IRTC


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

Table of contents



us-gaap:CommonStockValue

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareBasicAndDiluted

us-gaap:AllocatedShareBasedCompensationExpense
us-gaap:AwardDate, us-gaap:AwardType, us-gaap:PlanName
us-gaap:AwardType, us-gaap:PlanName
us-gaap:IncomeStatementLocation
us-gaap:PlanName

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:CostOfRevenue

us-gaap:GrossProfit

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments

us-gaap:IncomeTaxExpenseBenefit

us-gaap:InterestExpense

us-gaap:InterestPaidNet

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:OperatingExpenses

us-gaap:OperatingIncomeLoss

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:ProfitLoss

us-gaap:ResearchAndDevelopmentExpense

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ProductOrService

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:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:AccountsReceivableNetCurrent

us-gaap:InventoryNet

us-gaap:PrepaidExpenseAndOtherAssetsCurrent

us-gaap:PropertyPlantAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:DeferredTaxAssetsLiabilitiesNet

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OtherAssetsNoncurrent
us-gaap:PublicUtilitiesInventory
us-gaap:OtherAssets

us-gaap:AccountsPayableCurrent

us-gaap:AccruedLiabilitiesCurrent

us-gaap:ContractWithCustomerLiabilityCurrent

us-gaap:DebtCurrent

us-gaap:LiabilitiesCurrent

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:LongTermDebt
us-gaap:DebtInstrument

us-gaap:LongTermDebtNoncurrent

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:OperatingLeaseLiability

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:StockIssuedDuringPeriodValueNewIssues
us-gaap:StatementEquityComponents

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:IncreaseDecreaseInAccountsPayable

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:IncreaseDecreaseInInventories

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:ProfitLoss

us-gaap:ShareBasedCompensation

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:RepaymentsOfLongTermDebt

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxAssetsNet

us-gaap:UnrecognizedTaxBenefits

us-gaap:DeferredTaxAssetsValuationAllowance

irtc:AccountsReceivableAllowanceForContractualAdjustments

irtc:AccountsReceivableContractualAdjustments

irtc:AllowanceForDoubtfulAccountsReceivableWriteOffsNetOfRecoveriesAndOtherAdjustments
us-gaap:CounterpartyName
irtc:CollaborationAgreementMilestoneExpense

irtc:IncreaseDecreaseInOperatingLeaseLiabilities

irtc:OperatingLeaseRightOfUseAssetsAmortization
us-gaap:Range, us-gaap:AwardDate, us-gaap:AwardType, us-gaap:PlanName
irtc:PercentageOfPerformanceTargetToBeEarnedAtPerformanceThreshold

irtc:PropertyPlantAndEquipmentCostsIncludedInLiabilities

irtc:ProvisionForDoubtfulAccountsAndContractualAllowances
us-gaap:Range, us-gaap:AwardDate, us-gaap:AwardType, us-gaap:PlanName
irtc:ShareBasedPaymentArrangementByShareBasedPaymentAwardPerformanceThresholdPercentage

us-gaap:AccretionAmortizationOfDiscountsAndPremiumsInvestments

us-gaap:AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation
us-gaap:StatementEquityComponents
us-gaap:MajorCustomers, us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType
us-gaap:ConcentrationRiskPercentage1

us-gaap:ContractWithCustomerLiabilityRevenueRecognized

us-gaap:DepreciationAndAmortization

us-gaap:EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount

us-gaap:IncreaseDecreaseInAccruedLiabilities

us-gaap:IncreaseDecreaseInContractWithCustomerLiability

us-gaap:IncreaseDecreaseInOtherNoncurrentAssets

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
us-gaap:StatementEquityComponents

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesDebt

us-gaap:ProceedsFromIssuanceOfCommonStock

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt

us-gaap:ProceedsFromStockOptionsExercised

us-gaap:ProvisionForDoubtfulAccounts

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised
us-gaap:StatementEquityComponents

irtc:AccountsReceivableForContractualAllowance

irtc:AccruedEmployeeStockPurchasePlanContribution

irtc:CashEquivalentsAndCurrentAndNoncurrentInvestments

irtc:ClaimsPayableCurrent
us-gaap:CounterpartyName
irtc:CollaborationAgreementAccruedLiabilities
us-gaap:DebtInstrument
irtc:DebtInstrumentInterestPortion

irtc:DeferredTaxAssetsLeaseObligations

irtc:DeferredTaxAssetsValuationAllowancesAndOther

irtc:InventoryAndPrintedCircuitBoardAssemblies
us-gaap:PublicUtilitiesInventory
us-gaap:DebtInstrument
irtc:LongTermDebtCarryingValue

irtc:OperatingLeaseLiabilitiesCurrentPortion
us-gaap:AwardDate, us-gaap:AwardType, us-gaap:PlanName
irtc:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodAggregateGrantDateFairValue

us-gaap:AccruedProfessionalFeesCurrent

us-gaap:AccruedSalariesCurrent

us-gaap:AccruedVacationCurrent

us-gaap:AllowanceForDoubtfulAccountsReceivable

us-gaap:AssetsFairValueDisclosure
us-gaap:FairValueByAssetClass
us-gaap:FairValueByAssetClass, us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
us-gaap:InvestmentType

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
us-gaap:InvestmentType

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis
us-gaap:CashAndCashEquivalents
us-gaap:InvestmentType

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesRemainderOfFiscalYearFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue

us-gaap:AvailableForSaleSecuritiesDebtSecurities
us-gaap:CashAndCashEquivalents
us-gaap:InvestmentType

us-gaap:AvailableForSaleSecuritiesDebtSecuritiesCurrent

us-gaap:CashCashEquivalentsAndShortTermInvestments

us-gaap:CashEquivalentsAtCarryingValue
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
us-gaap:DebtInstrumentFairValue
us-gaap:FairValueByMeasurementBasis

us-gaap:DebtLongtermAndShorttermCombinedAmount

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months
us-gaap:InvestmentType

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
us-gaap:InvestmentType

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPosition
us-gaap:InvestmentType

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss
us-gaap:InvestmentType
us-gaap:DebtInstrument
us-gaap:DeferredFinanceCostsNet

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsDomestic

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal

us-gaap:DeferredTaxAssetsTaxCreditCarryforwards

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost

us-gaap:DeferredTaxLiabilitiesLeasingArrangements

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment
us-gaap:AwardType
us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions
us-gaap:AwardType
us-gaap:SubsidiarySaleOfStock

us-gaap:InterestPayableCurrent

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths
us-gaap:DebtInstrument
us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths
us-gaap:DebtInstrument
us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree
us-gaap:DebtInstrument
us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent

us-gaap:SaleOfStockPricePerShare
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice
us-gaap:AwardType
us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1
us-gaap:IncomeTaxAuthority
us-gaap:TaxCreditCarryforwardValuationAllowance

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate

Plots across concepts


IncomeStatement
Comprehensive Income Net Of Tax
Expenses
Other Nonoperating Income Expense
Balance Sheet
Goodwill
Assets
Inventory Net
Current Assets
Prepaid Expense And Other Assets Current
NonCurrent Assets
Goodwill
PropertyPlantAndEquipmentNet
Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
Liabilities
Liabilities Current
Current Liabilities
Contract With Customer Liability Current
Noncurrent Liabilities
Other Liabilities Noncurrent
Stockholders Equity
Retained Earnings Accumulated Deficit
CashFlow
Net Income Loss
NetCashProvidedByUsedInOperatingActivities
Net Income Loss
NetCashProvidedByUsedInInvestingActivities
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInFinancingActivities
Net Cash Provided By Used In Financing Activities
Shares
Weighted Average Number Of Share Outstanding Basic And Diluted
OperatingLeaseLiability
Operating Lease Liability Current
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Payments Due Next Twelve Months

