us-gaap:PrepaidExpenseAndOtherAssetsCurrent


Prepaid
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value4636000.05214000.04347000.03369000.03835000.04293000.03899000.03527000.03297000.03605000.02592000.02273000.0
Percentage of PrepaidExpenseAndOtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.70.70.60.50.50.80.70.61.01.10.70.8

Noncurrent Assets

us-gaap:NoncurrentAssets us-gaap:StatementGeographical

us-gaap:NoncurrentAssets

srt:Europe


Noncurrent
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312018-09-302017-12-31
Value1493000.01510000.01693000.01746000.01805000.01022000.01228000.01296000.01148000.0957000.0
Percentage of NoncurrentAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.20.20.20.20.30.20.20.40.40.4
Percentage of Assets srt:Europe0.00.00.00.00.00.00.00.00.00.0

Property Plant And Equipment Gross

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:PropertyPlantAndEquipmentGross


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value65655450443819129.6988.631
Percentage of PropertyPlantAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets9.111.815.218.916.014.212.111.129.925.5

us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType

atrc:ComputerAndOtherOfficeEquipment


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value8.0457.6066.365.8735.3214.3032.4361.5221.5381.236
Percentage of PropertyPlantAndEquipmentGross12.411.611.711.612.111.112.712.215.914.3
Percentage of Assets1.11.41.82.21.91.61.51.44.73.7
Percentage of Assets atrc:ComputerAndOtherOfficeEquipment0.00.00.00.00.00.00.00.00.00.0

atrc:EquipmentUnderFinanceLeases


Property
Period End2020-12-312019-12-312018-12-31
Value0.4090.4830.213
Percentage of PropertyPlantAndEquipmentGross0.60.70.4
Percentage of Assets0.10.10.1
Percentage of Assets atrc:EquipmentUnderFinanceLeases0.00.00.0

atrc:MachineryEquipmentAndVehicles


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value6.6975.9054.8594.5763.7312.5512.6049.9177.4896.424
Percentage of PropertyPlantAndEquipmentGross10.39.08.99.18.56.613.579.577.274.4
Percentage of Assets0.91.11.41.71.30.91.68.923.119.0
Percentage of Assets atrc:MachineryEquipmentAndVehicles0.00.00.00.00.00.00.00.00.00.0

us-gaap:ConstructionInProgress


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value2.0675.7081.8681.810.5391.9784.6420.4110.0680.207
Percentage of PropertyPlantAndEquipmentGross3.28.73.43.61.25.124.13.30.72.4
Percentage of Assets0.31.00.50.70.20.72.90.40.20.6
Percentage of Assets us-gaap:ConstructionInProgress0.00.00.00.00.00.00.00.00.00.0

us-gaap:ElectricGenerationEquipment


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value1820181513108.5786.896
Percentage of PropertyPlantAndEquipmentGross28.730.733.431.229.725.944.655.3
Percentage of Assets2.63.65.15.94.73.75.46.2
Percentage of Assets us-gaap:ElectricGenerationEquipment0.00.00.00.00.00.00.00.0

us-gaap:FurnitureAndFixtures


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value5.8495.0094.7024.3663.6763.2110.4880.2080.2120.347
Percentage of PropertyPlantAndEquipmentGross9.07.68.78.68.38.32.51.72.24.0
Percentage of Assets0.80.91.31.61.31.20.30.20.71.0
Percentage of Assets us-gaap:FurnitureAndFixtures0.00.00.00.00.00.00.00.00.00.0

us-gaap:LeaseholdImprovements


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value8.6456.0783.9433.6363.3192.1510.3290.2620.1650.15
Percentage of PropertyPlantAndEquipmentGross13.39.37.37.27.55.61.72.11.71.7
Percentage of Assets1.21.11.11.41.20.80.20.20.50.4
Percentage of Assets us-gaap:LeaseholdImprovements0.00.00.00.00.00.00.00.00.00.0

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment


Accumulated
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value36332721147.4187.6876.836.2686.28
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.25.97.68.15.12.74.96.119.318.5

Amortization Of Intangible Assets

us-gaap:AmortizationOfIntangibleAssets

us-gaap:AmortizationOfIntangibleAssets


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value0.7270.2380.2380.4670.4880.4890.4890.4860.4840.4840.1430.3420.3420.3420.3410.3420.3420.3420.4110.4110.4110.4110.3950.3020.3030.3030.3550.3550.3560.3550.0030.0030.0030.0030.0040.0030.0030.0031250.0031250.0080.0170.0168750.0168750.040653
Percentage of AmortizationOfIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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
Value3027282930323230282727272828282929292930303131271913119.8426.4625.7695.6434.1353.6853.4553.433.2052.6532.5438652.350762.1109162.281642.723227
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 Assets4.33.94.04.14.36.15.95.58.28.07.610.310.410.610.710.911.211.210.911.011.011.911.516.612.19.07.36.34.13.65.07.26.45.910.69.57.47.06.96.26.38.1

us-gaap:PropertyPlantAndEquipmentNet us-gaap:PropertyPlantAndEquipmentByType

atrc:GeneratorsAndRelatedEquipment


Property
Period End2021-06-302021-03-312020-12-31
Value3.5423.4643.41
Percentage of PropertyPlantAndEquipmentNet11.712.512.1
Percentage of Assets0.50.50.5
Percentage of Assets atrc:GeneratorsAndRelatedEquipment0.00.00.0

us-gaap:AssetsLeasedToOthers


Property
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312012-06-302011-12-31
Value3.3393.4443.9014.2724.5614.8674.5424.5454.7244.7174.7544.6565.0645.3315.4495.6925.7675.4545.3935.4475.2374.7994.1234.1411.4271.204
Percentage of PropertyPlantAndEquipmentNet11.511.412.113.114.817.316.816.816.916.816.716.217.317.818.219.018.817.617.317.419.124.829.735.853.851.2
Percentage of Assets0.50.50.70.80.81.41.31.31.71.71.81.71.92.02.02.12.11.92.12.03.23.02.72.64.03.6
Percentage of Assets us-gaap:AssetsLeasedToOthers0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ElectricGenerationEquipment


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value3.414.2724.5454.6565.6925.4474.1413.173
Percentage of PropertyPlantAndEquipmentNet12.113.116.816.219.017.435.856.2
Percentage of Assets0.50.81.31.72.12.02.62.8
Percentage of Assets us-gaap:ElectricGenerationEquipment0.00.00.00.00.00.00.00.0

Long Term Investments

us-gaap:LongTermInvestments

us-gaap:LongTermInvestments


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-312012-12-312011-12-31
Value699.127141615123.06.0175.5256.157.706105.2092.0258.89411117.9140.00.0
Percentage of LongTermInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0
Percentage of Assets10.01.32.02.32.22.31.12.22.02.32.86.33.31.35.67.57.37.10.00.0

Goodwill

us-gaap:Goodwill

us-gaap:Goodwill


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value23423423423423423423423610510510510510510510510510510510510510510510535353535353535350.0
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets33.533.532.933.233.344.542.142.130.731.129.538.738.939.039.339.239.239.538.137.737.440.238.521.422.223.122.322.522.722.331.60.0

Intangible Assets Net Excluding Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312009-12-31
Value1271271281281281291291304848494950505051515152525253538.8789.2339.5889.944100.0230.0260.0290.0320.0360.0390.0416660.0447910.0479160.0556250.0893750.288
Percentage of IntangibleAssetsNetExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets18.118.317.918.118.324.523.323.214.114.413.818.318.518.719.019.019.219.418.918.818.820.419.75.65.96.16.39.20.00.00.00.10.10.10.10.10.10.20.30.0

Finite Lived Intangible Assets Net

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:FiniteLivedIntangibleAssetsNet


Finite
Period End2021-06-302021-03-312020-12-312020-09-302015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-312011-12-312010-12-31
Value441.641.8782.1167.978.2728.5758.8789.2339.5889.944100.0230.0260.0320.0450.089
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.40.20.30.34.85.25.65.65.96.16.39.20.00.00.10.10.3

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value2683000.01622000.01914000.02363000.02573000.03739000.04032000.04313000.01624000.01778000.0
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.40.20.30.30.40.70.70.80.50.5

Other Assets Noncurrent

us-gaap:OtherAssetsNoncurrent

us-gaap:OtherAssetsNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value488000.0474000.0440000.0399000.0366000.0474000.0705000.0762000.0473000.0486000.0495000.0574000.0619000.0705000.0676000.0676000.0736000.0338000.0321000.0348000.0411000.0391000.0323000.0337000.0351000.0131000.0186000.0209000.0345000.0207000.0218000.0244000.0304000.0286000.0430000.0384000.0405000.0292920.0270610.0221510.0243330.0254710.0
Percentage of OtherAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.10.10.10.10.10.10.10.10.10.10.20.20.30.30.30.30.10.10.10.10.10.10.20.20.10.10.10.20.10.20.40.50.51.31.11.10.80.80.60.70.8

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
Value161512131217141312109.659109.6711121011111010111212119.3449.6597.6217.7857.5227.9218.6055.725.1965.4295.1034.7954.8475.2290965.2700844.8307215.184664.511516
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 Assets2.42.21.81.91.83.32.72.53.73.12.73.93.64.34.64.04.44.23.93.94.24.94.76.75.96.34.85.04.85.07.79.99.09.315.714.213.514.315.614.214.313.4

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
Value322927191718322819172521171418181413161512121814118.97414119.3178.054168.5186.1765.2355.0734.7754.8564.5454123.995883.6060513.8842826.330405
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 Assets4.64.23.92.72.53.45.95.05.85.07.27.96.35.57.16.85.55.16.05.44.54.96.78.67.35.88.97.46.05.114.414.810.79.015.614.213.512.411.810.610.718.8

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
Value6758494438394944393540332726313631282826252631393024252116162616131212111111109.9715261013
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 Assets9.68.46.96.35.47.48.97.911.510.511.312.410.110.011.913.411.810.710.49.58.910.011.623.618.916.116.213.910.810.123.928.223.321.837.634.432.632.331.929.229.338.7

Long Term Debt Current

us-gaap:LongTermDebtCurrent

us-gaap:LongTermDebtCurrent


Long
Period End2020-12-31
Value6667000.0
Percentage of LongTermDebtCurrent100.0
Percentage of Assets0.9

Operating Lease Liability Current

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OperatingLeaseLiabilityCurrent


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value973000.0796000.0927000.01271000.01207000.01419000.01465000.0
Percentage of OperatingLeaseLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.10.10.20.20.30.3

us-gaap:OperatingLeaseLiabilityCurrent us-gaap:BalanceSheetLocation

us-gaap:OtherCurrentLiabilities


Operating
Period End2020-12-312019-12-31
Value927000.01465000.0
Percentage of OperatingLeaseLiabilityCurrent100.0100.0
Percentage of Assets0.10.3
Percentage of Assets us-gaap:OtherCurrentLiabilities0.00.0

Other Accrued Liabilities Current

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:OtherAccruedLiabilitiesCurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value362000.0384000.0406000.0402000.0251000.0267000.059000.01019000.0998000.0861000.01205000.0716000.0701000.0613000.0695000.01319000.0836000.0862000.0929000.01019000.0936000.0807000.0723000.0298000.0535000.0276000.0399000.0410000.0388000.0506000.01105000.0405000.0477000.0393000.0483000.0558000.0573000.0601000.0
Percentage of OtherAccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.10.10.10.00.10.00.20.30.30.30.30.30.20.30.50.30.30.30.40.30.30.30.20.30.20.30.30.20.31.00.70.80.71.51.71.61.8