Tables

  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
us-gaap:CommonStockValue ████▇▇▇▇▇▇▇▇▇▇▇███▆▁0.0270.0270.0270.0270.0250.0250.0250.0250.0230.0240.0230.0230.0230.0230.0230.0280.0270.0270.0220.001NANA0.001NANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding 29.318894NANANA27.176601NANANANANANANANANANANANANANANANANANANANANA
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic 29.318894NANANA27.176601NANANANANANANANANANANANANANANANANANANANANA
us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted NA29.16443NA28.0502127.17660126.83987NA25.24783124.72480824.474308NA24.0590123.74713123.479955NA22.81190722.36260822.151926NA1.4543071.4354831.413052NA1.409758NANA
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount ▁█1.602351.765487NANA2.0872542.168722NANANA2.78753NA2.8159682.965243.281897NA3.3468833.6178653.86532NA16.40463316.39474316.376546NA16.157337NANA
us-gaap:EarningsPerShareBasic -0.59NANANA-0.75NANANANANANANANANANANANANANANANANANANANANA
us-gaap:EarningsPerShareDiluted -0.59NANANA-0.75NANANANANANANANANANANANANANANANANANANANANA
us-gaap:EarningsPerShareBasicAndDiluted NA-0.95-0.33-0.17-0.75-0.34-0.65-0.72-0.46-0.33-0.61-0.43-0.51-0.47-0.48-0.29-0.29-0.24-0.37-2.8-3.12-4.34-5.46-4.07-3.66-3.31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
us-gaap:AllocatedShareBasedCompensationExpense ▁▁▁▁▁▁█▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁10.2620.2313.99817.4449.7680.30526221.9367.4017.334.4154.7954.2114.0763.2473.0992.7312.2652.0280.620.4010.4430.4080.3750.318NANA
us-gaap:ComprehensiveIncomeNetOfTax ▄▁▆█▃▇▄▄▆▇▅▆▆▆▆▇▇█▇██▇-17.365-27.778-9.708-4.79-20.62-8.783-17.257-18.314-11.434-7.976-14.596-10.235-12.159-11.137-11.186-6.503-6.466-5.322-6.275-4.075-4.436-6.126NANANANA
us-gaap:CostOfRevenue █▇▆▆▅▅▄▄▄▄▃▃▃▃▂▂▂▂▂▁▁▁▁▁25.99523.45820.49818.23215.48416.06313.91513.78512.82511.7310.5299.9499.498.6117.7066.926.7446.3375.7865.2825.1564.6594.1613.748NANA
us-gaap:GrossProfit █▇█▇▅▇▆▆▆▅▅▄▄▃▃▃▃▂▂▂▂▂▁▁▁▁55.28350.85358.31153.71235.39447.47245.18940.88840.50635.48432.62628.15525.97921.95420.47618.11517.1115.112.91811.49810.5788.1956.6935.5965.2693.882
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments ▄▁▆█▃▇▄▄▆▇▅▆▆▆-17.244-27.681-9.675-4.572-20.306-9.048-17.282-18.273-11.452-8.007-14.128-9.727-12.206-11.117NANANANANANANANANANANANA
us-gaap:IncomeTaxExpenseBenefit ▇▇▁▇█▃▃▃▃▃▄▂▂▂▂▂▂▂▂▂▂▂▂0.1160.098-0.0240.1050.1310.0170.0180.020.0150.0120.0440.00.00.00.00.00.00.00.00.00.00.00.0NANANA
us-gaap:InterestExpense ▂▂▃▃▃▃▃▃▃▃▄████████▇▇▇▅▁0.3070.3350.3740.3840.3810.380.3850.4090.440.4090.5350.8610.8610.8580.8640.8620.8390.8220.860.8070.8030.7950.5820.222NANA
us-gaap:InterestPaidNet ▁▁▁▁▁▁▁▁▁▁█▂▂▂▁▂0.3270.3310.370.3360.4020.3940.3980.410.4250.4113.5130.8040.9610.7870.3980.777NANANANANANANANANANA
us-gaap:NetIncomeLoss ▄▁▆█▃▇▄▄▆▇▅▆▆▆▆▇▇█▇██▇▇███-17.36-27.779-9.651-4.677-20.437-9.065-17.3-18.293-11.467-8.019-14.713-10.244-12.206-11.117-11.149-6.524-6.444-5.303-6.266-4.075-4.436-6.126-7.702-5.746-4.959-4.392
 us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents us-gaap:RetainedEarnings▄▁▆█▃▇▄▄▆▇-17.36-27.779-9.651-4.677-20.437-9.065-17.3-18.293-10.725-8.019NA-9.727-13.304-11.117NANANANANANANANANANANANA
us-gaap:OperatingExpenses ▇█▇▆▆▆▆▆▅▄▄▄▄▃▃▂▂▂▂▁▁▁▁▁72.27578.32367.89258.46955.55656.64562.91559.14851.82843.46144.17537.90337.65832.59631.09824.09823.03119.84517.26614.16414.27513.06613.58711.096NANA
us-gaap:OperatingIncomeLoss ▄▁▆▇▃▆▄▄▆▇▅▆▅▆▆▇▇▇███▇▇▇-16.992-27.47-9.581-4.757-20.162-9.173-17.726-18.26-11.322-7.977-11.549-9.748-11.679-10.642-10.622-5.983-5.921-4.745-4.348-2.666-3.697-4.871-6.894-5.5NANA
us-gaap:OtherNonoperatingIncomeExpense ▅▅▆▇▆▇█▆▆▆▇▆▆▆▆▆▆▆▁▃▅▃▄▅0.0550.1240.280.5690.2370.5050.8290.3960.310.3790.4440.3650.3340.3830.3370.3210.3160.264-1.058-0.6020.064-0.46-0.226-0.024NANA
us-gaap:ProfitLoss ▄▁▆█▃▇▄▄▆▇▅▆▆▆▆▇-17.36-27.779-9.651-4.677-20.437-9.065-17.3-17.782-11.467-8.019-14.713-10.244-12.206-11.117-11.149-6.524NANANANANANANANANANA
us-gaap:ResearchAndDevelopmentExpense ▆▅▇▅▇▅▆█▅▄▄▃▃▂▃▂▂▂▁▁▁▁▁▁9.6068.5111.6048.76812.5428.4159.26813.4998.6396.7567.0035.1644.5644.0194.1483.792.7762.6212.3031.6351.6671.5451.81.651NANA
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax █▇█▇▅▆▆▅▅▅▄▄▄▃▃▃▃▂▂▂▂▂▁▁▁▁81.27874.31178.80971.94450.87863.53559.10454.67353.33147.21443.15538.10435.46930.56528.18325.03523.85421.43718.70416.7815.73412.85410.8549.3448.8877.055
us-gaap:SellingGeneralAndAdministrativeExpense ▇█▆▆▅▅▆▅▅▄▄▄▄▃▃▂▂▂▂▁▁▁▁▁62.66969.81356.28849.70143.01448.2353.64745.64943.18936.70537.17232.73933.09428.57726.9520.30820.25517.22414.96312.52912.60811.52111.7879.445NANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
us-gaap:Assets ████▅▅▅▅▄▂▂▂▂▂▃▃▃▃▃▁485.224478.487511.739497.201276.224282.94306.212310.08207.295117.184119.71118.989120.918122.321133.123133.655134.376132.801138.15627.38NANA37.872NANANA
us-gaap:Liabilities █▇█▇▇▇█▇▇▂▂▂▁▁▂▁▁▁▁▁178.782168.915170.127162.655158.278157.963170.803167.495158.68767.46165.28855.03152.45149.69853.5748.26646.9543.48945.59445.212NANA42.4NANANA
us-gaap:LiabilitiesAndStockholdersEquity ████▅▅▅▅▄▂▂▂▂▂▃▃▃▃▃▁485.224478.487511.739497.201276.224282.94306.212310.08207.295117.184119.71118.989120.918122.321133.123133.655134.376132.801138.15627.38NANA37.872NANANA
us-gaap:StockholdersEquity ▇███▅▅▅▅▄▄▄▄▄▄▄▄▄▄▄▁306.442309.572341.612334.546117.946124.977135.409142.58548.60849.72354.42263.95868.46772.62379.55385.38987.42689.31292.562-114.928NANA-101.624NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
us-gaap:AssetsCurrent ▇▇██▄▄▄▄▂▂▃▃▃▃▃▃▃▃▃▁335.567336.106377.825365.939146.535154.431172.792184.8894.97493.308106.482106.731109.656111.542119.581122.788123.817106.597118.60817.845NANA32.829NANANA
us-gaap:CashAndCashEquivalentsAtCarryingValue ██▅▆▅▄▂▃▂▂▂▂▂▂▁▂▂▂▃▁▁▁▂▁138.872137.37588.62895.33681.7356.51420.46234.63416.15428.23520.02317.34519.24116.4738.67120.42916.24915.58351.6435.7618.97414.24525.2087.127NANA
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents ██▅▆▅▃▁▂▁138.872137.37588.62895.33681.7356.51420.46234.63415.984NA20.023NANA16.4738.671NANA15.67451.734NANANANANANANA
us-gaap:AccountsReceivableNetCurrent ██▄▄▃▃▃▃▄▃▃▂▂▂▁▁▁▁▁▁63.42359.98229.93228.95522.87724.21123.86725.00329.13728.25221.97720.46519.06517.16512.95312.03910.85110.9829.4069.308NANA5.577NANANA
us-gaap:InventoryNet █▆▅▄▄▄▃▃▂▂▂▂▂▂▁▁▁▁▁▁9.2616.8635.3135.0624.9894.2274.0373.4992.7742.5042.0622.322.1681.8571.6831.3141.2311.1561.391.672NANA1.145NANANA
us-gaap:PrepaidExpenseAndOtherAssetsCurrent ███▅▄▅▅▄▄▄▄▃▃▂▃▂▂▁▂▁7.2196.9757.3634.6853.7434.2234.3373.6533.6693.814.12.7692.5071.7772.5821.9891.8171.3881.6711.013NANA0.808NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
us-gaap:PropertyPlantAndEquipmentGross █▇▆▆▅▅▄▃▃▂▂▂▂▂▁▁▁▁▁▁65.12553.33348.09745.30541.02737.61234.09624.51819.1416.06114.38812.8811.72910.4749.2868.9628.4527.4786.3045.093NANA3.119NANANA
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment █▇▆▆▅▄▄▃▃▃▃▂▂▂▂▁▁▁▁▁18.03915.88613.8512.5310.8289.1587.6326.7156.5225.8535.234.634.1693.6143.0652.7552.2861.9491.6511.73NANA1.083NANANA
us-gaap:PropertyPlantAndEquipmentNet █▆▆▆▅▅▅▃▂▂▂▂▂▂▁▁▁▁▁▁47.08637.44734.24732.77530.19928.45426.46417.80312.61810.2089.1588.257.566.866.2216.2076.1665.5294.6533.363NANA2.036NANANA
us-gaap:DeferredTaxAssetsLiabilitiesNet NANA0.05NANANA0.039NANANA0.041NANANANANANANANANANANANANANANA
us-gaap:OperatingLeaseRightOfUseAsset ▇█▇▇█████▂▁87.53389.20684.71486.24787.75889.24990.12491.93594.3269.2320.0NANANANANANANANANANANANANANANA
us-gaap:OtherAssetsNoncurrent ███▆▆▅▄▃▂▁▁▁▁▁▁▂▁▁▁▂14.17614.86614.09111.37810.879.9447.945.5744.5153.5743.2083.1462.843.0573.4653.7983.5313.3843.0525.31NANA2.145NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
us-gaap:AccountsPayableCurrent █▄▄▃▄▅▇▄▃▂▂▁▂▁▂▂▂▁▂▁8.9455.1524.3653.8385.0125.5448.2434.1873.6281.962.2841.9112.6581.5252.3952.0762.6581.4132.1031.581NANA1.459NANANA
us-gaap:AccruedLiabilitiesCurrent █▇█▆▅▄▆▆▄▄▅▃▃▂▃▂▂▁▂▁42.59836.2640.53232.18525.1723.24732.58632.22723.30420.09926.5719.17816.35512.65815.64411.4369.9858.28410.1656.894NANA6.699NANANA
us-gaap:ContractWithCustomerLiabilityCurrent █▄▂▂▃▃▃▂▃▄▃▃▁2.5071.4250.930.9381.1971.1151.2510.8891.1991.3091.2431.1740.642NA1.238NANANANANANANANANANANA
us-gaap:DebtCurrent ███▇▅▃▁11.66711.66711.66710.6947.7784.8611.944NANANA0.0NANANANANANANANANANANANANANANA
us-gaap:LiabilitiesCurrent █▇▇▆▅▅▆▅▄▃▃▂▂▂▂▂▂▁▁▁73.01859.38265.66555.86647.31442.84552.06645.46735.65428.54930.23622.26319.65516.93820.91816.04415.19610.67713.2159.325NANA8.775NANANA
us-gaap:OperatingLeaseLiabilityCurrent ▆▁██7.3014.8788.1718.211NANA7.9148.0367.164.841NANANANANANANANANANANANANANANANA
us-gaap:OtherAccruedLiabilitiesCurrent ▇▆█▄▅▆▄▄▂▃▂▂▂▁▂▃▂▂▂▁6.0755.2127.3783.3364.2045.1483.5564.0822.2052.4351.941.4482.0980.9821.7862.3021.6431.5981.7080.816NANA0.959NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
us-gaap:LongTermDebt NANA21.339NANANA32.989NANANA34.899NANANA44.783NANANA46.332NANANANANANANA
 us-gaap:LongTermDebt us-gaap:DebtInstrument irtc:ThirdAmendedAndRestatedSiliconValleyBankLoanAgreementNANA35.132NANANA38.581NANANA40.611NANANANANANANANANANANANANANANA
us-gaap:LongTermDebtNoncurrent ▁▂▃▄▅▆▇████▇▇▇▇▇▇▇▇▇15.51518.42721.33924.25227.16430.07632.98934.92934.92734.92234.89932.55432.57432.53332.49132.05331.61432.65232.22731.796NANA30.552NANANA
us-gaap:OtherLiabilitiesNoncurrent █▁▁2.2651.8361.83NANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OperatingLeaseLiabilityNoncurrent ██▇▇█████▁▁87.98489.2781.29382.53783.885.04285.74887.09988.2163.9310.0NANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo NANA11.547NANANA11.55NANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree NANA11.667NANANA11.33NANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour NANA12.015NANANA11.667NANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive NANA12.374NANANA12.015NANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive NANA75.42NANANA87.793NANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
us-gaap:StockholdersEquity ▇███▅▅▅▅▄▄▄▄▄▄▄▄▄▄▄▁306.442309.572341.612334.546117.946124.977135.409142.58548.60849.72354.42263.95868.46772.62379.55385.38987.42689.31292.562-114.928NANA-101.624NANANA
us-gaap:CommonStockValue ████▇▇▇▇▇▇▇▇▇▇▇███▆▁0.0270.0270.0270.0270.0250.0250.0250.0250.0230.0240.0230.0230.0230.0230.0230.0280.0270.0270.0220.001NANA0.001NANANA
us-gaap:AdditionalPaidInCapitalCommonStock ████▅▅▅▅▄▄▄▄▄▄▃▃▃▃▃▁656.231641.996646.258629.484408.096394.507395.695385.614271.551261.231257.955252.765247.039239.037236.184230.831226.365221.776219.7185.974NANA4.641NANANA
us-gaap:RetainedEarningsAccumulatedDeficit ▁▂▂▃▃▃▄▄▅▅▅▆▆▇▇▇▇███-349.823-332.463-304.684-295.033-290.356-269.919-260.393-243.093-223.001-211.534-203.515-188.801-178.557-166.352-156.589-145.44-138.916-132.472-127.169-120.903NANA-106.266NANANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▂▃▂▃▅█▄▃▃▂▂▂▂▁▁▂▂▂▂0.0070.0120.0110.0680.1810.3640.0820.0390.0350.002-0.041-0.029-0.038-0.085-0.065-0.03-0.05-0.019-0.009NANANANANANANA
us-gaap:StockIssuedDuringPeriodValueNewIssues NANA-0.006206.031NANA-0.005107.299NANANANANANANANANANANANANANANANANANA
 us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementEquityComponents us-gaap:AdditionalPaidInCapitalNANA-0.006206.029NANA-0.005107.297NANANANANANANANANANANANANANANANANANA
 us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementEquityComponents us-gaap:CommonStockNANA0.00.002NANA0.00.002NANANANANANANANANANANANANANANANANANA
us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue ▅█▅▆▄▁▄▄▃▃10.98119.26711.51514.6017.8840.3057.1777.4016.8074.856NA4.2114.0763.247NANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▆▁██▅▄▆▇▇▄▆▆▆▅▆▆-0.543-41.8427.81810.942-10.153-22.366-4.86-0.2220.318-17.099-4.348-5.097-6.363-13.26-3.723-3.788NANANANANANANANANANA
us-gaap:NetCashProvidedByUsedInInvestingActivities ▅█▅▁▆▇▅▄▅▆▆▅▆▆▅▆1.702117.035-17.485-204.48129.66459.911-12.508-87.872-15.34326.4494.2691.6866.70321.459-10.4726.142NANANANANANANANANANA
us-gaap:NetCashProvidedByUsedInFinancingActivities ▂▁▂█▂▂▂▅▂▂▂▂▂▂▂▂0.338-26.4462.959207.1455.705-1.4933.196106.5742.944-1.1382.7571.5152.428-0.3972.4371.735NANANANANANANANANANA
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▃█▂▄▅▇▁▅▁▃▃▂▃▃▁▃1.49748.747-6.70813.60625.21636.052-14.17218.48-12.0818.2122.678-1.8962.7687.802-11.7584.089NANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
us-gaap:IncreaseDecreaseInAccountsPayable ▄▄▄▃▂▁█▂▄▃▄▃▄▃▄▃▄▃▄▃▃▄▄1.20.6730.819-0.16-1.705-2.8355.723-1.1441.358-0.3330.332-0.631.056-0.950.667-0.5591.216-0.690.236-0.047-0.8931.0090.66NANANA
us-gaap:IncreaseDecreaseInAccountsReceivable ▂█▃▃▁▃▂▂▂▃▂▁▂▂▂▁▁▁▁▁▁▁▁7.85339.81811.95713.0063.0059.9895.934.9516.8610.9847.7973.8915.6615.5364.392.8982.3143.3481.41.3472.6343.1341.444NANANA
us-gaap:IncreaseDecreaseInInventories █▆▃▂▄▂▃▄▂▃▁▂▃▂▃▂▂▁▁▂▂▂▂2.4191.6080.330.0440.8240.1910.5380.7240.270.442-0.2570.1520.3110.1740.3690.0830.075-0.234-0.2820.2160.0750.2360.012NANANA
us-gaap:NetCashProvidedByUsedInOperatingActivities ▆▁██▅▄▆▇▇▄▆▆▆▅▆▆-0.543-41.8427.81810.942-10.153-22.366-4.86-0.2220.318-17.099-4.348-5.097-6.363-13.26-3.723-3.788NANANANANANANANANANA
us-gaap:NetIncomeLoss ▄▁▆█▃▇▄▄▆▇▅▆▆▆▆▇▇█▇██▇▇███-17.36-27.779-9.651-4.677-20.437-9.065-17.3-18.293-11.467-8.019-14.713-10.244-12.206-11.117-11.149-6.524-6.444-5.303-6.266-4.075-4.436-6.126-7.702-5.746-4.959-4.392
 us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents us-gaap:RetainedEarnings▄▁▆█▃▇▄▄▆▇-17.36-27.779-9.651-4.677-20.437-9.065-17.3-18.293-10.725-8.019NA-9.727-13.304-11.117NANANANANANANANANANANANA
us-gaap:ProfitLoss ▄▁▆█▃▇▄▄▆▇▅▆▆▆▆▇-17.36-27.779-9.651-4.677-20.437-9.065-17.3-17.782-11.467-8.019-14.713-10.244-12.206-11.117-11.149-6.524NANANANANANANANANANA
us-gaap:ShareBasedCompensation ▄█▆▇▄▁▃▃▃▂▃▂▂▂▂▂▂▂▁▁▁▁▁10.2620.2313.99817.4449.7680.3057.1777.3197.334.4154.7954.2114.0763.2473.0992.7322.2642.0280.620.4010.4420.4080.375NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
us-gaap:NetCashProvidedByUsedInInvestingActivities ▅█▅▁▆▇▅▄▅▆▆▅▆▆▅▆1.702117.035-17.485-204.48129.66459.911-12.508-87.872-15.34326.4494.2691.6866.70321.459-10.4726.142NANANANANANANANANANA
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment ▄▃▂▄▂▃█▃▃▂▂▂▂▂▁▁▁▂▁▁▁▁▁5.9234.2112.3645.6012.1813.40511.8174.1722.8331.6351.4931.4611.1181.1080.9110.5310.9461.1740.9420.7520.410.6590.264NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
us-gaap:NetCashProvidedByUsedInFinancingActivities ▂▁▂█▂▂▂▅▂▂▂▂▂▂▂▂0.338-26.4462.959207.1455.705-1.4933.196106.5742.944-1.1382.7571.5152.428-0.3972.4371.735NANANANANANANANANANA
us-gaap:RepaymentsOfLongTermDebt ▁█2.9162.917NANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value27000.027000.027000.027000.025000.025000.025000.025000.023000.024000.023000.023000.023000.023000.023000.028000.027000.027000.022000.01000.01000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-06-302020-06-30
Value2927
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


Weighted
Period End2021-06-302020-06-30
Value2927
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0

Weighted Average Number Of Share Outstanding Basic And Diluted

us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted

us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted


Weighted
Period End2021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-30
Value292827262524242423232222221.4543071.4354831.4130521.409758
Percentage of WeightedAverageNumberOfShareOutstandingBasicAndDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount


Antidilutive
Period End2021-06-302021-03-312020-06-302020-03-312019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-30
Value1.602351.7654872.0872542.1687222.787532.8159682.965243.2818973.3468833.6178653.8653216161616
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities

irtc:PerformanceBasedRestrictedStockUnitsAndRestrictedStockUnits


Antidilutive
Period End2021-06-302021-03-312020-06-302020-03-312019-03-31
Value1.0748141.2124231.1434040.9471010.896759
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount67.168.754.843.732.2

us-gaap:EmployeeStockOption


Antidilutive
Period End2021-06-302021-03-312020-06-302020-03-312019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-30
Value0.5275360.5530640.943851.2216211.8859142.2051262.3847982.6959132.7659023.1073863.3156772.7325382.7226482.7044392.485242
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount32.931.345.256.367.778.380.482.182.685.985.816.716.616.515.4

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


Earnings
Period End2021-06-302020-06-30
Value-0.59-0.75
Percentage of EarningsPerShareBasic100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareDiluted


Earnings
Period End2021-06-302020-06-30
Value-0.59-0.75
Percentage of EarningsPerShareDiluted100.0100.0

Earnings Per Share Basic And Diluted

us-gaap:EarningsPerShareBasicAndDiluted

us-gaap:EarningsPerShareBasicAndDiluted


Earnings
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-0.95-0.33-0.17-0.75-0.34-0.65-0.72-0.46-0.33-0.61-0.43-0.51-0.47-0.48-0.29-0.29-0.24-0.37-2.8-3.12-4.34-5.46-4.07-3.66-3.31
Percentage of EarningsPerShareBasicAndDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Allocated Share Based Compensation Expense

us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:AllocatedShareBasedCompensationExpense


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value102013179.7680.305262217.4017.334.4154.7954.2114.0763.2473.0992.7312.2652.0280.620.4010.4430.4080.3750.318
Percentage of AllocatedShareBasedCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax12.627.217.824.219.20.544365.813.513.79.411.111.111.510.611.010.99.59.53.32.42.83.23.53.4

us-gaap:AllocatedShareBasedCompensationExpense us-gaap:AwardDate, us-gaap:AwardType, us-gaap:PlanName

irtc:AwardDateOne, us-gaap:PerformanceShares, irtc:A2021Awards


Allocated
Period End2021-06-302021-03-31
Value2.32.2
Percentage of AllocatedShareBasedCompensationExpense22.410.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.83.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax irtc:AwardDateOne us-gaap:PerformanceShares irtc:A2021Awards0.00.0

irtc:AwardDateTwo, us-gaap:PerformanceShares, irtc:A2021Awards


Allocated
Period End2021-06-302021-03-31
Value0.30.4
Percentage of AllocatedShareBasedCompensationExpense2.92.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.40.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax irtc:AwardDateTwo us-gaap:PerformanceShares irtc:A2021Awards0.00.0

us-gaap:AllocatedShareBasedCompensationExpense us-gaap:AwardType, us-gaap:PlanName

us-gaap:PerformanceShares, irtc:A2019Awards


Allocated
Period End2021-06-302021-03-312020-09-302020-06-19
Value0.02.24.610
Percentage of AllocatedShareBasedCompensationExpense0.010.926.40.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.03.06.40.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:PerformanceShares irtc:A2019Awards0.00.00.00.0

us-gaap:PerformanceShares, irtc:A2020Awards


Allocated
Period End2021-06-302021-03-312020-09-30
Value-0.21.41.3
Percentage of AllocatedShareBasedCompensationExpense-1.96.97.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.21.91.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:PerformanceShares irtc:A2020Awards0.00.00.0

us-gaap:AllocatedShareBasedCompensationExpense us-gaap:IncomeStatementLocation

us-gaap:CostOfSales


Allocated
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value0.4930.4230.00.06570.00.1370.088-0.0310.0860.0210.1170.0510.0360.0380.0380.0090.0030.0030.0030.0030.002
Percentage of AllocatedShareBasedCompensationExpense4.82.10.00.02.50.01.92.0-0.62.00.53.61.61.31.71.91.50.70.70.70.80.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.60.60.00.01112.90.00.30.2-0.10.20.10.40.20.10.20.20.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:CostOfSales0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ResearchAndDevelopmentExpense


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value1.4271.6591.9422.8392.2050.74144581.2421.2780.8730.8990.8010.7810.5760.5350.4460.3830.3690.10.0340.0330.0360.0280.017
Percentage of AllocatedShareBasedCompensationExpense13.98.213.916.322.6243.017.016.817.419.818.719.019.217.717.316.316.918.216.18.57.48.87.55.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.82.22.53.94.31.27543.72.32.41.82.12.12.21.91.91.81.61.70.50.20.20.30.30.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ResearchAndDevelopmentExpense0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:SellingGeneralAndAdministrativeExpenses


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value8.341812147.563-0.436211056.1595.9153.4543.9273.3243.2742.5542.5132.2491.8441.6210.5110.3640.4070.3690.3440.299
Percentage of AllocatedShareBasedCompensationExpense81.389.785.983.777.4-143.080.583.280.778.281.978.980.378.781.182.481.479.982.490.891.990.491.794.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax10.324.415.320.314.9-0.735709.111.311.17.39.18.79.28.48.99.07.77.62.72.22.62.93.23.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:SellingGeneralAndAdministrativeExpenses0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AllocatedShareBasedCompensationExpense us-gaap:PlanName

irtc:ConsultingAndProfessionalServicesAgreementCPSA


Allocated
Period End2021-06-302021-03-312020-12-312020-09-30
Value0.05.00.01.8
Percentage of AllocatedShareBasedCompensationExpense0.024.70.010.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.06.70.02.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax irtc:ConsultingAndProfessionalServicesAgreementCPSA0.00.00.00.0

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value-17365000.0-27778000.0-9708000.0-4790000.0-20620000.0-8783000.0-17257000.0-18314000.0-11434000.0-7976000.0-14596000.0-10235000.0-12159000.0-11137000.0-11186000.0-6503000.0-6466000.0-5322000.0-6275000.0-4075000.0-4436000.0-6126000.0
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-21.4-37.4-12.3-6.7-40.5-13.8-29.2-33.5-21.4-16.9-33.8-26.9-34.3-36.4-39.7-26.0-27.1-24.8-33.5-24.3-28.2-47.7

Cost Of Revenue

us-gaap:CostOfRevenue

us-gaap:CostOfRevenue


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value25232018151613131211109.9499.498.6117.7066.926.7446.3375.7865.2825.1564.6594.1613.748
Percentage of CostOfRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax32.031.626.025.330.425.323.525.224.024.824.426.126.828.227.327.628.329.630.931.532.836.238.340.1

Gross Profit

us-gaap:GrossProfit

us-gaap:GrossProfit


Gross
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value5550585335474540403532282521201817151211108.1956.6935.5965.2693.882
Percentage of GrossProfit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax68.068.474.074.769.674.776.574.876.075.275.673.973.271.872.772.471.770.469.168.567.263.861.759.959.355.0

Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-17244000.0-27681000.0-9675000.0-4572000.0-20306000.0-9048000.0-17282000.0-18273000.0-11452000.0-8007000.0-14128000.0-9727000.0-12206000.0-11117000.0
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-21.2-37.3-12.3-6.4-39.9-14.2-29.2-33.4-21.5-17.0-32.7-25.5-34.4-36.4

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value116000.098000.0-24000.0105000.0131000.017000.018000.020000.015000.012000.044000.0000000000000
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.1-0.00.10.30.00.00.00.00.00.10.00.00.00.00.00.00.00.00.00.00.00.0

Interest Expense

us-gaap:InterestExpense

us-gaap:InterestExpense


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value307000.0335000.0374000.0384000.0381000.0380000.0385000.0409000.0440000.0409000.0535000.0861000.0861000.0858000.0864000.0862000.0839000.0822000.0860000.0807000.0803000.0795000.0582000.0222000.0
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.40.50.50.50.70.60.70.70.80.91.22.32.42.83.13.43.53.84.64.85.16.25.42.4

Interest Paid Net

us-gaap:InterestPaidNet

us-gaap:InterestPaidNet


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value327000.0331000.0370000.0336000.0402000.0394000.0398000.0410000.0425000.0411000.03513000.0804000.0961000.0787000.0398000.0777000.0
Percentage of InterestPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.40.40.50.50.80.60.70.70.80.98.12.12.72.61.43.1

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-17360000.0-27779000.0-9651000.0-4677000.0-20437000.0-9065000.0-17300000.0-18293000.0-11467000.0-8019000.0-14713000.0-10244000.0-12206000.0-11117000.0-11149000.0-6524000.0-6444000.0-5303000.0-6266000.0-4075000.0-4436000.0-6126000.0-7702000.0-5746000.0-4959000.0-4392000.0
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-21.4-37.4-12.2-6.5-40.2-14.3-29.3-33.5-21.5-17.0-34.1-26.9-34.4-36.4-39.6-26.1-27.0-24.7-33.5-24.3-28.2-47.7-71.0-61.5-55.8-62.3

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-17360000.0-27779000.0-9651000.0-4677000.0-20437000.0-9065000.0-17300000.0-18293000.0-10725000.0-8019000.0-9727000.0-13304000.0-11117000.0
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.093.5100.095.0109.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-21.4-37.4-12.2-6.5-40.2-14.3-29.3-33.5-20.1-17.0-25.5-37.5-36.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.0

Operating Expenses

us-gaap:OperatingExpenses

us-gaap:OperatingExpenses


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value727867585556625951434437373231242319171414131311
Percentage of OperatingExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax88.9105.486.181.3109.289.2106.4108.297.292.1102.499.5106.2106.6110.396.396.592.692.384.490.7101.6125.2118.8

Operating Income Loss

us-gaap:OperatingIncomeLoss

us-gaap:OperatingIncomeLoss


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value-16992000.0-27470000.0-9581000.0-4757000.0-20162000.0-9173000.0-17726000.0-18260000.0-11322000.0-7977000.0-11549000.0-9748000.0-11679000.0-10642000.0-10622000.0-5983000.0-5921000.0-4745000.0-4348000.0-2666000.0-3697000.0-4871000.0-6894000.0-5500000.0
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-20.9-37.0-12.2-6.6-39.6-14.4-30.0-33.4-21.2-16.9-26.8-25.6-32.9-34.8-37.7-23.9-24.8-22.1-23.2-15.9-23.5-37.9-63.5-58.9

Other Nonoperating Income Expense

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:OtherNonoperatingIncomeExpense


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value55000.0124000.0280000.0569000.0237000.0505000.0829000.0396000.0310000.0379000.0444000.0365000.0334000.0383000.0337000.0321000.0316000.0264000.0-1058000.0-602000.064000.0-460000.0-226000.0-24000.0
Percentage of OtherNonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.20.40.80.50.81.40.70.60.81.01.00.91.31.21.31.31.2-5.7-3.60.4-3.6-2.1-0.3

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-17360000.0-27779000.0-9651000.0-4677000.0-20437000.0-9065000.0-17300000.0-17782000.0-11467000.0-8019000.0-14713000.0-10244000.0-12206000.0-11117000.0-11149000.0-6524000.0
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-21.4-37.4-12.2-6.5-40.2-14.3-29.3-32.5-21.5-17.0-34.1-26.9-34.4-36.4-39.6-26.1

Research And Development Expense

us-gaap:ResearchAndDevelopmentExpense

us-gaap:ResearchAndDevelopmentExpense


Research
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value9.6068.51118.768128.4159.268138.6396.7567.0035.1644.5644.0194.1483.792.7762.6212.3031.6351.6671.5451.81.651
Percentage of ResearchAndDevelopmentExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.811.514.712.224.713.215.724.716.214.316.213.612.913.114.715.111.612.212.39.710.612.016.617.7

Revenue From Contract With Customer Excluding Assessed Tax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value81747871506359545347433835302825232118161512109.3448.8877.055
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService

irtc:CentersForMedicareAndMedicaid


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value101021191317161514121110108.432
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax13.513.727.327.827.027.327.728.127.727.026.128.328.527.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax13.513.727.327.827.027.327.728.127.727.026.128.328.527.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax irtc:CentersForMedicareAndMedicaid100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

irtc:CommercialPayors


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value4946413626312925272422171513
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax61.162.752.550.552.249.950.447.551.851.651.246.944.844.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax61.162.752.550.552.249.950.447.551.851.651.246.944.844.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax irtc:CommercialPayors100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

irtc:HealthcareInstitutions


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value141211117.74811111010109.7889.4619.4688.642
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax17.416.514.615.315.217.518.919.520.521.422.724.826.728.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax17.416.514.615.315.217.518.919.520.521.422.724.826.728.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax irtc:HealthcareInstitutions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

irtc:NonContractedThirdPartyPayors


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value6.5475.2784.4444.6072.8683.3761.7542.6862.5452.8192.1453.126
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.17.15.66.45.65.33.04.94.86.05.08.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.17.15.66.45.65.33.04.94.86.05.08.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax irtc:NonContractedThirdPartyPayors100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Selling General And Administrative Expense

us-gaap:SellingGeneralAndAdministrativeExpense

us-gaap:SellingGeneralAndAdministrativeExpense


Selling
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value62695649434853454336373233282620201714121211119.445
Percentage of SellingGeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax77.193.971.469.184.575.990.883.581.077.786.185.993.393.595.681.184.980.380.074.780.189.6108.6101.1

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value4854785114972762823063102071171191181201221331331341321382737
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Liabilities

us-gaap:Liabilities

us-gaap:Liabilities


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value178168170162158157170167158676555524953484643454542
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets36.835.333.232.757.355.855.854.076.657.654.546.243.440.640.236.134.932.733.0165.1112.0

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value4854785114972762823063102071171191181201221331331341321382737
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312014-12-312013-12-31
Value3063093413341171241351424849546368727985878992-114.928-101.624-80.544-65.59
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets63.264.766.867.342.744.244.246.023.442.445.553.856.659.459.863.965.167.367.0-419.8-268.30.00.0

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value0.0070.0120.0110.0680.1810.3640.0820.0390.0350.002-0.041-0.019-0.038-0.085-0.065-0.009
Percentage of StockholdersEquity0.00.00.00.00.20.30.10.00.10.0-0.1-0.0-0.1-0.1-0.1-0.0
Percentage of Assets0.00.00.00.00.10.10.00.00.00.0-0.0-0.0-0.0-0.1-0.0-0.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value6566416466294083943953852712612572522472392362194.6412.9222.044
Percentage of StockholdersEquity214.1207.4189.2188.2346.0315.7292.2270.4558.7525.4474.0395.2360.8329.1296.9237.4-4.6-3.6-3.1
Percentage of Assets135.2134.2126.3126.6147.7139.4129.2124.4131.0222.9215.5212.4204.3195.4177.4159.012.30.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value0.0270.0270.0270.0270.0250.0250.0250.0250.0230.0240.0230.0230.0230.0230.0230.0220.0010.0010.001
Percentage of StockholdersEquity0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0-0.0-0.0-0.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value-349.823-332.463-304.684-295.033-290.356-269.919-260.393-243.093-223.001-211.534-203.515-189.555-178.557-166.352-156.589-127.169-106.266-83.467-67.635
Percentage of StockholdersEquity-114.2-107.4-89.2-88.2-246.2-216.0-192.3-170.5-458.8-425.4-374.0-296.4-260.8-229.1-196.8-137.4104.6103.6103.1
Percentage of Assets-72.1-69.5-59.5-59.3-105.1-95.4-85.0-78.4-107.6-180.5-170.0-159.3-147.7-136.0-117.6-92.0-280.60.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Assets Current

us-gaap:AssetsCurrent

us-gaap:AssetsCurrent


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value33533637736514615417218494931061061091111191221231061181732
Percentage of AssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets69.270.273.873.653.054.656.459.645.879.688.989.790.791.289.891.992.180.385.965.286.7

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-312013-12-31
Value1381378895815620341628201719168.671201615515.7618.97414257.1278.6187.099
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets28.628.717.319.229.620.06.711.27.824.116.714.615.913.56.515.312.111.737.421.00.00.066.60.00.00.0

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-03-312017-12-312017-03-312016-12-31
Value1381378895815620341520168.6711551
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets28.628.717.319.229.620.06.711.27.716.713.56.511.837.4

Accounts Receivable Net Current

us-gaap:AccountsReceivableNetCurrent

us-gaap:AccountsReceivableNetCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value6359292822242325292821201917121210109.4069.3085.577
Percentage of AccountsReceivableNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets13.112.55.85.88.38.67.88.114.124.118.417.215.814.09.79.08.18.36.834.014.7

Inventory Net

us-gaap:InventoryNet

us-gaap:InventoryNet


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value9261000.06863000.05313000.05062000.04989000.04227000.04037000.03499000.02774000.02504000.02062000.02320000.02168000.01857000.01683000.01314000.01231000.01156000.01390000.01672000.01145000.0
Percentage of InventoryNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.91.41.01.01.81.51.31.11.32.11.71.91.81.51.31.00.90.91.06.13.0

Prepaid Expense And Other Assets Current

us-gaap:PrepaidExpenseAndOtherAssetsCurrent

us-gaap:PrepaidExpenseAndOtherAssetsCurrent


Prepaid
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value7219000.06975000.07363000.04685000.03743000.04223000.04337000.03653000.03669000.03810000.04100000.02769000.02507000.01777000.02582000.01989000.01817000.01388000.01671000.01013000.0808000.0
Percentage of PrepaidExpenseAndOtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.51.51.40.91.41.51.41.21.83.33.42.32.11.51.91.51.41.01.23.72.1

Property Plant And Equipment Gross

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:PropertyPlantAndEquipmentGross


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value65534845413734241916141211109.2868.9628.4527.4786.3045.0933.119
Percentage of PropertyPlantAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets13.411.19.49.114.913.311.17.99.213.712.010.89.78.67.06.76.35.64.618.68.2

us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType

irtc:ComputerEquipmentAndSoftware


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value2.0132.0052.0052.4522.3952.3792.3151.0621.0621.0621.0621.0491.0471.0641.0150.9160.8420.8210.7360.660.538
Percentage of PropertyPlantAndEquipmentGross3.13.84.25.45.86.36.84.35.56.67.48.18.910.210.910.210.011.011.713.017.2
Percentage of Assets0.40.40.40.50.90.80.80.30.50.90.90.90.90.90.80.70.60.60.52.41.4
Percentage of Assets irtc:ComputerEquipmentAndSoftware0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

irtc:LaboratoryAndManufacturingEquipment


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value5.0444.9154.6674.7834.6564.4094.2384.053.833.122.752.3732.3432.2361.9942.0281.8961.8891.5091.4581.13
Percentage of PropertyPlantAndEquipmentGross7.79.29.710.611.311.712.416.520.019.419.118.420.021.321.522.622.425.323.928.636.2
Percentage of Assets1.01.00.91.01.71.61.41.31.82.72.32.01.91.81.51.51.41.41.15.33.0
Percentage of Assets irtc:LaboratoryAndManufacturingEquipment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:FurnitureAndFixtures