Other Liabilities Current

us-gaap:OtherLiabilitiesCurrent

us-gaap:OtherLiabilitiesCurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-31
Value18138.417127.7013.6142.2182.1586.9558.0394.7170.5610.4920.4730.4620.45133.981
Percentage of OtherLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.61.91.21.71.10.70.40.42.02.41.30.20.20.20.20.28.22.5

Taxes Payable Current

us-gaap:TaxesPayableCurrent

us-gaap:TaxesPayableCurrent


Taxes
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value1616000.01329000.01256000.01165000.01136000.01171000.01658000.01117000.0807000.0870000.0886000.0551000.0523000.0619000.0634000.0870000.0776000.01108000.01289000.0957000.0859000.02214000.0912000.0725000.0735000.0814000.01272000.01143000.0469000.0619000.0907000.0456000.0360000.0357000.0366000.0274000.0362000.0449000.0
Percentage of TaxesPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.20.20.20.20.20.20.30.20.20.30.20.20.20.20.20.30.30.40.50.30.30.80.30.40.50.50.80.70.30.40.80.80.60.61.10.81.01.3

Long Term Debt Noncurrent

us-gaap:LongTermDebtNoncurrent

us-gaap:LongTermDebtNoncurrent


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value43485349545859593332353839392418202223
Percentage of LongTermDebtNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.26.97.57.17.711.110.710.69.99.710.014.214.514.69.07.07.68.38.6

Long Term Debt And Capital Lease Obligations

us-gaap:LongTermDebtAndCapitalLeaseObligations

us-gaap:LongTermDebtAndCapitalLeaseObligations


Long
Period End2020-12-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value530.0740.0550.0650.0694.4124.9225.3915.8996.4076.8667.3667.8727124.9257755.2860275.6700420.661624
Percentage of LongTermDebtAndCapitalLeaseObligations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets7.50.00.00.00.03.98.59.410.119.820.320.421.514.515.515.72.0

Other Liabilities Noncurrent

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OtherLiabilitiesNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value1921891871831821881861831517192331373741414141404040411.0250.4090.1390.1490.1584.7688.2098.2180.1950.5470.9341.3191.7131.982.2451552.5095992.7708382.9427173.282883
Percentage of OtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets27.527.126.225.925.935.833.432.84.55.25.48.711.814.014.115.615.615.715.214.714.515.615.10.60.30.10.10.13.15.27.30.31.01.64.15.15.56.17.48.18.19.7

Operating Lease Liability Noncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1833000.0966000.01180000.01324000.01581000.02526000.02796000.03076000.01150000.01338000.0
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.30.10.20.20.20.50.50.50.30.4

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value688000.0239000.0637000.0628000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0100.0100.0100.0
Percentage of Assets0.10.00.10.1

Lessee Operating Lease Liability Payments Due Year Three

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value615000.0246000.0239000.0230000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0100.0100.0100.0
Percentage of Assets0.10.00.00.0

Lessee Operating Lease Liability Payments Due Year Four

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value354000.0253000.0246000.0237000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0100.0100.0100.0
Percentage of Assets0.10.00.00.0

Lessee Operating Lease Liability Payments Due Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive


Lessee
Period End2020-12-31
Value253000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive100.0
Percentage of Assets0.0

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value2806000.01762000.02107000.02595000.02788000.03945000.04261000.04559000.01891000.0
Percentage of OperatingLeaseLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.40.30.30.40.40.70.80.80.6

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value2967000.01971000.02302000.02830000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0100.0100.0100.0
Percentage of Assets0.40.30.30.4

Lessee Operating Lease Liability Undiscounted Excess Amount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value161000.0209000.0195000.0235000.0
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0100.0100.0100.0
Percentage of Assets0.00.00.00.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312009-12-312008-12-31
Value3853914124174162272472582412392491631591531611581611601681731771811861251281281321351341347236383812131414151616161729
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets54.955.957.759.059.243.144.346.070.470.769.960.259.056.860.259.260.160.460.962.162.969.268.475.880.883.883.785.986.184.764.962.966.466.438.540.241.540.046.147.246.849.60.00.0

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value-0.087-0.0180.3120.057-0.096-0.371-0.158-0.376-0.154-0.286-0.199-0.136-0.0980.1120.034-0.468-0.611-0.348-0.1390.077-0.0375170.0796250.14429-0.056789
Percentage of StockholdersEquity-0.0-0.00.10.0-0.0-0.2-0.1-0.1-0.1-0.1-0.1-0.1-0.10.10.0-0.3-0.3-0.3-0.20.6-0.20.50.8-0.2
Percentage of Assets-0.0-0.00.00.0-0.0-0.1-0.0-0.1-0.0-0.1-0.1-0.1-0.00.00.0-0.2-0.2-0.2-0.10.2-0.10.20.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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
Value748738742729723526529524498492496407396388386367352271194123118114110106
Percentage of StockholdersEquity194.4188.8180.0174.7173.6231.5214.1203.2206.3205.7199.1248.8248.0254.0240.1218.4189.0204.7268.5985.3761.2683.6648.9366.2
Percentage of Assets106.8105.5103.9103.0102.899.794.993.6145.3145.5139.2149.8146.2144.2144.5133.1129.2171.3174.1379.8351.0339.30.00.0
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
Value0.0460.0460.0450.0450.0450.040.040.040.0390.0390.0390.0360.0350.0350.0350.0330.0320.0280.0230.0170.0163690.0156640.0153530.014275
Percentage of StockholdersEquity0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.10.10.10.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.00.00.00.0
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-363.52-347.269-330.352-311.79-306.841-298.605-282.197-266.101-256.739-252.638-247.003-243.573-236.338-236.0-225.866-198.974-165.636-138.424-122.213-110.751-103.217096-97.761593-93.96997-77.474982
Percentage of StockholdersEquity-94.4-88.8-80.1-74.7-73.6-131.3-114.1-103.1-106.3-105.6-99.0-148.7-148.0-154.1-140.1-118.1-88.7-104.4-168.3-886.0-661.0-584.1-549.9-266.1
Percentage of Assets-51.9-49.6-46.2-44.1-43.6-56.6-50.6-47.5-74.8-74.7-69.2-89.6-87.3-87.5-84.4-72.0-60.7-87.4-109.2-341.5-304.8-290.00.00.0
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
Value46000.046000.045000.045000.045000.040000.040000.040000.039000.039000.039000.036000.035000.035000.035000.034000.034000.034000.033000.033000.033000.033000.032000.028000.028000.028000.028000.027000.027000.027000.023000.021000.021000.021000.017000.017000.017000.016485.016369.016267.016282.015664.0
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 Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.10.00.00.00.00.00.0

Additional Paid In Capital Common Stock

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:AdditionalPaidInCapitalCommonStock


Additional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value748738742729723526529524498492496407396388386382377370367364361356352280277273271
Percentage of AdditionalPaidInCapitalCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets106.8105.5103.9103.0102.899.794.993.6145.3145.5139.2149.8146.2144.2144.5142.4140.6139.0133.1130.4128.2136.3129.2169.4174.4178.0171.3

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-363520000.0-347270000.0-330350000.0-311790000.0-306840000.0-298600000.0-282200000.0-266100000.0-256740000.0-252640000.0-247000000.0-243570000.0-236340000.0-236000000.0-225870000.0-223290000.0-216040000.0-209160000.0-198970000.0-190350000.0-183570000.0-175360000.0-165640000.0-154720000.0-148580000.0-143690000.0-138420000.0-133080000.0-132610000.0-129920000.0-122210000.0-117230000.0-114480000.0-112690000.0-110750000.0-108730000.0-106160000.0-104840000.0-103220000.0-101140000.0-99981000.0-97762000.0
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-51.9-49.6-46.2-44.1-43.6-56.6-50.6-47.5-74.8-74.7-69.2-89.6-87.3-87.5-84.4-83.2-80.5-78.5-72.0-68.1-65.2-67.0-60.7-93.4-93.3-93.7-87.4-84.7-85.0-81.9-109.2-203.4-199.2-193.9-341.5-322.2-294.7-286.5-304.8-296.4-276.7-290.0

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312009-12-31
Value-87000.0-18000.0312000.057000.0-96000.0-371000.0-158000.0-376000.0-154000.0-286000.0-199000.0-136000.0-98000.0112000.034000.0-10000.0-47000.0-393000.0-468000.0-449000.0-490000.0-284000.0-611000.0-490000.0-543000.0-798000.0-348000.0-588000.0-178000.0-139000.0-139000.037000.0-56000.0-67000.077000.07000.0-90000.015939.0-37517.0-86831.0100540.079625.0144000.0
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-0.0-0.00.00.0-0.0-0.1-0.0-0.1-0.0-0.1-0.1-0.1-0.00.00.0-0.0-0.0-0.1-0.2-0.2-0.2-0.1-0.2-0.3-0.3-0.5-0.2-0.4-0.1-0.1-0.10.1-0.1-0.10.20.0-0.20.0-0.1-0.30.30.20.0

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value-109000.023000.054000.0126000.0211000.037000.0100000.079000.046000.029000.0-37000.0-5000.0-13000.0-14000.0-6000.0-7000.0-15000.0-19000.0-21000.0-4000.015000.02000.0-39000.02000.0-15000.0-17000.0-54000.0-39000.0-19000.0-8000.0-6000.05000.001000.01000.01000.002000.0
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax125.3-127.817.3221.1-219.8-10.0-63.3-21.0-29.9-10.118.63.713.3-12.5-17.670.031.94.84.50.9-3.1-0.76.4-0.42.82.115.56.610.75.84.313.5-0.0-1.51.314.3-0.0-5.3
Percentage of Assets-0.00.00.00.00.00.00.00.00.00.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.00.00.0-0.00.0-0.0-0.0-0.0-0.0-0.0-0.0-0.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedTranslationAdjustment


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-312010-12-31
Value22000.0-41000.0258000.0-69000.0-307000.0-408000.0-258000.0-455000.0-200000.0-315000.0-162000.0-131000.0-85000.0126000.040000.0-3000.0-32000.0-374000.0-447000.0-445000.0-505000.0-286000.0-572000.0-492000.0-528000.0-781000.0-294000.0-549000.0-159000.0-131000.0-133000.032000.0-56000.0-68000.076000.06000.0-90000.0-39000.080000.0
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax-25.3227.882.7-121.1319.8110.0163.3121.0129.9110.181.496.386.7112.5117.630.068.195.295.599.1103.1100.793.6100.497.297.984.593.489.394.295.786.5100.0101.598.785.7100.0104.0100.5
Percentage of Assets0.0-0.00.0-0.0-0.0-0.1-0.0-0.1-0.1-0.1-0.0-0.0-0.00.00.0-0.0-0.0-0.1-0.2-0.2-0.2-0.1-0.2-0.3-0.3-0.5-0.2-0.3-0.1-0.1-0.10.1-0.1-0.10.20.0-0.2-0.10.2
Percentage of Assets us-gaap:AccumulatedTranslationAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Stock Issued During Period Value New Issues

us-gaap:StockIssuedDuringPeriodValueNewIssues

us-gaap:StockIssuedDuringPeriodValueNewIssues


Stock
Period End2020-12-312020-09-302020-06-30
Value0.00.0188
Percentage of StockIssuedDuringPeriodValueNewIssues0.00.0100.0
Percentage of Assets0.00.00.0

us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2020-12-312020-09-302020-06-30
Value0.00.0188
Percentage of StockIssuedDuringPeriodValueNewIssues0.00.0100.0
Percentage of Assets0.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.0

us-gaap:CommonStock


Stock
Period End2020-12-312020-09-302020-06-30
Value0.00.00.005
Percentage of StockIssuedDuringPeriodValueNewIssues0.00.00.0
Percentage of Assets0.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-4533000.0-9316000.03954000.03812000.0-11548000.0-16087000.0-3529000.0-2590000.03746000.0-13438000.0985000.05213000.0-935000.0-9434000.01528000.0131000.0-1057000.0-9546000.0-3064000.0674000.0-258000.0-2574000.0-191000.0-463000.0-198390.0-1083600.0-1127000.0-355550.0367670.0-871570.01533700.0317070.0
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-6.4-15.76.87.0-28.3-30.2-5.8-4.66.4-24.91.910.4-1.8-20.13.30.3-2.3-23.1-14.03.3-1.3-13.2-1.0-2.9-1.1-6.2-6.7-2.32.2-5.69.42.2