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value4.1583.7933.7943.8223.8223.8033.6690.7240.9250.9250.9250.9250.9530.9530.9530.9280.6790.6680.6570.2750.114
Percentage of PropertyPlantAndEquipmentGross6.47.17.98.49.310.110.83.04.85.86.47.28.19.110.310.48.08.910.45.43.7
Percentage of Assets0.90.80.70.81.41.31.20.20.40.80.80.80.80.80.70.70.50.50.51.00.3
Percentage of Assets us-gaap:FurnitureAndFixtures0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:LeaseholdImprovements


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value17109.2159.1459.1078.1367.5974.9212.1460.7260.7260.7260.7260.7260.7260.7030.7330.510.5020.3620.344
Percentage of PropertyPlantAndEquipmentGross26.718.819.220.222.221.622.320.111.24.55.05.66.26.97.87.88.76.88.07.111.0
Percentage of Assets3.62.11.81.83.32.92.51.61.00.60.60.60.60.60.50.50.50.40.41.30.9
Percentage of Assets us-gaap:LeaseholdImprovements0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:SoftwareDevelopment


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value363228252118161311108.9257.8076.665.4954.5984.3874.3023.592.92.3380.993
Percentage of PropertyPlantAndEquipmentGross56.161.259.155.451.350.247.756.158.463.762.060.656.852.549.549.050.948.046.045.931.8
Percentage of Assets7.56.85.65.07.66.75.34.45.48.77.56.65.54.53.53.33.22.72.18.52.6
Percentage of Assets us-gaap:SoftwareDevelopment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value18151312109.1587.6326.7156.5225.8535.234.634.1693.6143.0652.7552.2861.9491.6511.731.083
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.73.32.72.53.93.22.52.23.15.04.43.93.43.02.32.11.71.51.26.32.9

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:PropertyPlantAndEquipmentNet


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value473734323028261712109.1588.257.566.866.2216.2076.1665.5294.6533.3632.036
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets9.77.86.76.610.910.18.65.76.18.77.76.96.35.64.74.64.64.23.412.35.4

Deferred Tax Assets Liabilities Net

us-gaap:DeferredTaxAssetsLiabilitiesNet

us-gaap:DeferredTaxAssetsLiabilitiesNet


Deferred
Period End2020-12-312019-12-312018-12-31
Value50000.039000.041000.0
Percentage of DeferredTaxAssetsLiabilitiesNet100.0100.0100.0
Percentage of Assets0.00.00.0

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value8789848687899091949.2320.0
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets18.018.616.617.331.831.529.429.645.57.90.0

Other Assets Noncurrent

us-gaap:OtherAssetsNoncurrent

us-gaap:OtherAssetsNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value14141411109.9447.945.5744.5153.5743.2083.1462.843.0573.4653.7983.5313.3843.0525.312.145
Percentage of OtherAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.93.12.82.33.93.52.61.82.23.02.72.62.32.52.62.82.62.52.219.45.7

Other Assets

us-gaap:OtherAssets us-gaap:PublicUtilitiesInventory

us-gaap:OtherAssets

irtc:PrintedCircuitBoardAssemblies


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value12121211109.57.44.92.5
Percentage of OtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.62.72.52.23.73.42.41.62.1
Percentage of Assets irtc:PrintedCircuitBoardAssemblies0.00.00.00.00.00.00.00.00.0

Accounts Payable Current

us-gaap:AccountsPayableCurrent

us-gaap:AccountsPayableCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value8945000.05152000.04365000.03838000.05012000.05544000.08243000.04187000.03628000.01960000.02284000.01911000.02658000.01525000.02395000.02076000.02658000.01413000.02103000.01581000.01459000.0
Percentage of AccountsPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.81.10.90.81.82.02.71.41.81.71.91.62.21.21.81.62.01.11.55.83.9

Accrued Liabilities Current

us-gaap:AccruedLiabilitiesCurrent

us-gaap:AccruedLiabilitiesCurrent


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value423640322523323223202619161215119.9858.284106.8946.699
Percentage of AccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets8.87.67.96.59.18.210.610.411.217.222.216.113.510.311.88.67.46.27.425.217.7

Contract With Customer Liability Current

us-gaap:ContractWithCustomerLiabilityCurrent

us-gaap:ContractWithCustomerLiabilityCurrent


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value2507000.01425000.0930000.0938000.01197000.01115000.01251000.0889000.01199000.01309000.01243000.01174000.0642000.01238000.0
Percentage of ContractWithCustomerLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.50.30.20.20.40.40.40.30.61.11.01.00.50.9

Debt Current

us-gaap:DebtCurrent

us-gaap:DebtCurrent


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value111111107.7784.8611.9440.0
Percentage of DebtCurrent100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets2.42.42.32.22.81.70.60.0

Liabilities Current

us-gaap:LiabilitiesCurrent

us-gaap:LiabilitiesCurrent


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value735965554742524535283022191620161510139.3258.775
Percentage of LiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets15.012.412.811.217.115.117.014.717.224.425.318.716.313.815.712.011.38.09.634.123.2

Operating Lease Liability Current

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OperatingLeaseLiabilityCurrent


Operating
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312019-09-302019-06-302019-03-31
Value7301000.04878000.08171000.08211000.07914000.08036000.07160000.04841000.0
Percentage of OperatingLeaseLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.51.01.61.72.62.63.54.1

Other Accrued Liabilities Current

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:OtherAccruedLiabilitiesCurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value6075000.05212000.07378000.03336000.04204000.05148000.03556000.04082000.02205000.02435000.01940000.01448000.02098000.0982000.01786000.02302000.01643000.01598000.01708000.0816000.0959000.0
Percentage of OtherAccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.31.11.40.71.51.81.21.31.12.11.61.21.70.81.31.71.21.21.23.02.5

Long Term Debt

us-gaap:LongTermDebt

us-gaap:LongTermDebt


Long
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value2132344446
Percentage of LongTermDebt100.0100.0100.0100.0100.0
Percentage of Assets4.210.829.233.633.5

us-gaap:LongTermDebt us-gaap:DebtInstrument

irtc:ThirdAmendedAndRestatedSiliconValleyBankLoanAgreement


Long
Period End2020-12-312019-12-312018-12-31
Value353840
Percentage of LongTermDebt164.6117.0116.4
Percentage of Assets6.912.633.9
Percentage of Assets irtc:ThirdAmendedAndRestatedSiliconValleyBankLoanAgreement0.00.00.0

Long Term Debt Noncurrent

us-gaap:LongTermDebtNoncurrent

us-gaap:LongTermDebtNoncurrent


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value151821242730323434343432323232323132323130
Percentage of LongTermDebtNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.23.94.24.99.810.610.811.316.829.829.227.426.926.624.424.023.524.623.3116.180.7

Other Liabilities Noncurrent

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OtherLiabilitiesNoncurrent


Other
Period End2021-06-302021-03-312020-12-31
Value2265000.01836000.01830000.0
Percentage of OtherLiabilitiesNoncurrent100.0100.0100.0
Percentage of Assets0.50.40.4

Operating Lease Liability Noncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value8789818283858587883.9310.0
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets18.118.715.916.630.330.128.028.142.63.40.0

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2020-12-312019-12-31
Value1111
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0100.0
Percentage of Assets2.33.8

Lessee Operating Lease Liability Payments Due Year Three

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree


Lessee
Period End2020-12-312019-12-31
Value1111
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0100.0
Percentage of Assets2.33.7

Lessee Operating Lease Liability Payments Due Year Four

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour


Lessee
Period End2020-12-312019-12-31
Value1211
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0100.0
Percentage of Assets2.33.8

Lessee Operating Lease Liability Payments Due Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive


Lessee
Period End2020-12-312019-12-31
Value1212
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive100.0100.0
Percentage of Assets2.43.9

Lessee Operating Lease Liability Payments Due After Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive


Lessee
Period End2020-12-312019-12-31
Value7587
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive100.0100.0
Percentage of Assets14.728.7

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2020-12-312019-12-312019-09-302019-06-302019-03-31
Value899395959.042
Percentage of OperatingLeaseLiability100.0100.0100.0100.0100.0
Percentage of Assets17.530.630.746.17.7

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2020-12-312019-12-31
Value132143
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0100.0
Percentage of Assets25.946.9

Lessee Operating Lease Liability Undiscounted Excess Amount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount


Lessee
Period End2020-12-312019-12-31
Value4349
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0100.0
Percentage of Assets8.416.3

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312014-12-312013-12-31
Value3063093413341171241351424849546368727985878992-114.928-101.624-80.544-65.59
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets63.264.766.867.342.744.244.246.023.442.445.553.856.659.459.863.965.167.367.0-419.8-268.30.00.0

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value0.0070.0120.0110.0680.1810.3640.0820.0390.0350.002-0.041-0.019-0.038-0.085-0.065-0.009
Percentage of StockholdersEquity0.00.00.00.00.20.30.10.00.10.0-0.1-0.0-0.1-0.1-0.1-0.0
Percentage of Assets0.00.00.00.00.10.10.00.00.00.0-0.0-0.0-0.0-0.1-0.0-0.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value6566416466294083943953852712612572522472392362194.6412.9222.044
Percentage of StockholdersEquity214.1207.4189.2188.2346.0315.7292.2270.4558.7525.4474.0395.2360.8329.1296.9237.4-4.6-3.6-3.1
Percentage of Assets135.2134.2126.3126.6147.7139.4129.2124.4131.0222.9215.5212.4204.3195.4177.4159.012.30.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value0.0270.0270.0270.0270.0250.0250.0250.0250.0230.0240.0230.0230.0230.0230.0230.0220.0010.0010.001
Percentage of StockholdersEquity0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0-0.0-0.0-0.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value-349.823-332.463-304.684-295.033-290.356-269.919-260.393-243.093-223.001-211.534-203.515-189.555-178.557-166.352-156.589-127.169-106.266-83.467-67.635
Percentage of StockholdersEquity-114.2-107.4-89.2-88.2-246.2-216.0-192.3-170.5-458.8-425.4-374.0-296.4-260.8-229.1-196.8-137.4104.6103.6103.1
Percentage of Assets-72.1-69.5-59.5-59.3-105.1-95.4-85.0-78.4-107.6-180.5-170.0-159.3-147.7-136.0-117.6-92.0-280.60.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value27000.027000.027000.027000.025000.025000.025000.025000.023000.024000.023000.023000.023000.023000.023000.028000.027000.027000.022000.01000.01000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Additional Paid In Capital Common Stock

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:AdditionalPaidInCapitalCommonStock


Additional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value6566416466294083943953852712612572522472392362302262212195.9744.641
Percentage of AdditionalPaidInCapitalCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets135.2134.2126.3126.6147.7139.4129.2124.4131.0222.9215.5212.4204.3195.4177.4172.7168.5167.0159.021.812.3

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value-349820000.0-332460000.0-304680000.0-295030000.0-290360000.0-269920000.0-260390000.0-243090000.0-223000000.0-211530000.0-203520000.0-188800000.0-178560000.0-166350000.0-156590000.0-145440000.0-138920000.0-132470000.0-127170000.0-120900000.0-106270000.0
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-72.1-69.5-59.5-59.3-105.1-95.4-85.0-78.4-107.6-180.5-170.0-158.7-147.7-136.0-117.6-108.8-103.4-99.8-92.0-441.6-280.6

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value7000.012000.011000.068000.0181000.0364000.082000.039000.035000.02000.0-41000.0-29000.0-38000.0-85000.0-65000.0-30000.0-50000.0-19000.0-9000.0
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.10.10.00.00.00.0-0.0-0.0-0.0-0.1-0.0-0.0-0.0-0.0-0.0

Stock Issued During Period Value New Issues

us-gaap:StockIssuedDuringPeriodValueNewIssues

us-gaap:StockIssuedDuringPeriodValueNewIssues


Stock
Period End2020-12-312020-09-302019-12-312019-09-30
Value-0.006206-0.005107
Percentage of StockIssuedDuringPeriodValueNewIssues100.0100.0100.0100.0
Percentage of Assets0.00.00.00.0

us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2020-12-312020-09-302019-12-312019-09-30
Value-0.006206-0.005107
Percentage of StockIssuedDuringPeriodValueNewIssues100.0100.0100.0100.0
Percentage of Assets0.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.0

us-gaap:CommonStock


Stock
Period End2020-12-312020-09-302019-12-312019-09-30
Value0.00.0020.00.002
Percentage of StockIssuedDuringPeriodValueNewIssues-0.00.0-0.00.0
Percentage of Assets0.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.0

Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value101911147.8840.3057.1777.4016.8074.8564.2114.0763.247
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value101911147.8840.3057.1777.4016.8074.4154.2114.0763.247
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.090.9100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-0.543-41.8427.81810-10.153-22.366-4.86-0.2220.318-17.099-4.348-5.097-6.363-13.26-3.723-3.788
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.7-56.39.915.2-20.0-35.2-8.2-0.40.6-36.2-10.1-13.4-17.9-43.4-13.2-15.1

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value1.702117-17.485-204.4812959-12.508-87.872-15.343264.2691.6866.70321-10.4726.142
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.1157.5-22.2-284.258.394.3-21.2-160.7-28.856.09.94.418.970.2-37.224.5

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0.338-26.4462.9592075.705-1.4933.1961062.944-1.1382.7571.5152.428-0.3972.4371.735
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.4-35.63.8287.911.2-2.35.4194.95.5-2.46.44.06.8-1.38.66.9

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

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value1.49748-6.708132536-14.17218-12.0818.2122.678-1.8962.7687.802-11.7584.089
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.865.6-8.518.949.656.7-24.033.8-22.717.46.2-5.07.825.5-41.716.3

Increase Decrease In Accounts Payable

us-gaap:IncreaseDecreaseInAccountsPayable

us-gaap:IncreaseDecreaseInAccountsPayable


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value1200000.0673000.0819000.0-160000.0-1705000.0-2835000.05723000.0-1144000.01358000.0-333000.0332000.0-630000.01056000.0-950000.0667000.0-559000.01216000.0-690000.0236000.0-47000.0-893000.01009000.0660000.0
Percentage of IncreaseDecreaseInAccountsPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Accounts Receivable

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:IncreaseDecreaseInAccountsReceivable


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value7.8533911133.0059.9895.934.9516.86107.7973.8915.6615.5364.392.8982.3143.3481.41.3472.6343.1341.444
Percentage of IncreaseDecreaseInAccountsReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Inventories

us-gaap:IncreaseDecreaseInInventories

us-gaap:IncreaseDecreaseInInventories


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value2419000.01608000.0330000.044000.0824000.0191000.0538000.0724000.0270000.0442000.0-257000.0152000.0311000.0174000.0369000.083000.075000.0-234000.0-282000.0216000.075000.0236000.012000.0
Percentage of IncreaseDecreaseInInventories100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-0.543-41.8427.81810-10.153-22.366-4.86-0.2220.318-17.099-4.348-5.097-6.363-13.26-3.723-3.788
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.7-56.39.915.2-20.0-35.2-8.2-0.40.6-36.2-10.1-13.4-17.9-43.4-13.2-15.1

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-17360000.0-27779000.0-9651000.0-4677000.0-20437000.0-9065000.0-17300000.0-18293000.0-11467000.0-8019000.0-14713000.0-10244000.0-12206000.0-11117000.0-11149000.0-6524000.0-6444000.0-5303000.0-6266000.0-4075000.0-4436000.0-6126000.0-7702000.0-5746000.0-4959000.0-4392000.0
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-21.4-37.4-12.2-6.5-40.2-14.3-29.3-33.5-21.5-17.0-34.1-26.9-34.4-36.4-39.6-26.1-27.0-24.7-33.5-24.3-28.2-47.7-71.0-61.5-55.8-62.3

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-17360000.0-27779000.0-9651000.0-4677000.0-20437000.0-9065000.0-17300000.0-18293000.0-10725000.0-8019000.0-9727000.0-13304000.0-11117000.0
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.093.5100.095.0109.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-21.4-37.4-12.2-6.5-40.2-14.3-29.3-33.5-20.1-17.0-25.5-37.5-36.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.0

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-17360000.0-27779000.0-9651000.0-4677000.0-20437000.0-9065000.0-17300000.0-17782000.0-11467000.0-8019000.0-14713000.0-10244000.0-12206000.0-11117000.0-11149000.0-6524000.0
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-21.4-37.4-12.2-6.5-40.2-14.3-29.3-32.5-21.5-17.0-34.1-26.9-34.4-36.4-39.6-26.1

Share Based Compensation

us-gaap:ShareBasedCompensation

us-gaap:ShareBasedCompensation


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value102013179.7680.3057.1777.3197.334.4154.7954.2114.0763.2473.0992.7322.2642.0280.620.4010.4420.4080.375
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value1.702117-17.485-204.4812959-12.508-87.872-15.343264.2691.6866.70321-10.4726.142
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.1157.5-22.2-284.258.394.3-21.2-160.7-28.856.09.94.418.970.2-37.224.5

Payments To Acquire Property Plant And Equipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value5.9234.2112.3645.6012.1813.405114.1722.8331.6351.4931.4611.1181.1080.9110.5310.9461.1740.9420.7520.410.6590.264
Percentage of PaymentsToAcquirePropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0.338-26.4462.9592075.705-1.4933.1961062.944-1.1382.7571.5152.428-0.3972.4371.735
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.4-35.63.8287.911.2-2.35.4194.95.5-2.46.44.06.8-1.38.66.9

Repayments Of Long Term Debt

us-gaap:RepaymentsOfLongTermDebt

us-gaap:RepaymentsOfLongTermDebt


Repayments
Period End2021-06-302021-03-31
Value2.9162.917
Percentage of RepaymentsOfLongTermDebt100.0100.0

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

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312014-12-312013-12-31
Value41.4941.3640.1837.9234.730.3527.426.2326.0624.7423.222.1419.4918.3112.2411.5210.299.346.165.054.813.73.59
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Liabilities

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxLiabilities


Deferred
Period End2020-12-312019-12-312018-12-31
Value20230.388
Percentage of DeferredTaxLiabilities100.0100.0100.0

Deferred Tax Assets Net

us-gaap:DeferredTaxAssetsNet

us-gaap:DeferredTaxAssetsNet


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value20230.0410.00.00.00.0
Percentage of DeferredTaxAssetsNet100.0100.0100.00.00.00.00.0

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
Value2300000.01842000.01459000.0943000.0616000.0570000.0460000.0364000.0
Percentage of UnrecognizedTaxBenefits100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Valuation Allowance

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:DeferredTaxAssetsValuationAllowance


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value123886544443829
Percentage of DeferredTaxAssetsValuationAllowance100.0100.0100.0100.0100.0100.0100.0

irtc:AccountsReceivableAllowanceForContractualAdjustments

irtc:AccountsReceivableAllowanceForContractualAdjustments


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value3.8046.6737.6965.6532.9754.5924.413.7833.4443.8816.3880.3860.2632.355
Percentage of AccountsReceivableAllowanceForContractualAdjustments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

irtc:AccountsReceivableContractualAdjustments

irtc:AccountsReceivableContractualAdjustments


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value3.2653.1854.3183.5053.7683.4772.1283.6052.1221.4353.179-0.0163.09-0.018
Percentage of AccountsReceivableContractualAdjustments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

irtc:AllowanceForDoubtfulAccountsReceivableWriteOffsNetOfRecoveriesAndOtherAdjustments

irtc:AllowanceForDoubtfulAccountsReceivableWriteOffsNetOfRecoveriesAndOtherAdjustments


Allowance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value1445000.03046000.01610000.01502000.01940000.02262000.0937000.09976000.0-4883000.01346000.02029000.0-12000.02531000.0-5000.01012000.0474000.0246000.0132000.0
Percentage of AllowanceForDoubtfulAccountsReceivableWriteOffsNetOfRecoveriesAndOtherAdjustments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

irtc:CollaborationAgreementMilestoneExpense us-gaap:CounterpartyName

irtc:CollaborationAgreementMilestoneExpense

irtc:VerilyLifeSciencesLLC


Collaboration
Period End2020-09-302020-06-30
Value03000000.0
Percentage of CollaborationAgreementMilestoneExpense0.0100.0

irtc:IncreaseDecreaseInOperatingLeaseLiabilities

irtc:IncreaseDecreaseInOperatingLeaseLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-1212000.0-1364000.0-1284000.0-1209000.0-1163000.0-1163000.0-1162000.0-241000.0-2638000.0-1200000.0
Percentage of IncreaseDecreaseInOperatingLeaseLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

irtc:OperatingLeaseRightOfUseAssetsAmortization

irtc:OperatingLeaseRightOfUseAssetsAmortization


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1672000.01555000.01533000.01511000.01491000.01495000.01501000.02308000.03961000.01183000.0
Percentage of OperatingLeaseRightOfUseAssetsAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

irtc:PercentageOfPerformanceTargetToBeEarnedAtPerformanceThreshold us-gaap:Range, us-gaap:AwardDate, us-gaap:AwardType, us-gaap:PlanName

irtc:PercentageOfPerformanceTargetToBeEarnedAtPerformanceThreshold

srt:Maximum, irtc:AwardDateTwo, us-gaap:PerformanceShares, irtc:A2021Awards


Percentage
Period End2021-02-28
Value200.0
Percentage of PercentageOfPerformanceTargetToBeEarnedAtPerformanceThreshold100.0

irtc:PropertyPlantAndEquipmentCostsIncludedInLiabilities

irtc:PropertyPlantAndEquipmentCostsIncludedInLiabilities


Property
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value5204000.0115000.0-1322000.01233000.0136000.01975000.0246000.038000.049000.0-132000.0
Percentage of PropertyPlantAndEquipmentCostsIncludedInLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

irtc:ProvisionForDoubtfulAccountsAndContractualAllowances

irtc:ProvisionForDoubtfulAccountsAndContractualAllowances


Provision
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value4.4129.7686.9274.349.1846.8985.9744.7097.5272.4813.762.683.2951.7112.4441.772
Percentage of ProvisionForDoubtfulAccountsAndContractualAllowances100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

irtc:ShareBasedPaymentArrangementByShareBasedPaymentAwardPerformanceThresholdPercentage us-gaap:Range, us-gaap:AwardDate, us-gaap:AwardType, us-gaap:PlanName

irtc:ShareBasedPaymentArrangementByShareBasedPaymentAwardPerformanceThresholdPercentage

srt:Maximum, irtc:AwardDateTwo, us-gaap:PerformanceShares, irtc:A2021Awards


Share
Period End2021-02-28
Value29.0
Percentage of ShareBasedPaymentArrangementByShareBasedPaymentAwardPerformanceThresholdPercentage100.0

srt:Minimum, irtc:AwardDateTwo, us-gaap:PerformanceShares, irtc:A2020Awards


Share
Period End2021-02-28
Value50.0
Percentage of ShareBasedPaymentArrangementByShareBasedPaymentAwardPerformanceThresholdPercentage172.4

srt:Minimum, irtc:AwardDateTwo, us-gaap:PerformanceShares, irtc:A2021Awards


Share
Period End2021-02-28
Value19.7
Percentage of ShareBasedPaymentArrangementByShareBasedPaymentAwardPerformanceThresholdPercentage67.9

us-gaap:AccretionAmortizationOfDiscountsAndPremiumsInvestments

us-gaap:AccretionAmortizationOfDiscountsAndPremiumsInvestments


Accretion
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-512000.0-498000.0-458000.0-38000.0-105000.0171000.0268000.0197000.0192000.0227000.0274000.0283000.0179000.0171000.0145000.091000.070000.046000.0
Percentage of AccretionAmortizationOfDiscountsAndPremiumsInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value0.747251.2973.5630.6874.4620.1771.5540.2983.2590.0990.2671.271
Percentage of AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value0.747251.2973.5630.6874.4620.1771.5540.2983.259-0.099-0.2671.271
Percentage of AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0-100.0-100.0100.0

us-gaap:ConcentrationRiskPercentage1 us-gaap:MajorCustomers, us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType

us-gaap:ConcentrationRiskPercentage1

irtc:FederalGovernmentAgencies, us-gaap:AccountsReceivable, us-gaap:CustomerConcentrationRisk