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-16.05963-1.98-58.737-112.81217-2.601-9.633-0.9311-70.826-0.601-9.732-4.2451.065-2.599-0.4315.726-7.937-5.3790.614-1.449-0.0110.477-2.565834-0.6971666.9327120.306471-4.5843730.069402-0.685526-3.302118
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-22.5107.3-3.4-107.3-276.332.6-4.2-17.0-1.620.4-133.9-1.2-18.8-9.02.3-6.2-1.013.9-36.3-26.73.0-7.5-0.13.0-14.0-4.041.42.0-27.30.4-4.2-22.8

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value2.818-10.7076.453-0.301191-7.8341.354201.696-8.9784-0.433.41413-0.2090.8823.311-1.2240.278-0.507-0.0827-0.254-0.5230.0012893.4377110.422705-0.5851140.6776844.331905-0.117462-0.406875
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.9-18.111.2-0.5468.0-14.72.235.82.9-16.6159.1-0.96.627.8-0.52.17.3-3.01.3-2.5-0.4139.7-1.4-3.20.019.72.5-3.84.027.7-0.7-2.8

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-17.761438.563-55.14166-6.717-4.6997.9354.527-11.511144.133
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-24.973.314.8-100.7163.5-12.6-7.714.07.7-21.326.98.3

Amortization Of Financing Costs

us-gaap:AmortizationOfFinancingCosts

us-gaap:AmortizationOfFinancingCosts


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value125000.0124000.086000.0141000.0141000.0141000.0142000.0124000.054000.055000.0174000.0124000.0124000.093000.066000.066000.066000.066000.066000.066000.071000.015000.015000.015000.015000.016000.014000.019000.021000.059000.046000.023000.025000.021000.019000.012000.016723.052277.024977.024977.020811.026151.032417.027148.0
Percentage of AmortizationOfFinancingCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Accounts 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
Value736000.02835000.0-1045000.01455000.0-4492000.02522000.02088000.0-1705000.01969000.0438000.0-906000.0940000.0-2024000.0-408000.01235000.0-510000.0212000.0353000.0-316000.0-887000.0-903000.01034000.01832000.01053000.0-996000.02124000.0-405000.0397000.0-405000.0-531000.01018000.0382000.0-233000.0278000.0335000.0-83000.0-319140.0-64861.0481570.0-352220.0727450.0-69300.0-242710.0888280.0
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 End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value4.1036.696-2.4122.4520.748-5.8751.156-0.8141.3121.5472.11-1.2192.729-0.7830.434-0.6431.2760.3970.205-0.121.927-0.031.471-1.039-2.2172.6852.3830.3370.4031.0450.199-0.4140.2321.2310.542-1.0410.7387220.1772780.704512-0.9731230.647276-0.1797180.7406730.920692
Percentage of IncreaseDecreaseInAccountsReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Inventories

us-gaap:IncreaseDecreaseInInventories

us-gaap:IncreaseDecreaseInInventories


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value1443000.01264000.0519000.01344000.0674000.02728000.01508000.01677000.0267000.01699000.0256000.0593000.0-746000.043000.0-155000.02538000.0949000.01145000.0-1155000.0-361000.0363000.01232000.0489000.0484000.0873000.01104000.0-212000.02098000.01595000.0862000.0975000.0993000.0319000.01000.0-1184000.0358000.0-488630.0449630.043191.0611390.0-23175.0292100.0-935980.0538680.0
Percentage of IncreaseDecreaseInInventories100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-4533000.0-9316000.03954000.03812000.0-11548000.0-16087000.0-3529000.0-2590000.03746000.0-13438000.0985000.05213000.0-935000.0-9434000.01528000.0131000.0-1057000.0-9546000.0-3064000.0674000.0-258000.0-2574000.0-191000.0-463000.0-198390.0-1083600.0-1127000.0-355550.0367670.0-871570.01533700.0317070.0
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-6.4-15.76.87.0-28.3-30.2-5.8-4.66.4-24.91.910.4-1.8-20.13.30.3-2.3-23.1-14.03.3-1.3-13.2-1.0-2.9-1.1-6.2-6.7-2.32.2-5.69.42.2

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value-16251000.0-16917000.0-18562000.0-4949000.0-8236000.0-16408000.0-16096000.0-9362000.0-4101000.0-5635000.0-3430000.0-7235000.0-338000.0-10134000.0-2580000.0-7246000.0-6883000.0-10183000.0-8625000.0-6783000.0-8206000.0-9724000.0-10914000.0-6141000.0-4891000.0-5266000.0-5344000.0-466000.0-2692000.0-7709000.0-4980000.0-2748000.0-1791000.0-1943000.0-2020000.0-2567000.0-1326000.0-1619800.0-2080000.0-1156300.0-946650.0-1273000.011544.0-1029300.0-764510.0
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-22.8-28.5-32.2-9.0-20.2-30.8-26.2-16.5-7.0-10.4-6.5-14.5-0.7-21.6-5.6-17.2-15.2-24.7-21.0-17.7-20.7-27.1-30.4-19.5-15.0-17.6-18.2-1.7-10.2-31.0-22.8-13.6-8.8-10.0-11.0-15.9-7.3-9.3-12.4-7.6-5.6-8.10.1-7.1-5.4

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-16251000.0-16917000.0-18562000.0-4949000.0-8236000.0-16408000.0-16096000.0-9362000.0-4101000.0-5635000.0-3430000.0-7235000.0-338000.0-10134000.0
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-22.8-28.5-32.2-9.0-20.2-30.8-26.2-16.5-7.0-10.4-6.5-14.5-0.7-21.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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
Value7.1416.6046.5165.5496.1934.3845.1614.2874.3754.1544.8294.2423.5343.893.6683.6223.6973.6282.9012.9273.0272.8422.4642.3922.4171.7241.8671.7161.8462.1421.0080.7340.820.5180.5271.1121.1409260.6880740.6895970.7113340.734650.8034070.6277450.705125
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

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-16.05963-1.98-58.737-112.81217-2.601-9.633-0.9311-70.826-0.601-9.732-4.2451.065-2.599-0.4315.726-7.937-5.3790.614-1.449-0.0110.477-2.565834-0.6971666.9327120.306471-4.5843730.069402-0.685526-3.302118
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-22.5107.3-3.4-107.3-276.332.6-4.2-17.0-1.620.4-133.9-1.2-18.8-9.02.3-6.2-1.013.9-36.3-26.73.0-7.5-0.13.0-14.0-4.041.42.0-27.30.4-4.2-22.8

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
Value4.2131.3261.0521.2631.1121.8324.3573.3692.7471.7091.0831.6551.3872.0861.2491.6471.761.7281.591.7611.5372.8045.1584.212.6431.4344.8181.9141.4551.020.9340.7390.7360.4550.6130.9770.7330460.6619540.6703270.2138640.2493860.3887340.2791250.497679
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

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value2.818-10.7076.453-0.301191-7.8341.354201.696-8.9784-0.433.41413-0.2090.8823.311-1.2240.278-0.507-0.0827-0.254-0.5230.0012893.4377110.422705-0.5851140.6776844.331905-0.117462-0.406875
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.9-18.111.2-0.5468.0-14.72.235.82.9-16.6159.1-0.96.627.8-0.52.17.3-3.01.3-2.5-0.4139.7-1.4-3.20.019.72.5-3.84.027.7-0.7-2.8

Effective Income Tax Rate Continuing Operations

us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:EffectiveIncomeTaxRateContinuingOperations


Effective
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value-0.41-0.18-0.180.08-0.0015-0.00050.002-0.0081-0.0024-0.0119-0.0024-0.0071-0.1664-0.00470.0022-0.0036-0.0025-0.0023-0.0002-0.0003-0.002-0.0005-0.0001-0.00090.00170.00110.0013-0.0087-0.00190.00350.0006-0.0013-0.0028-0.0026-0.0032-0.0045-0.0044-0.00160.0021-0.0108-0.0098
Percentage of EffectiveIncomeTaxRateContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber

us-gaap:EmployeeStockOption


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value904000.01507000.01582000.02026000.02454000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber100.0100.0100.0100.0100.0

us-gaap:PerformanceShares


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value175000.0450000.0450000.0450000.0450000.0450000.0450000.0225000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber19.429.928.422.218.30.00.00.0

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

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:EmployeeStockOption


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value16.5714.3813.8313.312.51
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice100.0100.0100.0100.0100.0

us-gaap:PerformanceShares


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value21.0413.4813.4813.4813.4813.4813.48
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice127.093.797.5101.4107.80.00.0

Deferred Tax Assets Net

us-gaap:DeferredTaxAssetsNet

us-gaap:DeferredTaxAssetsNet


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312014-12-312013-12-31
Value38000.026000.051000.0102000.000
Percentage of DeferredTaxAssetsNet100.0100.0100.0100.00.00.0

Unrecognized Tax Benefits

us-gaap:UnrecognizedTaxBenefits

us-gaap:UnrecognizedTaxBenefits


Unrecognized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value1798000.01777000.01157000.01157000.03175000.01982000.01982000.01982000.0
Percentage of UnrecognizedTaxBenefits100.0100.0100.0100.0100.0100.0100.0100.0

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
Value1171016966817359543129
Percentage of DeferredTaxAssetsValuationAllowance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

atrc:BusinessCombinationContingentConsiderationLiabilityMeasurementInputPercent us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:MeasurementInputType

atrc:BusinessCombinationContingentConsiderationLiabilityMeasurementInputPercent

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring, us-gaap:MeasurementInputDiscountRate


Business
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value05.5605.504400.0556
Percentage of BusinessCombinationContingentConsiderationLiabilityMeasurementInputPercent0.0100.00.0100.00.0100.0

atrc:BusinessCombinationContingentConsiderationLiabilityMeasurementInputPercent us-gaap:Range, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:MeasurementInputType

srt:Maximum, us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring, atrc:MeasurementInputProbabiltyOfPayment


Business
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value085.0084.1500.85
Percentage of BusinessCombinationContingentConsiderationLiabilityMeasurementInputPercent0.01528.80.01528.80.01528.8

srt:Minimum, us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring, atrc:MeasurementInputProbabiltyOfPayment


Business
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value070.0-7.376.9-0.3740.774
Percentage of BusinessCombinationContingentConsiderationLiabilityMeasurementInputPercent0.01259.00.01397.10.01392.1

srt:WeightedAverage, us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring, atrc:MeasurementInputProbabiltyOfPayment


Business
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value080.62-76.2781.017-0.00410.8175
Percentage of BusinessCombinationContingentConsiderationLiabilityMeasurementInputPercent0.01450.00.01471.90.01470.3

srt:WeightedAverage, us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring, us-gaap:MeasurementInputDiscountRate


Business
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value05.5675.065.504400.0556
Percentage of BusinessCombinationContingentConsiderationLiabilityMeasurementInputPercent0.0100.00.0100.00.0100.0

atrc:PerformanceStockAwardThresholdTargetAndMaximumPayoutOpportunityPercentage us-gaap:Range, us-gaap:AwardType, us-gaap:PlanName

atrc:PerformanceStockAwardThresholdTargetAndMaximumPayoutOpportunityPercentage

srt:Maximum, us-gaap:PerformanceShares, atrc:TwoThousandFourteenPlan


Performance
Period End2021-06-302021-03-312020-12-31
Value0200.0-100.0
Percentage of PerformanceStockAwardThresholdTargetAndMaximumPayoutOpportunityPercentage0.0100.0100.0

srt:Minimum, us-gaap:PerformanceShares, atrc:TwoThousandFourteenPlan


Performance
Period End2021-06-302021-03-312020-12-31
Value00-50.0
Percentage of PerformanceStockAwardThresholdTargetAndMaximumPayoutOpportunityPercentage0.00.050.0

atrc:RepaymentsOfDebtAndFinanceLeaseObligation

atrc:RepaymentsOfDebtAndFinanceLeaseObligation


Repayments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value201000.0198000.0199000.0188000.0186000.094000.0170000.0156000.0153000.0150000.0
Percentage of RepaymentsOfDebtAndFinanceLeaseObligation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

atrc:RoyaltyRate us-gaap:Range

atrc:RoyaltyRate

srt:Maximum


Royalty
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value05.004.9500.050000.050
Percentage of RoyaltyRate0.0100.00.0100.00.0100.00.00.00.0100.00.0

srt:Minimum


Royalty
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value03.002.9700.030000.030
Percentage of RoyaltyRate0.060.00.060.00.060.00.00.00.060.00.0

us-gaap:AccretionAmortizationOfDiscountsAndPremiumsInvestments

us-gaap:AccretionAmortizationOfDiscountsAndPremiumsInvestments


Accretion
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value-651000.0-555000.0-608000.0-501000.0-130000.03000.040000.0147000.0344000.0391000.0241000.065000.041000.015000.012000.017000.0-21000.0-38000.0-30000.0-22000.0-18000.0-56000.0-105000.0-133000.0-155000.0-184000.0-178000.0-159000.0-80000.0-83000.0-53000.0-2000.03000.03000.04000.03000.0-8000.0-11000.0
Percentage of AccretionAmortizationOfDiscountsAndPremiumsInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationAsset1

us-gaap:BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationAsset1


Business
Period End2020-09-30
Value192000.0
Percentage of BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationAsset1100.0

us-gaap:BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1

us-gaap:BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1


Business
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302014-03-31
Value2.62.54.4970.192-7.5042.4582.018-3.062-2.205-1.667-4.129-0.788.032
Percentage of BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CapitalExpendituresIncurredButNotYetPaid

us-gaap:CapitalExpendituresIncurredButNotYetPaid


Capital
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
Value290000.0239000.0210000.0-437000.0-378000.0903000.0-1137000.01313000.0228000.0649000.013000.0-31000.0188000.0178000.0387000.0-440000.0144000.0559000.097000.0-63000.063000.0243000.0-1165000.0790000.0901000.0751000.0-2025000.02435000.013000.0124000.098000.0121000.0-9000.072000.0-39000.026000.0-32493.055493.0-26038.037431.06797.025575.015103.010243.0
Percentage of CapitalExpendituresIncurredButNotYetPaid100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentBasisSpreadOnVariableRate1 us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:VariableRate

us-gaap:DebtInstrumentBasisSpreadOnVariableRate1

atrc:SiliconValleyBankAgreement, us-gaap:MediumTermNotes, us-gaap:PrimeRate


Debt
Period End2021-03-31
Value0.75
Percentage of DebtInstrumentBasisSpreadOnVariableRate1100.0

us-gaap:Depreciation

us-gaap:Depreciation


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value1931000.01884000.01929000.02012000.01970000.01955000.01894000.01907000.01878000.01744000.01739000.01786000.01862000.01857000.01930000.01925000.01944000.01962000.02030000.01947000.01878000.01800000.01671000.01217000.01079000.01008000.0948000.0899000.0776000.0730000.0552000.0505000.0493000.0458000.0375000.0464000.0571540.0475460.0426570.0406600.0531520.0512870.0570710.0498390.0
Percentage of Depreciation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Depreciation us-gaap:PropertyPlantAndEquipmentByType

atrc:Generators


Depreciationus-gaap:
Period End2021-06-302021-03-312020-06-302020-03-312019-03-312018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-31
Value601000.0602000.0635000.0649000.0736000.0827000.0877000.0909000.0916000.0914000.0879000.0836000.0733000.0673000.0620000.0593000.0498000.0461000.0
Percentage of Depreciation31.132.032.233.242.244.545.646.846.746.946.846.460.262.461.566.064.263.2

atrc:GeneratorsAndRelatedEquipment


Depreciationus-gaap:
Period End2020-09-302020-06-302019-09-302019-06-302018-09-302018-06-302017-09-302017-06-30
Value613000.0635000.0744000.0749000.0783000.0814000.0877000.0909000.0
Percentage of Depreciation30.532.239.039.943.843.745.646.8

us-gaap:EffectOfExchangeRateOnCashAndCashEquivalents

us-gaap:EffectOfExchangeRateOnCashAndCashEquivalents


Effect
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value13000.0-128000.042000.0-127000.077000.0-135000.015000.0-120000.0-56000.0-49000.0-110000.036000.0-19000.017000.036000.0-10000.0-127000.05000.0-80000.0149000.0-49000.0-4000.048000.0-233000.0-110000.0-52000.011000.0-5000.0-206000.0-11000.0-16000.0-83000.06000.052000.04477.02523.098949.0-46216.0-34809.0-74696.0-26057.063905.0
Percentage of EffectOfExchangeRateOnCashAndCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate

us-gaap:EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate


Effective
Period End2021-06-302021-03-312020-12-312018-12-312018-09-302018-06-302018-03-31
Value021.000000.21
Percentage of EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate0.0100.00.00.00.00.0100.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings


Fair
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-2.6-2.5-4.497-0.1927.504-2.458-2.0183.0622.2051.6674.1290.78
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseInterestExpense

us-gaap:FinanceLeaseInterestExpense


Finance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value200000.0203000.0206000.0209000.0212000.0216000.0216000.0216000.0219000.0221000.0
Percentage of FinanceLeaseInterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseInterestPaymentOnLiability

us-gaap:FinanceLeaseInterestPaymentOnLiability


Finance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value200000.0203000.0206000.0210000.0212000.0216000.0216000.0216000.0219000.0221000.0
Percentage of FinanceLeaseInterestPaymentOnLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeasePrincipalPayments

us-gaap:FinanceLeasePrincipalPayments


Finance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value201000.0198000.0196000.0188000.0186000.094000.0170000.0156000.0153000.0150000.0
Percentage of FinanceLeasePrincipalPayments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseRightOfUseAssetAmortization

us-gaap:FinanceLeaseRightOfUseAssetAmortization


Finance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value242000.0256000.0264000.0260000.0263000.0263000.0251000.0247000.0250000.0250000.0
Percentage of FinanceLeaseRightOfUseAssetAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsPeriodIncreaseDecrease us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsPeriodIncreaseDecrease

us-gaap:InProcessResearchAndDevelopment


Finite
Period End2021-06-30
Value44
Percentage of FiniteLivedIntangibleAssetsPeriodIncreaseDecrease100.0

us-gaap:GainLossOnContractTermination

us-gaap:GainLossOnContractTermination


Gain
Period End2020-12-312020-09-30
Value270000.00
Percentage of GainLossOnContractTermination100.00.0

us-gaap:GainLossOnSaleOfPropertyPlantEquipment

us-gaap:GainLossOnSaleOfPropertyPlantEquipment


Gain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value-35000.0-17000.0-184000.04000.0-65000.0-32000.0-171000.0-101000.0-71000.0-261000.0-217000.0-9000.0-102000.05000.0-241000.0-7000.0-26000.0-62000.0-326000.010000.024000.0-141000.0-193000.0-20000.0-6000.0-57000.0-107000.03000.00-14000.036000.0-1000.0-14000.0-15000.0-52000.03000.0-4055.013055.0-5716.0-5699.0-550.0-44450.035041.0
Percentage of GainLossOnSaleOfPropertyPlantEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeLossFromContinuingOperationsPerBasicAndDilutedShare

us-gaap:IncomeLossFromContinuingOperationsPerBasicAndDilutedShare


Income
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value-0.42-0.11-0.2-0.42-0.42-0.25-0.11-0.15-0.09-0.22-0.01-0.31-0.08-0.22-0.21-0.32-0.27-0.21-0.26-0.31-0.36-0.22-0.18-0.19-0.2-0.02-0.1-0.31-0.24-0.13-0.09-0.1-0.12-0.16-0.08-0.1-0.13-0.07-0.06-0.08
Percentage of IncomeLossFromContinuingOperationsPerBasicAndDilutedShare100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccruedLiabilities

us-gaap:IncreaseDecreaseInAccruedLiabilities


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
Value2730000.01799000.08780000.01153000.0-296000.0-14545000.03608000.05345000.02807000.0-8652000.04262000.04451000.02547000.0-4244000.0696000.03423000.0936000.0-2827000.01557000.02201000.0-104000.0-5569000.02513000.02753000.02735000.0-4931000.01757000.03100000.01265000.0-7969000.01797000.01942000.0565000.0-190000.0-54000.0-335000.098776.0193220.0214960.0-397960.0145960.0-938860.0197870.0160970.0
Percentage of IncreaseDecreaseInAccruedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherCurrentAssets

us-gaap:IncreaseDecreaseInOtherCurrentAssets


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
Value-583000.0891000.0958000.0-488000.0-492000.0499000.0265000.0224000.0-313000.01023000.0-58000.0-452000.0-663000.01540000.0-352000.0-503000.0-1149000.01175000.014000.0-372000.0-203000.0439000.0479000.0-89000.0-241000.0779000.0526000.0-261000.0-260000.0-312000.01374000.0-357000.0-394000.0634000.065000.0-298000.043065.0132940.0-185200.0-51429.0176710.076899.0237950.0-231650.0
Percentage of IncreaseDecreaseInOtherCurrentAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet

us-gaap:IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet


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
Value213000.0358000.0411000.0-388000.0-627000.0120000.0276000.0346000.0205000.0135000.0-44000.0-18000.0-48000.0-21000.019000.0-79000.0313000.0155000.0-39000.0-146000.047000.0291000.0105000.0-275000.0-100000.0-28000.0-770000.0-113000.0871000.055000.0-23000.0-68000.0-12000.0-127000.024000.03000.0107660.063335.097377.024035.074672.0-14289.0-353440.0-217090.0
Percentage of IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentIncomeInterest

us-gaap:InvestmentIncomeInterest


Investment
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
Value103000.0134000.0187000.0246000.0263000.0405000.0465000.0577000.0636000.0720000.0656000.0151000.0123000.076000.067000.058000.048000.054000.061000.067000.060000.039000.048000.056000.043000.043000.032000.027000.023000.014000.08000.02000.02000.04000.03000.03000.02000.01730.02503.04775.04402.04250.04062.05222.06281.0
Percentage of InvestmentIncomeInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LeaseCost

us-gaap:LeaseCost


Lease
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value442000.0459000.0470000.0469000.0475000.0479000.0467000.0463000.0469000.0471000.0
Percentage of LeaseCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LineOfCreditFacilityCommitmentFeePercentage us-gaap:CreditFacility, us-gaap:DebtInstrument

us-gaap:LineOfCreditFacilityCommitmentFeePercentage

us-gaap:RevolvingCreditFacility, atrc:SiliconValleyBankAgreement


Line
Period End2021-06-302021-03-31
Value00.15
Percentage of LineOfCreditFacilityCommitmentFeePercentage0.0100.0

us-gaap:LineOfCreditFacilityInterestRateDuringPeriod us-gaap:CreditFacility, us-gaap:DebtInstrument, us-gaap:VariableRate

us-gaap:LineOfCreditFacilityInterestRateDuringPeriod

us-gaap:RevolvingCreditFacility, atrc:SiliconValleyBankAgreement, us-gaap:PrimeRate