Concentration
Period End2021-03-31
Value14.0
Percentage of ConcentrationRiskPercentage1100.0

irtc:FederalGovernmentAgencies, us-gaap:SalesRevenueNet, us-gaap:CustomerConcentrationRisk


Concentration
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-30
Value14.014.028.00.270.2728.00.360.350.380.380.370.390.38
Percentage of ConcentrationRiskPercentage10.0100.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ContractWithCustomerLiabilityRevenueRecognized

us-gaap:ContractWithCustomerLiabilityRevenueRecognized


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value0900000.0001200000.01200000.00100000.01200000.0001200000.0
Percentage of ContractWithCustomerLiabilityRevenueRecognized0.0100.00.00.0100.0100.00.0100.0100.00.00.0100.0

us-gaap:DepreciationAndAmortization

us-gaap:DepreciationAndAmortization


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value2200000.02036000.01978000.01700000.01600000.01551000.01188000.0900000.0700000.0621000.0596000.0600000.0600000.0548000.0494000.0500000.0300000.0298000.0-682000.0210000.0200000.0227000.0199000.0646000.0
Percentage of DepreciationAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount

us-gaap:EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount


Employee
Period End2021-06-302021-03-31
Value721000.0911000.0
Percentage of EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount100.0100.0

us-gaap:IncreaseDecreaseInAccruedLiabilities

us-gaap:IncreaseDecreaseInAccruedLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value4.155-6.146.6734.324-0.222-9.4670.3678.8223.193-6.387.4412.8383.474-2.9774.071.0752.092-1.8733.7430.4642.412-3.2391.476
Percentage of IncreaseDecreaseInAccruedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInContractWithCustomerLiability

us-gaap:IncreaseDecreaseInContractWithCustomerLiability


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value1082000.0495000.0-8000.0-259000.082000.0-136000.0362000.0-289000.0-111000.066000.069000.0532000.0-457000.0-139000.0334000.0347000.0
Percentage of IncreaseDecreaseInContractWithCustomerLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherNoncurrentAssets

us-gaap:IncreaseDecreaseInOtherNoncurrentAssets


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value-746000.0775000.02711000.0710000.0726000.02002000.02366000.01192000.0809000.0365000.050000.0306000.0-216000.0-409000.0-326000.0285000.0162000.0346000.0393000.0343000.0269000.0230000.0146000.0
Percentage of IncreaseDecreaseInOtherNoncurrentAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value242000.0-387000.02680000.0939000.0-478000.0-114000.0684000.0-15000.0-142000.0169000.01337000.0277000.0744000.0-790000.0598000.0172000.0428000.0-403000.0658000.0188000.059000.0-42000.0176000.0
Percentage of IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-5000.01000.0-57000.0-113000.0-183000.0282000.043000.0-21000.033000.043000.0107000.019000.047000.0-20000.0-37000.021000.0-22000.0-19000.0
Percentage of OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-5000.01000.0-57000.0-113000.0-183000.0282000.043000.0-21000.033000.043000.019000.047000.0-20000.0
Percentage of OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.747251.2973.5630.6874.4620.1771.5540.2993.2582.2390.10.2641.274
Percentage of PaymentsRelatedToTaxWithholdingForShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesDebt

us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesDebt


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value1630622060.08.00919101359.6161931375.43739
Percentage of PaymentsToAcquireAvailableForSaleSecuritiesDebt100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromIssuanceOfCommonStock

us-gaap:ProceedsFromIssuanceOfCommonStock


Proceeds
Period End2021-06-302021-03-312020-08-212020-09-302020-06-302020-03-312019-09-102019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value4.0011.5762064.3216.3922.9691071.03.2892.121.6154.1920.8771.7352.3250.035
Percentage of ProceedsFromIssuanceOfCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value24151478.0315617172237183445283040243.3
Percentage of ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt


Proceeds
Period End2020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value0.00.00.0140.00.0
Percentage of ProceedsFromSaleOfAvailableForSaleSecuritiesDebt0.00.00.0100.00.00.0

us-gaap:ProceedsFromStockOptionsExercised

us-gaap:ProceedsFromStockOptionsExercised


Proceeds
Period End2020-12-312019-12-312017-03-312016-12-312016-03-312015-12-31
Value-0.3620.2870.0350.050.006-0.003
Percentage of ProceedsFromStockOptionsExercised100.0100.0100.0100.0100.0100.0

us-gaap:ProvisionForDoubtfulAccounts

us-gaap:ProvisionForDoubtfulAccounts


Provision
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
Value0.6083.0953.2841.2741.3654.5922.6563.1152.530.828-0.0912.0952.1311.6911.7850.4290.8650.5610.488
Percentage of ProvisionForDoubtfulAccounts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability


Right
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.295.7570.00.00.00.621-0.31890.00.0
Percentage of RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability100.0100.00.00.00.0100.0100.0100.00.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate

irtc:MarketConditionAwards


Share
Period End2021-06-302021-03-312020-09-30
Value063.062.37
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate0.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate

irtc:MarketConditionAwards


Share
Period End2021-06-302021-03-312020-09-30
Value00.170.1683
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate0.0100.0100.0

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value1.5928.091.972.481.6511.21-0.390.86-1.310.42-0.130.012.424.890.140.89
Percentage of ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-15.1778.89-0.10.01-1.3468.320.58-1.0-3.2758.232.122.072.8927.22-1.29-2.81
Percentage of ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value4.0011.5766.5624.3216.3922.9693.0861.0013.287
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value4.0011.5766.5624.3216.3922.9693.0861.0013.2882.121.6144.1930.877
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

irtc:AccountsReceivableForContractualAllowance

irtc:AccountsReceivableForContractualAllowance


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312014-12-31
Value25242117151615131413107.9816.998.4517.4445.7345.0343.4652.342.250.3380.091
Percentage of AccountsReceivableForContractualAllowance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

irtc:AccruedEmployeeStockPurchasePlanContribution

irtc:AccruedEmployeeStockPurchasePlanContribution


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value578000.02455000.0851000.02073000.0459000.01776000.0417000.01656000.0373000.0
Percentage of AccruedEmployeeStockPurchasePlanContribution100.0100.0100.0100.0100.0100.0100.0100.0100.0

irtc:CashEquivalentsAndCurrentAndNoncurrentInvestments

irtc:CashEquivalentsAndCurrentAndNoncurrentInvestments


Cash
Period End2020-12-312019-12-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value30614273778490102111
Percentage of CashEquivalentsAndCurrentAndNoncurrentInvestments100.0100.0100.0100.0100.0100.0100.0100.0

irtc:ClaimsPayableCurrent

irtc:ClaimsPayableCurrent


Claims
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value4669000.03559000.04757000.04086000.03566000.03159000.02802000.02991000.03220000.03420000.02374000.02374000.02123000.01812000.01375000.0257000.0
Percentage of ClaimsPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

irtc:CollaborationAgreementAccruedLiabilities us-gaap:CounterpartyName

irtc:CollaborationAgreementAccruedLiabilities

irtc:VerilyLifeSciencesLLC


Collaboration
Period End2020-12-31
Value4000000.0
Percentage of CollaborationAgreementAccruedLiabilities100.0

irtc:DebtInstrumentInterestPortion us-gaap:DebtInstrument

irtc:DebtInstrumentInterestPortion

irtc:ThirdAmendedAndRestatedSiliconValleyBankLoanAgreement


Debt
Period End2020-12-31
Value2077000.0
Percentage of DebtInstrumentInterestPortion100.0

irtc:DeferredTaxAssetsLeaseObligations

irtc:DeferredTaxAssetsLeaseObligations


Deferred
Period End2020-12-312019-12-312018-12-31
Value22230.0
Percentage of DeferredTaxAssetsLeaseObligations100.0100.00.0

irtc:DeferredTaxAssetsValuationAllowancesAndOther

irtc:DeferredTaxAssetsValuationAllowancesAndOther


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value1411116.6824.7872.0240.807
Percentage of DeferredTaxAssetsValuationAllowancesAndOther100.0100.0100.0100.0100.0100.0100.0

irtc:InventoryAndPrintedCircuitBoardAssemblies

irtc:InventoryAndPrintedCircuitBoardAssemblies


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value9261000.06863000.05313000.05062000.04989000.04227000.04037000.03499000.06517000.05629000.04593000.04629000.04788000.04680000.04933000.04856000.04462000.04244000.04163000.04136000.02776000.0
Percentage of InventoryAndPrintedCircuitBoardAssemblies100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

irtc:InventoryAndPrintedCircuitBoardAssemblies us-gaap:PublicUtilitiesInventory

irtc:FinishedGoods


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value5260000.04284000.02844000.02814000.02426000.02561000.02463000.02158000.04543000.04661000.03565000.03630000.03645000.03160000.03830000.04119000.03411000.03255000.03324000.03245000.02147000.0
Percentage of InventoryAndPrintedCircuitBoardAssemblies56.862.453.555.648.660.661.061.769.782.877.678.476.167.577.684.876.476.779.878.577.3

irtc:RawMaterials


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value4001000.02579000.02469000.02248000.02563000.01666000.01574000.01341000.01974000.0968000.01028000.0999000.01143000.01520000.01103000.0737000.01051000.0989000.0839000.0891000.0629000.0
Percentage of InventoryAndPrintedCircuitBoardAssemblies43.237.646.544.451.439.439.038.330.317.222.421.623.932.522.415.223.623.320.221.522.7

irtc:LongTermDebtCarryingValue us-gaap:DebtInstrument

irtc:LongTermDebtCarryingValue

irtc:ThirdAmendedAndRestatedSiliconValleyBankLoanAgreement


Long
Period End2020-12-31
Value33
Percentage of LongTermDebtCarryingValue100.0

irtc:OperatingLeaseLiabilitiesCurrentPortion

irtc:OperatingLeaseLiabilitiesCurrentPortion


Operating
Period End2020-12-312020-06-302020-03-312019-12-312018-12-31
Value8171000.08157000.08078000.07914000.00
Percentage of OperatingLeaseLiabilitiesCurrentPortion100.0100.0100.0100.00.0

irtc:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodAggregateGrantDateFairValue us-gaap:AwardDate, us-gaap:AwardType, us-gaap:PlanName

irtc:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodAggregateGrantDateFairValue

irtc:AwardDateOne, us-gaap:PerformanceShares, irtc:A2021Awards


Share
Period End2021-01-31
Value13
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodAggregateGrantDateFairValue100.0

irtc:AwardDateTwo, us-gaap:PerformanceShares, irtc:A2021Awards


Share
Period End2021-02-28
Value17
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodAggregateGrantDateFairValue0.0

us-gaap:AccruedProfessionalFeesCurrent

us-gaap:AccruedProfessionalFeesCurrent


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value1612000.01386000.01709000.01131000.01167000.0181000.02846000.0820000.0895000.0867000.01243000.0705000.0883000.01587000.01041000.0555000.01152000.0806000.0636000.01106000.0652000.0
Percentage of AccruedProfessionalFeesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedSalariesCurrent

us-gaap:AccruedSalariesCurrent


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value22161915108.3751914138.44318108.6864.679.3615.6274.972.9126.179
Percentage of AccruedSalariesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedVacationCurrent

us-gaap:AccruedVacationCurrent


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value7194000.06959000.06007000.05504000.05076000.04480000.03809000.03571000.03646000.03404000.02825000.02619000.02565000.02417000.02081000.01923000.01988000.01868000.01642000.01436000.01250000.0
Percentage of AccruedVacationCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AllowanceForDoubtfulAccountsReceivable

us-gaap:AllowanceForDoubtfulAccountsReceivable


Allowance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312014-12-31
Value1112121111119.0497.334.6724.3334.8516.9714.8645.2643.5682.7952.842.2211.7922.5971.1250.47
Percentage of AllowanceForDoubtfulAccountsReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetsFairValueDisclosure

us-gaap:AssetsFairValueDisclosure


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value221236306306100991421595254737784901021051061071111.2571.254
Percentage of AssetsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetsFairValueDisclosure us-gaap:FairValueByAssetClass

us-gaap:CommercialPaper


Assets
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value2829292635348.18315363544394748363324
Percentage of AssetsFairValueDisclosure13.112.79.68.825.221.715.429.149.545.953.243.946.245.634.230.922.4

us-gaap:CorporateDebtSecurities


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value312426261.0088.85314151.99911161521182415242723
Percentage of AssetsFairValueDisclosure14.310.38.68.71.08.910.59.43.820.922.520.626.020.124.014.922.725.621.5

us-gaap:MoneyMarketFunds


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value1041115974663413249.74823101313165.5745.7221314451.2571.254
Percentage of AssetsFairValueDisclosure47.347.219.524.466.834.69.815.118.443.614.417.315.517.85.55.412.213.041.3100.0100.0

us-gaap:USGovernmentAgenciesDebtSecurities


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value567019017832567785333.4779.975124.472162435323216
Percentage of AssetsFairValueDisclosure25.429.862.258.132.256.554.553.762.46.413.616.15.318.224.434.130.830.514.8

us-gaap:AssetsFairValueDisclosure us-gaap:FairValueByAssetClass, us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:CommercialPaper, us-gaap:FairValueInputsLevel2