Line
Period End2021-06-302021-03-31
Value05.0
Percentage of LineOfCreditFacilityInterestRateDuringPeriod0.0100.0

us-gaap:LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage

atrc:SiliconValleyBankAgreement, us-gaap:MediumTermNotes


Line
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value03.02.9700.03
Percentage of LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage0.0100.0100.00.0100.0

us-gaap:LossContingencyDamagesPaidValue

us-gaap:LossContingencyDamagesPaidValue


Loss
Period End2021-02-28
Value6000000.0
Percentage of LossContingencyDamagesPaidValue100.0

us-gaap:OperatingLeaseCost

us-gaap:OperatingLeaseCost


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value203000.0279000.0251000.0293000.0340000.0349000.0352000.0285000.0159000.0159000.0
Percentage of OperatingLeaseCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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
Value163000.0331000.0292000.0278000.0294000.0372000.0372000.0299000.0179000.0176000.0
Percentage of OperatingLeasePayments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value-132000.0-31000.0-77000.0-85000.0174000.0-82000.021000.033000.017000.066000.0-32000.08000.01000.0-8000.01000.08000.04000.02000.0-17000.0-19000.013000.041000.0-41000.017000.02000.037000.0-15000.0-20000.0-11000.0-2000.0-11000.05000.0-1000.0001000.0
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0

us-gaap:AccumulatedTranslationAdjustment


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value36000.0-298000.0378000.0290000.0109000.0-222000.0243000.0-380000.085000.0-225000.0-102000.0-84000.0-349000.0168000.053000.0182000.0373000.052000.0428000.052000.0-229000.0281000.021000.067000.0392000.0-324000.0748000.0-339000.0-44000.0-3000.0-361000.071000.01000.0-189000.075000.0138000.0
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax-27.3961.3-490.9-341.262.6270.71157.1-1151.5500.0-340.9318.8-1050.0-34900.0-2100.05300.02275.09325.02600.0-2517.6-273.7-1761.5685.4-51.2394.119600.0-875.7-4986.71695.0400.0150.03281.81420.0-100.00.00.013800.0

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-03-312012-09-302012-06-302012-03-31
Value-69000.0-330000.0255000.0153000.0275000.0-213000.0218000.0-222000.0132000.0-87000.0-63000.0-38000.0-210000.078000.044000.037000.0346000.075000.0-19000.041000.0-206000.0327000.0-121000.053000.0255000.0-450000.0240000.0-410000.0-39000.0-144000.097000.0-106000.053000.0
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-69000.0-330000.0255000.0153000.0275000.0-213000.0218000.0-222000.0132000.0-87000.0-63000.0-38000.0-210000.078000.0
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value-132000.0-31000.0-72000.0-85000.0174000.0-63000.021000.033000.017000.066000.0-32000.08000.01000.0-8000.01000.08000.04000.02000.0-17000.0-19000.013000.041000.0-41000.017000.02000.037000.0-15000.0-20000.0-11000.0-2000.0-11000.05000.0-1000.0001000.0-1000.0-1000.0
Percentage of OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0

us-gaap:OtherOperatingActivitiesCashFlowStatement

us-gaap:OtherOperatingActivitiesCashFlowStatement


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value218000.0254000.0199000.0215000.0296000.0360000.0241000.0869000.0229000.0175000.0
Percentage of OtherOperatingActivitiesCashFlowStatement100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsOfDebtIssuanceCosts

us-gaap:PaymentsOfDebtIssuanceCosts


Payments
Period End2020-12-312020-09-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312016-09-302015-12-312015-09-302014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value1000.030000.0029000.01000.0299000.00022000.01114000.0000000012000.069000.0100000.001000.073000.025000.049000.02000.051000.025000.005211.050000.025719.0-17440.019462.0
Percentage of PaymentsOfDebtIssuanceCosts100.0100.00.0100.0100.0100.00.00.0100.0100.00.00.00.00.00.00.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0

us-gaap:PaymentsOfStockIssuanceCosts

us-gaap:PaymentsOfStockIssuanceCosts


Payments
Period End2020-12-312020-09-302015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value0000000042000.0215000.00040000.0172000.0
Percentage of PaymentsOfStockIssuanceCosts0.00.00.00.00.00.00.00.0100.0100.00.00.0100.0100.0

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value1.403150.10.6060.547110.0570.2810.0948.6010.0350.6980.0593.6650.0220.090.1661.7350.6230.0450.0340.9990.1320.0780.0690.5030.1330.0450.0650.0880.1190.010.0240.2450.0290.806-0.6320.1980.0481.775
Percentage of PaymentsRelatedToTaxWithholdingForShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireAvailableForSaleSecurities

us-gaap:PaymentsToAcquireAvailableForSaleSecurities


Payments
Period End2020-12-312020-09-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312015-09-302014-12-312014-09-302013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value26736.52335282.947766.48513103.6865.2024.4713.0961.1975.4550.09.2239.6954.09126.642-0.0052.5490.6981.8465.1953831.4966170.0468742.5859066.7349873.281343.8616393.654439
Percentage of PaymentsToAcquireAvailableForSaleSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromIssuanceOfCommonStock

us-gaap:ProceedsFromIssuanceOfCommonStock


Proceeds
Period End2020-12-312020-09-302014-12-312014-09-302014-06-302014-02-282014-03-312014-01-312013-12-312013-09-302013-06-302013-03-312013-01-31
Value0.00.00.00.0-0.0426565650.00.0-0.042626
Percentage of ProceedsFromIssuanceOfCommonStock0.00.00.00.0100.0100.0100.0100.00.00.0100.0100.0100.0

us-gaap:ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities

us-gaap:ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities


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
Value8264251614197.54630156.857.5394.88.26.04.255.8109.62.1982.6049.8118.7148.56111130.8652.852.551.32.01.3451.5551.33.33.36251.43757.3499133.1062412.43.653.450.85
Percentage of ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromStockOptionsExercised

us-gaap:ProceedsFromStockOptionsExercised


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value4.4224.5883.4230.5232.8534.036-1.0810.2591.9440.08-0.9451.5323.6381.7870.2321.0962.4430.6310.7420.2940.4051.8960.2820.5671.3380.5160.2590.020.2421.3950.4410.0370.2381.0020.0970.1280.2212330.2127670.5315730.0162340.8188760.2213820.1490020.1696
Percentage of ProceedsFromStockOptionsExercised100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax us-gaap:StatementEquityComponents

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Reclassification
Period End2020-12-312020-09-302020-06-302020-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-30
Value-5000.000-19000.00000000
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax100.00.00.0100.00.00.00.00.00.00.00.0

us-gaap:AccumulatedTranslationAdjustment


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value-27000.01000.051000.052000.08000.0-72000.046000.0-125000.0-30000.0-72000.0-71000.0-38000.0-138000.082000.010000.0153000.031000.0-21000.0430000.0-8000.0-10000.0-5000.0101000.031000.0139000.0163000.0493000.051000.0-16000.0-5000.0-196000.0-17000.0-11000.0-45000.05000.042000.0
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax0.00.0-1020.00.00.0378.90.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability


Right
Period End2020-12-312020-09-302019-12-312019-09-30
Value-270000.0000
Percentage of RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability100.00.00.00.0

us-gaap:RoyaltyExpense

us-gaap:RoyaltyExpense


Royalty
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value842000.0722000.0716000.0699000.0505000.0677000.0750000.0693000.0740000.0709000.0687000.0661000.0695000.0672000.0650000.0537000.0602000.0534000.0510000.0499000.0445000.0441000.0478000.0423000.0471000.0427000.0397000.0356000.0262000.0307000.0229000.0194000.0217000.0322000.0165000.0141000.0151000.0147000.0128000.0121000.0129000.0
Percentage of RoyaltyExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardDiscountFromMarketPricePurchaseDate us-gaap:PlanName

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardDiscountFromMarketPricePurchaseDate

atrc:TwoThousandEightEmployeeStockPurchasePlan


Share
Period End2021-06-302021-03-312020-12-31
Value015.00
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardDiscountFromMarketPricePurchaseDate0.0100.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumNumberOfSharesPerEmployee

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumNumberOfSharesPerEmployee


Share
Period End2021-06-302021-03-31
Value03000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumNumberOfSharesPerEmployee0.0100.0

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage us-gaap:AwardType, us-gaap:PlanName, us-gaap:Vesting

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage

us-gaap:EmployeeStockOption, atrc:TwoThousandFourteenPlan, atrc:FirstAnniversaryDateOfGrant


Sharebased
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value024.7500.250000.250000.25000.250000.250
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage0.0100.00.0100.00.00.00.0100.00.00.00.0100.00.00.0100.00.00.00.0100.00.0

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage us-gaap:AwardType, us-gaap:Vesting

atrc:StockOptionsRsaSAndRsuS, atrc:FirstSecondAndThirdAnniversaries


Sharebased
Period End2021-06-302021-03-31
Value033.3
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage0.00.0

us-gaap:RestrictedStock, atrc:FirstSecondAndThirdAnniversaries


Sharebased
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-03-31
Value32.96700.3330.329700.00330.0033
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage133.20.0133.20.00.01.31.3

us-gaap:StockIssuedDuringPeriodSharesNewIssues us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesNewIssues

us-gaap:CommonStock


Stock
Period End2020-12-312020-09-302020-06-30
Value004574000.0
Percentage of StockIssuedDuringPeriodSharesNewIssues0.00.0100.0

us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation

us-gaap:CommonStock


Stock
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
Value258000.0277000.0221000.082000.0288000.0422000.065000.082000.047000.054000.035000.0108000.0185000.0453000.0
Percentage of StockIssuedDuringPeriodSharesShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation


Stock
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
Value10-3.904-12.8035.4668.499-3.3560.411-0.0220.301-8.5210.4160.8342.182-1.877
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
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
Value10-3.905-12.8035.4668.499-3.3560.411-0.0220.301-8.5210.4160.8332.182-1.877
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.099.9100.0100.0

us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312018-12-312018-09-30
Value0.00.0010.00.001
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation0.0-0.00.00.1

atrc:AccruedSettlementCurrent

atrc:AccruedSettlementCurrent


Accrued
Period End2021-06-302021-03-312020-12-31
Value24000.04831000.06000000.0
Percentage of AccruedSettlementCurrent100.0100.0100.0

atrc:BusinessCombinationContingentConsiderationArrangementsMaximumSharesThatCanBeIssuedAfterClosing us-gaap:BusinessAcquisition

atrc:BusinessCombinationContingentConsiderationArrangementsMaximumSharesThatCanBeIssuedAfterClosing

atrc:Sentreheart


Business
Period End2020-12-31
Value7021000.0
Percentage of BusinessCombinationContingentConsiderationArrangementsMaximumSharesThatCanBeIssuedAfterClosing100.0

atrc:CashPaymentObligationsOnDebtCurrent

atrc:CashPaymentObligationsOnDebtCurrent


Cash
Period End2021-06-302021-03-312020-09-30
Value161110.0
Percentage of CashPaymentObligationsOnDebtCurrent100.0100.0100.0

atrc:CashPaymentObligationsOnDebtNoncurrent

atrc:CashPaymentObligationsOnDebtNoncurrent


Cash
Period End2021-06-302021-03-312020-09-30
Value434850
Percentage of CashPaymentObligationsOnDebtNoncurrent100.0100.0100.0

atrc:DeferredTaxAssetsFinanceAndOperatingLeaseLiabilities

atrc:DeferredTaxAssetsFinanceAndOperatingLeaseLiabilities


Deferred
Period End2020-12-312019-12-31
Value3164000.04016000.0
Percentage of DeferredTaxAssetsFinanceAndOperatingLeaseLiabilities100.0100.0

atrc:DeferredTaxLiabilitiesRightOfUseAssets

atrc:DeferredTaxLiabilitiesRightOfUseAssets


Deferred
Period End2020-12-312019-12-31
Value2547000.03476000.0
Percentage of DeferredTaxLiabilitiesRightOfUseAssets100.0100.0

atrc:FinanceLeaseLiabilityPaymentsThereafter

atrc:FinanceLeaseLiabilityPaymentsThereafter


Finance
Period End2020-09-30
Value9799000.0
Percentage of FinanceLeaseLiabilityPaymentsThereafter100.0

atrc:LesseeOperatingLeaseLiabilityPaymentsThereafter

atrc:LesseeOperatingLeaseLiabilityPaymentsThereafter


Lessee
Period End2020-09-30
Value244000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsThereafter100.0

atrc:SalesReturnsAllowanceTrade

atrc:SalesReturnsAllowanceTrade


Sales
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value2579000.01993000.01889000.03058000.03921000.03940000.03979000.03710000.01438000.01438000.01410000.01362000.01319000.01174000.01169000.01066000.01029000.0965000.0834000.0258000.0263000.0208000.0207000.0133000.0133000.0132000.0135000.0136000.0139000.0105000.0105000.0105000.0105000.0105000.0105000.0105000.0105000.040000.0
Percentage of SalesReturnsAllowanceTrade100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

atrc:UnrecognizedTaxBenefitsThatWouldResultInAdjustmentToOtherTaxAccounts

atrc:UnrecognizedTaxBenefitsThatWouldResultInAdjustmentToOtherTaxAccounts


Unrecognized
Period End2020-12-312019-12-31
Value1798000.01777000.0
Percentage of UnrecognizedTaxBenefitsThatWouldResultInAdjustmentToOtherTaxAccounts100.0100.0

us-gaap:AccruedBonusesCurrent

us-gaap:AccruedBonusesCurrent


Accrued
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value3.0344.3892.51.7281.151107.9565.2242.489.16.9924.1631.9874.7265.1713.8021.742.8713.4823.1771.5656.0885.0823.3741.6364.9153.8212.1410.7866.8491.5650.9110.4110.4870.210.4770.162
Percentage of AccruedBonusesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedRoyaltiesCurrent

us-gaap:AccruedRoyaltiesCurrent


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value827000.0713000.0703000.0687000.0495000.0663000.0732000.0676000.0715000.0687000.0662000.0636000.0669000.0645000.0626000.0514000.0573000.0510000.0481000.0478000.0402000.0398000.0382000.0361000.0377000.0540000.0442000.0346000.0263000.0244000.0307000.0148000.0172000.0140000.0118000.078000.0
Percentage of AccruedRoyaltiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedSalesCommissionCurrent

us-gaap:AccruedSalesCommissionCurrent


Accrued
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-31
Value7524000.04765000.03887000.03031000.03529000.08734000.07531000.06143000.05032000.08065000.06361000.05416000.04353000.06964000.04749000.04113000.03597000.05737000.04738000.03772000.03045000.06061000.04526000.04025000.02975000.04477000.03561000.02867000.02330000.03827000.03121000.01932000.01553000.01464000.01179000.01297000.0
Percentage of AccruedSalesCommissionCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent


Allowance
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
Value1121000.01096000.01096000.01096000.01096000.01096000.01124000.01122000.0618000.0549000.0547000.0392000.032000.032000.032000.082000.0107000.0101000.0246000.0262000.075000.0129000.0136000.0125000.0184000.0162000.068000.037000.077000.0109000.094000.017000.039000.055000.049000.046000.026000.051153.036694.032081.026340.08764.0
Percentage of AllowanceForDoubtfulAccountsReceivableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecurities us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:AvailableForSaleSecurities

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-31
Value20454540465.5568.5399.0294.4745.4736.7343.8852.5841.252.9995.9976.9926.9967.08.5635.5821.581.591.6151.0161.0213.0225.1425.1594.1364.1454.1581.01.0
Percentage of AvailableForSaleSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-31
Value2061882092061985981718583101332324232019223233362035515153606265721928328.508
Percentage of AvailableForSaleSecurities1032.4416.4461.5509.8429.41070.0959.8788.41905.61528.61509.2873.2898.61958.5772.5335.4272.4320.8469.8388.5648.81276.32232.83182.45110.45244.72012.91221.01275.81751.4467.6678.13236.2850.8

us-gaap:AvailableForSaleSecurities us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:InvestmentType

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring, us-gaap:USGovernmentAgenciesDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value20454540465.5568.5399.0294.4745.4736.7343.8852.5841.252.9995.9976.9926.9967.08.5635.5821.581.591.6151.0161.0213.0225.1425.1594.1364.1451.0
Percentage of AvailableForSaleSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value298.8592023221618161813143.4363.9783.038
Percentage of AvailableForSaleSecurities146.519.645.056.848.9296.5220.7180.9403.4243.3215.588.4153.9243.0

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


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value174876804213162835407.9898.541117.4728.2155.4731.9945.99611111.82.7982.7951.02.5983.247
Percentage of AvailableForSaleSecurities89.8107.2169.4199.691.7161.1184.7640.0648.6604.9205.6330.5940.0249.1137.078.328.585.7139.9214.259.654.454.224.262.7324.7

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


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value94487371482424242725306.918.0995.6062.921.4791.54.818.27610107.125162828333527245.5812
Percentage of AvailableForSaleSecurities472.8107.1162.4177.1104.2445.3291.0275.5610.1468.2448.4177.9313.4448.597.424.721.568.8118.2125.1188.1450.91064.81763.32823.33249.61169.3539.0477.9134.9301.3

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:MoneyMarketFunds


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value648238308518143.31.2769.22616152.6034.087121012141710131318222320233238654.2955.261
Percentage of AvailableForSaleSecurities323.3182.584.776.2184.6328.2169.836.528.5168.6240.5401.2100.7327.0425.9173.8172.7201.9244.1123.5246.6825.41168.11419.12287.11995.1784.0627.6743.71592.3103.6526.1

us-gaap:AvailableForSaleSecurities us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-31
Value2262332542472446590808989108372525262626293941412137535254636770762332339.508
Percentage of AvailableForSaleSecurities1132.4516.4561.5609.8529.41170.01059.8888.42005.61628.61609.2973.2998.62058.5872.5435.4372.4420.8569.8488.5748.81376.32332.83282.45210.45344.72112.91321.01375.81851.4567.6778.13336.2950.8

us-gaap:AvailableForSaleSecurities us-gaap:FairValueByMeasurementFrequency, us-gaap:InvestmentType

us-gaap:FairValueMeasurementsRecurring, us-gaap:AssetBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value298.8592023221618161813143.4363.9783.038
Percentage of AvailableForSaleSecurities146.519.645.056.848.9296.5220.7180.9403.4243.3215.588.4153.9243.0

us-gaap:FairValueMeasurementsRecurring, us-gaap:CommercialPaper


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value174876804213162835407.9898.541117.4728.2155.4731.9945.99611111.82.7982.7951.02.5983.247
Percentage of AvailableForSaleSecurities89.8107.2169.4199.691.7161.1184.7640.0648.6604.9205.6330.5940.0249.1137.078.328.585.7139.9214.259.654.454.224.262.7324.7

us-gaap:FairValueMeasurementsRecurring, us-gaap:CorporateBondSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value94487371482424242725306.918.0995.6062.921.4791.54.818.27610107.125162828333527245.5812
Percentage of AvailableForSaleSecurities472.8107.1162.4177.1104.2445.3291.0275.5610.1468.2448.4177.9313.4448.597.424.721.568.8118.2125.1188.1450.91064.81763.32823.33249.61169.3539.0477.9134.9301.3

us-gaap:FairValueMeasurementsRecurring, us-gaap:MoneyMarketFunds


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value648238308518143.31.2769.22616152.6034.087121012141710131318222320233238654.2955.261
Percentage of AvailableForSaleSecurities323.3182.584.776.2184.6328.2169.836.528.5168.6240.5401.2100.7327.0425.9173.8172.7201.9244.1123.5246.6825.41168.11419.12287.11995.1784.0627.6743.71592.3103.6526.1

us-gaap:FairValueMeasurementsRecurring, us-gaap:USGovernmentAgenciesDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value20454540465.5568.5399.0294.4745.4736.7343.8852.5841.252.9995.9976.9928.5078.5298.5635.5821.581.591.6151.0161.0213.0225.1425.1594.1364.1451.0
Percentage of AvailableForSaleSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0121.6121.8100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh

us-gaap:BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh


Business
Period End2020-12-31
Value260
Percentage of BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh100.0

us-gaap:BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh us-gaap:BusinessAcquisition

atrc:Sentreheart


Business
Period End2020-12-312019-08-13
Value260260000
Percentage of BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh100.00.0

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

atrc:NcontactSurgical, atrc:CompletionOfConvergeIdeTrialAndReceivingPmaFromFda


Business
Period End2020-12-31
Value50
Percentage of BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh19.2

us-gaap:BusinessCombinationContingentConsiderationLiability us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:BusinessCombinationContingentConsiderationLiability

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring


Business
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312014-06-302014-03-312013-12-31
Value1891871841801801871851831417182231373741414141404040400.05.378.0328.032
Percentage of BusinessCombinationContingentConsiderationLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0

us-gaap:BusinessCombinationContingentConsiderationLiability us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Business
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312014-06-302014-03-312013-12-31
Value1891871841801801871851831417182231373741414141404040400.05.378.0328.032
Percentage of BusinessCombinationContingentConsiderationLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0

us-gaap:CashFDICInsuredAmount

us-gaap:CashFDICInsuredAmount


Cash
Period End2020-12-31
Value41
Percentage of CashFDICInsuredAmount100.0

us-gaap:CommonStockCapitalSharesReservedForFutureIssuance us-gaap:PlanName

us-gaap:CommonStockCapitalSharesReservedForFutureIssuance

atrc:TwoThousandEightEmployeeStockPurchasePlan


Common
Period End2020-12-31
Value387000.0
Percentage of CommonStockCapitalSharesReservedForFutureIssuance100.0

us-gaap:ContingentConsiderationClassifiedAsEquityFairValueDisclosure us-gaap:BusinessAcquisition

us-gaap:ContingentConsiderationClassifiedAsEquityFairValueDisclosure

atrc:NcontactSurgical


Contingent
Period End2020-12-31
Value0.0
Percentage of ContingentConsiderationClassifiedAsEquityFairValueDisclosure0.0

us-gaap:ContingentConsiderationClassifiedAsEquityFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring


Contingent
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value189187184180185
Percentage of ContingentConsiderationClassifiedAsEquityFairValueDisclosure0.00.00.00.00.0

us-gaap:DebtInstrumentFeeAmount us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:DebtInstrumentFeeAmount

atrc:SiliconValleyBankAgreement, us-gaap:MediumTermNotes


Debt
Period End2021-06-302021-03-312020-09-30
Value675000.0585000.0405000.0
Percentage of DebtInstrumentFeeAmount100.0100.0100.0

us-gaap:DeferredCompensationArrangementWithIndividualCommonStockReservedForFutureIssuance us-gaap:PlanName

us-gaap:DeferredCompensationArrangementWithIndividualCommonStockReservedForFutureIssuance

atrc:TwoThousandEightEmployeeStockPurchasePlan


Deferred
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-06-302018-09-302018-06-302018-03-312017-09-302017-06-30
Value0.3380.3870.4260.4260.4910.5340.6360.1360.2250.2830.283
Percentage of DeferredCompensationArrangementWithIndividualCommonStockReservedForFutureIssuance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

atrc:TwoThousandFourteenPlan


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-06-302018-09-302018-06-302018-03-312017-09-302017-06-30
Value121212121111111110101010
Percentage of DeferredCompensationArrangementWithIndividualCommonStockReservedForFutureIssuance3816.33333.10.03027.92816.72443.82078.51745.17536.04555.13621.63621.6

us-gaap:DeferredFinanceCostsGross us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:DeferredFinanceCostsGross

atrc:SiliconValleyBankAgreement, us-gaap:MediumTermNotes


Deferred
Period End2021-06-302021-03-312020-09-30
Value339000.0366000.0420000.0
Percentage of DeferredFinanceCostsGross100.0100.0100.0

atrc:SiliconValleyBankThirdAmendedAndRestatedLoanAgreement, us-gaap:MediumTermNotes


Deferred
Period End2020-12-31
Value393000.0
Percentage of DeferredFinanceCostsGross0.0

us-gaap:DeferredTaxAssetsDeferredIncome

us-gaap:DeferredTaxAssetsDeferredIncome


Deferred
Period End2020-12-312019-12-312018-12-31
Value1598000.0909000.0774000.0
Percentage of DeferredTaxAssetsDeferredIncome100.0100.0100.0

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsGross


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value1171016967817359543129
Percentage of DeferredTaxAssetsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsInventory

us-gaap:DeferredTaxAssetsInventory


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value1360000.01007000.0726000.0588000.01503000.01310000.0669000.0290000.0228000.0271000.0
Percentage of DeferredTaxAssetsInventory100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value1231116864847849462220
Percentage of DeferredTaxAssetsOperatingLossCarryforwards100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsOther


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value293000.0287000.0135000.0179000.066000.053000.041000.09000.02000.01000.0
Percentage of DeferredTaxAssetsOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxCreditCarryforwardsResearch

us-gaap:DeferredTaxAssetsTaxCreditCarryforwardsResearch


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value9365000.08193000.06206000.05339000.05446000.05677000.04799000.04425000.03603000.0
Percentage of DeferredTaxAssetsTaxCreditCarryforwardsResearch100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxCreditCarryforwardsResearch us-gaap:IncomeTaxAuthority

us-gaap:DomesticCountry


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value9365000.08168000.06154000.06392000.05344000.05575000.04697000.05207000.0
Percentage of DeferredTaxAssetsTaxCreditCarryforwardsResearch100.099.799.2119.798.198.297.9117.7

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value8623000.08233000.04750000.06955000.08406000.06618000.04497000.02477000.04082000.03473000.0
Percentage of DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value3739000.03513000.0802000.0874000.0914000.0539000.0536000.01007000.0269000.0295000.0
Percentage of DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value3030111116160.1490.186
Percentage of DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value1315000.01482000.0608000.0339000.01487000.01740000.0760000.0173000.0
Percentage of DeferredTaxLiabilitiesPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeRelatedLiabilitiesCurrent

us-gaap:EmployeeRelatedLiabilitiesCurrent


Employee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-312013-12-31
Value279.8888.5767.4317.3227.4346.7486.1494.565.6834.5124.984.375.3234.0974.4993.5784.8794.3264.0763.3814.6944.0213.1952.2811.404
Percentage of EmployeeRelatedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized us-gaap:AwardType

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized

atrc:StockOptionsAndRestrictedStock


Employee
Period End2020-12-31
Value18
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized100.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions us-gaap:AwardType

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions

us-gaap:PerformanceShares


Employee
Period End2020-12-312016-12-312015-12-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-31
Value6.940.0440.3130.8591.0151.171.3240.5030.5490.5940.787
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedStock


Employee
Period End2020-12-312016-12-312015-12-312014-12-312014-09-302014-06-302014-03-312013-12-312013-06-302013-03-312012-12-312012-09-30
Value1718137.1386.967.5668.1682.92.912.8973.5473.076
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions252.040990.94410.9831.0685.7646.7616.90.0530.1487.7450.70.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions us-gaap:AwardType

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions

us-gaap:EmployeeStockOption


Employee
Period End2020-12-312019-12-312018-12-31
Value1075000.0997000.01432000.0
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions100.0100.0100.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value18918718418018018718518314171822313737410.00.05.378.0328.0320.0
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.00.0

us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel3


Fair
Period End2020-12-312019-12-312018-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312013-12-31
Value184185183741414141404040408.032
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue100.0100.0100.0100.00.00.00.0100.00.00.00.00.0100.0

us-gaap:FinanceLeaseLiability

us-gaap:FinanceLeaseLiability


Finance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value111111111212121212
Percentage of FinanceLeaseLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseLiabilityCurrent

us-gaap:FinanceLeaseLiabilityCurrent


Finance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value853000.0845000.0823000.0799000.0780000.0766000.0753000.0
Percentage of FinanceLeaseLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseLiabilityNoncurrent

us-gaap:FinanceLeaseLiabilityNoncurrent


Finance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value1010101111111111111212
Percentage of FinanceLeaseLiabilityNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseLiabilityPaymentsDue

us-gaap:FinanceLeaseLiabilityPaymentsDue


Finance
Period End2021-06-302021-03-312020-12-312020-09-30
Value15151616
Percentage of FinanceLeaseLiabilityPaymentsDue100.0100.0100.0100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueAfterYearFive


Finance
Period End2021-06-302021-03-312020-12-31
Value8172000.08173000.08172000.0
Percentage of FinanceLeaseLiabilityPaymentsDueAfterYearFive100.0100.0100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths


Finance
Period End2021-06-302021-03-312020-12-312020-09-30
Value1629000.01629000.01608000.01602000.0
Percentage of FinanceLeaseLiabilityPaymentsDueNextTwelveMonths100.0100.0100.0100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFive


Finance
Period End2020-12-31
Value1625000.0
Percentage of FinanceLeaseLiabilityPaymentsDueYearFive100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFour

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFour


Finance
Period End2021-06-302021-03-312020-12-312020-09-30
Value1625000.01625000.01674000.01670000.0
Percentage of FinanceLeaseLiabilityPaymentsDueYearFour100.0100.0100.0100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearThree

us-gaap:FinanceLeaseLiabilityPaymentsDueYearThree


Finance
Period End2021-06-302021-03-312020-12-312020-09-30
Value1674000.01675000.01652000.01646000.0
Percentage of FinanceLeaseLiabilityPaymentsDueYearThree100.0100.0100.0100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo

us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo


Finance
Period End2021-06-302021-03-312020-12-312020-09-30
Value1652000.01652000.01629000.01623000.0
Percentage of FinanceLeaseLiabilityPaymentsDueYearTwo100.0100.0100.0100.0

us-gaap:FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear

us-gaap:FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear


Finance
Period End2021-06-302021-03-312020-09-30
Value806000.01206000.0196000.0
Percentage of FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear100.0100.0100.0

us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount

us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount


Finance
Period End2021-06-302021-03-312020-12-312020-09-30
Value4165000.04366000.04568000.04565000.0
Percentage of FinanceLeaseLiabilityUndiscountedExcessAmount100.0100.0100.0100.0

us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent

us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent


Finance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value6.916.916.916.910.06930.070.07
Percentage of FinanceLeaseWeightedAverageDiscountRatePercent100.0100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value10109.8139.5759.1088.628.1317.6427.1567.5017.0175.7045.3625.8495.5075.1664.8244.4824.144.0373.6263.2152.8042.4092.1071.8041.5010.08
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization us-gaap:FiniteLivedIntangibleAssetsByMajorClass

atrc:FusionTechnology


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value10109.8139.5759.1088.628.1317.6427.1565.1364.7634.394.1593.9283.6973.4663.2353.0042.7732.5412.312.0791.8481.6171.3861.1550.924
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.068.567.977.077.667.267.167.167.167.067.062.963.764.765.967.165.864.061.6

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive


Finite
Period End2021-06-302021-03-312020-12-312020-09-30
Value300.1550.1550.173
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths


Finite
Period End2021-06-302021-03-312020-12-312020-09-30
Value3653000.0718000.0951000.01511000.0
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear


Finite
Period End2021-06-302021-03-312020-09-30
Value1943000.0713000.0378000.0
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive


Finite
Period End2020-12-31
Value18000.0
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearFive100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour


Finite
Period End2021-06-302021-03-312020-12-312020-09-30
Value2953000.018000.018000.018000.0
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearFour100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree


Finite
Period End2021-06-302021-03-312020-12-312020-09-30
Value2953000.018000.018000.018000.0
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearThree100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo


Finite
Period End2021-06-302021-03-312020-12-312020-09-30
Value2953000.018000.0718000.018000.0
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsGross

us-gaap:FiniteLivedIntangibleAssetsGross


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value13813813813813813813813855565655555656565656565656565610101010
Percentage of FiniteLivedIntangibleAssetsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsGross us-gaap:FiniteLivedIntangibleAssetsByMajorClass

atrc:FusionTechnology


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value5511111111111111119.2429.2429.2429.2429.2429.2429.2429.2429.2429.2429.2429.2429.2429.2429.2429.2429.2429.242
Percentage of FiniteLivedIntangibleAssetsGross40.48.58.58.58.58.58.58.520.616.416.416.716.716.416.416.416.416.416.416.316.316.316.389.089.089.089.0

us-gaap:InProcessResearchAndDevelopment


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value82126126126126126126126444444444444444444444444444444
Percentage of FiniteLivedIntangibleAssetsGross59.691.591.591.591.591.591.591.579.478.278.279.479.478.278.278.278.278.278.277.877.877.877.8

us-gaap:InventoryFinishedGoodsNetOfReserves

us-gaap:InventoryFinishedGoodsNetOfReserves


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value2122201917181714121212101111131412111011121010109.5369.4538.4318.2296.7756.0625.4633.382.9992.1011.9773.12.7332.821
Percentage of InventoryFinishedGoodsNetOfReserves100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InventoryRawMaterialsNetOfReserves

us-gaap:InventoryRawMaterialsNetOfReserves


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value1211111212111110109.9889.18.8178.7298.8047.7556.4555.8125.9215.7195.3865.5816.2286.1595.3715.2864.4844.4294.5293.9393.6013.2792.5122.2692.5533.0663.1682.8783.233
Percentage of InventoryRawMaterialsNetOfReserves100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InventoryWorkInProcessNetOfReserves

us-gaap:InventoryWorkInProcessNetOfReserves


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value3599000.02564000.02424000.02774000.02226000.02316000.01260000.02223000.01849000.02026000.01232000.02658000.01549000.01803000.01299000.01381000.01787000.01294000.01221000.01734000.01418000.02023000.0974000.01013000.01251000.01169000.01397000.01805000.01952000.01419000.01472000.01170000.0760000.01039000.0675000.0610000.0880000.0509000.0
Percentage of InventoryWorkInProcessNetOfReserves100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentOwnedAtCost

us-gaap:InvestmentOwnedAtCost


Investment
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value216659212221840194.246
Percentage of InvestmentOwnedAtCost100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentOwnedAtCost us-gaap:InvestmentType

us-gaap:AssetBackedSecurities


Investment
Period End2020-12-312019-12-312018-12-31
Value201814
Percentage of InvestmentOwnedAtCost9.428.615.7

us-gaap:CommercialPaper


Investment
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312014-12-312013-12-312012-12-31
Value7613406.7235.9961.82.5983.247
Percentage of InvestmentOwnedAtCost35.520.944.253.226.34.513.576.5

us-gaap:CorporateBondSecurities


Investment
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value7324302.9258.284163512
Percentage of InvestmentOwnedAtCost34.137.632.823.136.391.488.065.0

us-gaap:USGovernmentAgenciesDebtSecurities


Investment
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value458.5296.7343.08.5421.5963.024
Percentage of InvestmentOwnedAtCost21.012.97.323.737.48.67.5

us-gaap:InvestmentOwnedAtFairValue

us-gaap:InvestmentOwnedAtFairValue


Investment
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value21665921222184019
Percentage of InvestmentOwnedAtFairValue100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentOwnedAtFairValue us-gaap:InvestmentType

us-gaap:AssetBackedSecurities


Investment
Period End2020-12-312019-12-312018-12-31
Value201814
Percentage of InvestmentOwnedAtFairValue9.428.615.7

us-gaap:CommercialPaper


Investment
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312014-12-312013-12-31
Value7613406.7235.9961.82.598
Percentage of InvestmentOwnedAtFairValue35.520.844.253.226.34.513.5

us-gaap:CorporateBondSecurities


Investment
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value7324302.928.276163512
Percentage of InvestmentOwnedAtFairValue34.137.732.823.136.391.488.064.9

us-gaap:USGovernmentAgenciesDebtSecurities


Investment
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value458.5396.7342.9998.5291.593.022
Percentage of InvestmentOwnedAtFairValue21.012.97.323.737.48.67.5

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value895000.0637000.0927000.01207000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths100.0100.0100.0100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear

us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear


Lessee
Period End2021-06-302021-03-312020-09-30
Value415000.0596000.0284000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear100.0100.0100.0

us-gaap:LiabilitiesFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:LiabilitiesFairValueDisclosure

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-312011-06-30
Value1891871841801801871851831417182231373741414141404040400.1340.120.0285.5568.2378.3820.1460.120.0920.0780.1360.2210.2080.208
Percentage of LiabilitiesFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LiabilitiesFairValueDisclosure us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-312011-06-30
Value1891871841801801871851831417182231373741414141404040400.1340.120.0285.5568.2378.3820.1460.120.0920.0780.1360.2210.2080.208
Percentage of LiabilitiesFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LineOfCreditFacilityCurrentBorrowingCapacity us-gaap:CreditFacility, us-gaap:DebtInstrument

us-gaap:LineOfCreditFacilityCurrentBorrowingCapacity

us-gaap:RevolvingCreditFacility, atrc:SiliconValleyBankThirdAmendedAndRestatedLoanAgreement


Line
Period End2020-12-31
Value8.75
Percentage of LineOfCreditFacilityCurrentBorrowingCapacity100.0

us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity us-gaap:CreditFacility, us-gaap:DebtInstrument

us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity

us-gaap:RevolvingCreditFacility, atrc:SiliconValleyBankAgreement


Line
Period End2021-06-302021-03-312020-09-302016-03-312015-09-30
Value2020201515
Percentage of LineOfCreditFacilityMaximumBorrowingCapacity100.0100.0100.0100.0100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths


Long
Period End2021-06-302021-03-312020-12-312020-09-30
Value20206.66714
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths100.0100.0100.0100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour


Long
Period End2020-12-312020-09-30
Value1311
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour100.0100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree


Long
Period End2021-06-302021-03-312020-12-312020-09-30
Value13132017
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree100.0100.0100.0100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo


Long
Period End2021-06-302021-03-312020-12-312020-09-30
Value20202017
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo100.0100.0100.0100.0

us-gaap:LossContingencyAccrualCarryingValueCurrent

us-gaap:LossContingencyAccrualCarryingValueCurrent


Loss
Period End2020-12-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value6000000.000372000.0742000.01259000.01486000.01364000.01241000.01120000.0
Percentage of LossContingencyAccrualCarryingValueCurrent100.00.00.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LossContingencyAccrualCarryingValueCurrent us-gaap:RelatedPartyTransactionsByRelatedParty

atrc:FormerNcontactStockholders


Loss
Period End2020-12-31
Value6000000.0
Percentage of LossContingencyAccrualCarryingValueCurrent100.0

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value5.615.695.685.670.05680.0590.059
Percentage of OperatingLeaseWeightedAverageDiscountRatePercent100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLossCarryforwards us-gaap:IncomeTaxAuthority

us-gaap:OperatingLossCarryforwards

us-gaap:DomesticCountry


Operating
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value1168018240222205129
Percentage of OperatingLossCarryforwards100.0100.0100.0100.0100.0100.0100.0

us-gaap:ForeignCountry


Operating
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value49423730221714
Percentage of OperatingLossCarryforwards42.753.3206.812.710.08.710.8

us-gaap:StateAndLocalJurisdiction


Operating
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value301260154147135136716326
Percentage of OperatingLossCarryforwards259.2325.7846.961.560.966.455.00.00.0

us-gaap:OperatingLossCarryforwards us-gaap:IncomeTaxAuthority, us-gaap:TaxPeriod

us-gaap:DomesticCountry, atrc:TaxYear2021And2038


Operating
Period End2020-12-312019-12-312018-12-31
Value339340239
Percentage of OperatingLossCarryforwards291.6424.61312.1

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization


Property
Period End2021-06-302021-03-312020-12-312019-12-31
Value5570000.05396000.05247000.04197000.0
Percentage of PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization100.0100.0100.0100.0

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization us-gaap:PropertyPlantAndEquipmentByType

us-gaap:AssetsHeldUnderCapitalLeases


Property
Period End2020-09-302019-12-31
Value4983000.04197000.0
Percentage of PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization0.0100.0

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization


Property
Period End2021-06-302021-03-312020-12-312019-12-31
Value9.089.2549.41210
Percentage of PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization100.0100.0100.0100.0

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization us-gaap:PropertyPlantAndEquipmentByType

us-gaap:AssetsHeldUnderCapitalLeases


Property
Period End2020-09-302019-12-31
Value9.6910
Percentage of PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization0.0100.0

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization


Property
Period End2021-06-302021-03-312020-12-312019-12-31
Value14141414
Percentage of PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization100.0100.0100.0100.0

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization us-gaap:PropertyPlantAndEquipmentByType

us-gaap:AssetsHeldUnderCapitalLeases


Property
Period End2020-09-302019-12-31
Value1414
Percentage of PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization0.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber

atrc:PerformanceStockAwards


Share
Period End2020-12-312019-12-312018-12-31
Value287000.0264000.090000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber100.0100.0100.0

us-gaap:RestrictedStock


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-312010-12-31
Value935000.01402000.01746000.01845000.01416000.01071000.0560000.0551000.0561000.0576000.0248000.0288000.0257000.0285000.0504000.0358000.0425000.0403000.0372000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber325.8531.11940.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

atrc:PerformanceStockAwards


Share
Period End2020-12-312019-12-312018-12-31
Value39.726.3417.71
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue100.0100.0100.0

us-gaap:RestrictedStock


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-312010-12-31
Value30.9221.7618.1918.2217.417.316.3315.6115.5115.347.757.627.317.227.938.577.977.684.39
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue77.982.6102.70.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant us-gaap:PlanName

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant

atrc:TwoThousandFourteenPlan


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-05-312019-09-302019-06-30
Value1.4931.5861.9321.9161.0240.91.6210.8
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber

us-gaap:EmployeeStockOption


Share
Period End2020-12-312019-12-312018-12-312017-12-31
Value807000.01392000.01419000.01766000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber100.0100.0100.0100.0

us-gaap:PerformanceShares


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-06-302014-03-312013-12-312013-03-312012-12-31
Value175000.0350000.0350000.0250000.0250000.0250000.0250000.0250000.050000.000
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber21.725.124.714.20.00.00.00.00.00.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice

us-gaap:EmployeeStockOption


Share
Period End2020-12-312019-12-312018-12-312017-12-31
Value14.6113.5512.9912.48
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice100.0100.0100.0100.0

us-gaap:PerformanceShares


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value21.0413.4813.4813.4813.4813.48
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice144.099.5103.8108.00.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue

us-gaap:EmployeeStockOption


Share
Period End2020-12-312019-12-312018-12-312017-12-31
Value35272611
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue100.0100.0100.0100.0

us-gaap:PerformanceShares


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value6.0858.5665.5552.7743.0744.034
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue17.231.320.923.60.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue

us-gaap:EmployeeStockOption


Share
Period End2020-12-312019-12-312018-12-312017-12-31
Value35272611
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber

us-gaap:EmployeeStockOption


Share
Period End2020-12-312019-12-312018-12-312017-12-31
Value900000.01503000.01574000.02004000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice

us-gaap:EmployeeStockOption


Share
Period End2020-12-312019-12-312018-12-312017-12-31
Value16.4914.3513.7813.23
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice100.0100.0100.0100.0

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1 us-gaap:AwardType

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1

us-gaap:EmployeeStockOption


Sharebased
Period End2020-12-312019-12-312018-12-312017-12-31
Value33262411
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1100.0100.0100.0100.0

us-gaap:PerformanceShares


Sharebased
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value6.0856.6624.3211.5411.7082.241
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue118.425.217.313.40.00.0

us-gaap:UndistributedEarningsOfForeignSubsidiaries

us-gaap:UndistributedEarningsOfForeignSubsidiaries


Undistributed
Period End2020-12-31
Value235000.0
Percentage of UndistributedEarningsOfForeignSubsidiaries100.0

us-gaap:ValuationAllowancesAndReservesBalance us-gaap:ValuationAllowancesAndReservesType

us-gaap:ValuationAllowancesAndReservesBalance

us-gaap:InventoryValuationReserve


Valuation
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value1.7791.5171.0290.8891.080.8430.5220.7820.2670.2060.0320.183
Percentage of ValuationAllowancesAndReservesBalance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SalesReturnsAndAllowances


Valuation
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value1.8893.9791.411.1690.8340.207
Percentage of ValuationAllowancesAndReservesBalance106.2262.3137.0131.577.224.6

us-gaap:ValuationAllowanceOfDeferredTaxAssets


Valuation
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value11710169668173595431292726
Percentage of ValuationAllowancesAndReservesBalance6578.16669.66788.07533.57590.98740.511406.96932.411867.014231.185350.014313.7

Line plots across dimensions of each concept


TTM Greenblatt ROC
_
(None,)
T T M  Greenblatt  R O C_
us-gaap:AllocatedShareBasedCompensationExpense
us-gaap:IncomeStatementLocation
(None,)
Allocated Share Based Compensation Expenseus-gaap: Income Statement Location
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:StatementGeographical
(None,)
Revenue From Contract With Customer Excluding Assessed Taxus-gaap: Statement Geographical
us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents
(None,)
Stockholders Equityus-gaap: Statement Equity Components
us-gaap:PropertyPlantAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType
(None,)
Property Plant And Equipment Grossus-gaap: Property Plant And Equipment By Type
us-gaap:PropertyPlantAndEquipmentNet
us-gaap:PropertyPlantAndEquipmentByType
(None,)
Property Plant And Equipment Netus-gaap: Property Plant And Equipment By Type
us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents
(None,)
Stockholders Equityus-gaap: Statement Equity Components
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax
us-gaap:StatementEquityComponents
(None,)
Accumulated Other Comprehensive Income Loss Net Of Taxus-gaap: Statement Equity Components
us-gaap:StockIssuedDuringPeriodValueNewIssues
us-gaap:StatementEquityComponents
(None,)
Stock Issued During Period Value New Issuesus-gaap: Statement Equity Components