Assets
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value2829292635348.18315363544394748363324
Percentage of AssetsFairValueDisclosure13.112.79.68.825.221.715.429.149.545.953.243.946.245.634.230.922.4

us-gaap:CorporateDebtSecurities, us-gaap:FairValueInputsLevel2


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value312426261.0088.85314151.99911161521182415242723
Percentage of AssetsFairValueDisclosure14.310.38.68.71.08.910.59.43.820.922.520.626.020.124.014.922.725.621.5

us-gaap:MoneyMarketFunds, us-gaap:FairValueInputsLevel1


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value1041115974663413249.74823101313165.5745.7221314451.2571.254
Percentage of AssetsFairValueDisclosure47.347.219.524.466.834.69.815.118.443.614.417.315.517.85.55.412.213.041.3100.0100.0

us-gaap:USGovernmentAgenciesDebtSecurities, us-gaap:FairValueInputsLevel2


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value567019017832567785333.4779.975124.472162435323216
Percentage of AssetsFairValueDisclosure25.429.862.258.132.256.554.553.762.46.413.616.15.318.224.434.130.830.514.8

us-gaap:AssetsFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel1


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value1041115974663413249.74823101313165.5745.7221314451.2571.254
Percentage of AssetsFairValueDisclosure47.347.219.524.466.834.69.815.118.443.614.417.315.517.85.55.412.213.041.3100.0100.0

us-gaap:FairValueInputsLevel2


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value11612424623133651281354330626371749699939365
Percentage of AssetsFairValueDisclosure52.752.880.575.633.265.490.284.981.656.485.682.784.582.294.594.687.887.058.7

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value11000.022000.018000.075000.0181000.0372000.083000.040000.035000.03000.03000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax us-gaap:InvestmentType

us-gaap:CorporateNoteSecurities


Available
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-03-312018-12-31
Value1000.02000.04000.07000.01000.011000.06000.02000.03000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax9.111.15.33.90.313.315.066.7100.0

us-gaap:USGovernmentCorporationsAndAgenciesSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value10000.022000.016000.071000.0174000.0371000.072000.034000.035000.01000.00
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax90.9100.088.994.796.199.786.785.0100.033.30.0

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-312018-09-302018-06-302017-12-31
Value4000.010000.07000.07000.008000.01000.01000.019000.019000.038000.065000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax us-gaap:InvestmentType

us-gaap:CorporateNoteSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-312018-09-302018-06-302017-12-31
Value4000.010000.05000.06000.008000.001000.018000.015000.038000.036000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax100.0100.071.485.70.0100.00.0100.094.778.9100.055.4

us-gaap:USGovernmentCorporationsAndAgenciesSecurities


Available
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312018-09-302017-12-31
Value2000.01000.0001000.01000.04000.029000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax28.614.30.00.0100.05.321.144.6

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value22123630630699991411595254737784102
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis us-gaap:CashAndCashEquivalents

us-gaap:MoneyMarketFunds


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value1041115974663413249.748231013135.574
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis47.347.219.524.466.934.79.815.118.443.614.417.315.55.4

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis us-gaap:InvestmentType

us-gaap:CommercialPaper


Available
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value2829292635348.1831536354447
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis13.112.79.68.825.221.715.529.149.545.953.246.2

us-gaap:CorporateNoteSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value312426261.0018.8614151.9991116152124
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis14.310.38.68.71.08.910.59.43.820.922.520.626.024.0

us-gaap:USGovernmentCorporationsAndAgenciesSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value567019017832567785333.4769.976124.47224
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis25.429.862.258.132.156.454.553.762.46.413.616.15.324.4

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesRemainderOfFiscalYearFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesRemainderOfFiscalYearFairValue


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value2212363063061009913315052547377849099
Percentage of AvailableForSaleSecuritiesDebtMaturitiesRemainderOfFiscalYearFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue


Available
Period End2020-12-312019-12-31
Value306133
Percentage of AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtSecurities

us-gaap:AvailableForSaleSecuritiesDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value221236306306100991421595254737784102
Percentage of AvailableForSaleSecuritiesDebtSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtSecurities us-gaap:CashAndCashEquivalents

us-gaap:MoneyMarketFunds


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value1041115974663413249.748231013135.574
Percentage of AvailableForSaleSecuritiesDebtSecurities47.347.219.524.466.834.69.815.118.443.614.417.315.55.5

us-gaap:AvailableForSaleSecuritiesDebtSecurities us-gaap:InvestmentType

us-gaap:CommercialPaper


Available
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value2829292635348.1831536354447
Percentage of AvailableForSaleSecuritiesDebtSecurities13.112.79.68.825.221.715.429.149.545.953.246.2

us-gaap:CorporateNoteSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value312426261.0088.85314151.9991116152124
Percentage of AvailableForSaleSecuritiesDebtSecurities14.310.38.68.71.08.910.59.43.820.922.520.626.024.0

us-gaap:USGovernmentCorporationsAndAgenciesSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value567019017832567785333.4779.975124.47224
Percentage of AvailableForSaleSecuritiesDebtSecurities25.429.862.258.132.256.554.553.762.46.413.616.15.324.4

us-gaap:AvailableForSaleSecuritiesDebtSecuritiesCurrent

us-gaap:AvailableForSaleSecuritiesDebtSecuritiesCurrent


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value1161242462313365120118433058636693
Percentage of AvailableForSaleSecuritiesDebtSecuritiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashCashEquivalentsAndShortTermInvestments

us-gaap:CashCashEquivalentsAndShortTermInvestments


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-06-302017-03-312016-12-31
Value22123630630610099142159525473106107111
Percentage of CashCashEquivalentsAndShortTermInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashEquivalentsAtCarryingValue

us-gaap:CashEquivalentsAtCarryingValue


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value1041115974663413329.74823151317165.574181314451.254
Percentage of CashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentFairValue us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis

us-gaap:DebtInstrumentFairValue

us-gaap:FairValueInputsLevel2, us-gaap:EstimateOfFairValueFairValueDisclosure


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value27303336363635353534343636373832
Percentage of DebtInstrumentFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentFairValue us-gaap:FairValueByMeasurementBasis

us-gaap:CarryingReportedAmountFairValueDisclosure


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value273033343434343434343432323434
Percentage of DebtInstrumentFairValue97.897.797.396.996.495.999.199.198.6100.0100.088.388.389.788.1

us-gaap:DebtLongtermAndShorttermCombinedAmount

us-gaap:DebtLongtermAndShorttermCombinedAmount


Debt
Period End2020-12-31
Value33
Percentage of DebtLongtermAndShorttermCombinedAmount100.0

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months


Debt
Period End2020-12-312020-03-312019-12-312019-03-312018-12-312018-09-302017-12-31
Value427.849172.498172837357309
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months us-gaap:InvestmentType

us-gaap:CorporateNoteSecurities


Debt
Period End2020-12-312020-03-312019-12-312019-03-312018-12-312018-09-302017-12-31
Value137.849112.498111592324503
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months32.8100.065.8100.065.856.142.8

us-gaap:USGovernmentCorporationsAndAgenciesSecurities


Debt
Period End2020-12-312019-12-312018-12-312018-09-302017-12-31
Value285.9775.9771245024940
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months67.234.234.243.943.5

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss


Debt
Period End2020-12-312020-03-312019-12-312018-12-312018-09-302017-12-31
Value0.0070.0080.0110.0111965
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss us-gaap:InvestmentType

us-gaap:CorporateNoteSecurities


Debt
Period End2020-12-312020-03-312019-12-312018-12-312018-09-302017-12-31
Value0.0050.0080.010.011536
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss71.4100.090.990.978.955.4

us-gaap:USGovernmentCorporationsAndAgenciesSecurities


Debt
Period End2020-12-312019-12-312018-12-312018-09-302017-12-31
Value0.0020.0010.0014.029
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss28.69.19.121.144.6

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPosition

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPosition


Debt
Period End2020-12-312020-09-302020-03-312019-12-312019-06-302019-03-312018-12-31
Value42467.849200.02.49820
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPosition100.0100.0100.0100.00.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPosition us-gaap:InvestmentType

us-gaap:CorporateNoteSecurities


Debt
Period End2020-12-312020-09-302020-03-312019-12-312019-03-312018-12-31
Value13187.849142.49814
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPosition32.839.1100.070.8100.070.8

us-gaap:USGovernmentCorporationsAndAgenciesSecurities


Debt
Period End2020-12-312020-09-302019-12-312018-12-31
Value28285.9775.977
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPosition67.260.929.229.2

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss


Debt
Period End2020-12-312020-09-302020-03-312019-12-312018-12-31
Value7000.07000.08000.019000.019000.0
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss us-gaap:InvestmentType

us-gaap:CorporateNoteSecurities


Debt
Period End2020-12-312020-09-302020-03-312019-12-312018-12-31
Value5000.06000.08000.018000.018000.0
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss71.485.7100.094.794.7

us-gaap:USGovernmentCorporationsAndAgenciesSecurities


Debt
Period End2020-12-312020-09-302019-12-312018-12-31
Value2000.01000.01000.01000.0
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss28.614.35.35.3

us-gaap:DeferredFinanceCostsNet us-gaap:DebtInstrument

us-gaap:DeferredFinanceCostsNet

irtc:ThirdAmendedAndRestatedSiliconValleyBankLoanAgreement


Deferred
Period End2020-12-31
Value49000.0
Percentage of DeferredFinanceCostsNet100.0

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsGross


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value1441116544443829
Percentage of DeferredTaxAssetsGross100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value91645035383427
Percentage of DeferredTaxAssetsOperatingLossCarryforwards100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsDomestic

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsDomestic


Deferred
Period End2020-12-31
Value368
Percentage of DeferredTaxAssetsOperatingLossCarryforwardsDomestic100.0

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal


Deferred
Period End2020-12-31
Value218
Percentage of DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal100.0

us-gaap:DeferredTaxAssetsTaxCreditCarryforwards

us-gaap:DeferredTaxAssetsTaxCreditCarryforwards


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value7110000.05601000.04287000.02642000.01587000.01728000.01388000.0
Percentage of DeferredTaxAssetsTaxCreditCarryforwards100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost


Deferred
Period End2020-12-312019-12-312018-12-31
Value8831000.05932000.03149000.0
Percentage of DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesLeasingArrangements

us-gaap:DeferredTaxLiabilitiesLeasingArrangements


Deferred
Period End2020-12-312019-12-312018-12-31
Value20220.0
Percentage of DeferredTaxLiabilitiesLeasingArrangements100.0100.00.0

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment


Deferred
Period End2020-12-312019-12-312018-12-31
Value108000.0850000.0388000.0
Percentage of DeferredTaxLiabilitiesPropertyPlantAndEquipment100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions us-gaap:AwardType

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions

us-gaap:RestrictedStockUnitsRSU


Employee
Period End2021-06-302021-03-312020-12-312020-09-30
Value1031146161
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions100.0100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions


Employee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value2.22.93.95.05.37.68.9101113141514169.51010105.1
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions us-gaap:AwardType

us-gaap:EmployeeStock


Employee
Period End2020-12-31
Value1.9
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions48.7

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions us-gaap:SubsidiarySaleOfStock

us-gaap:EmployeeStock


Employee
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value4.51.01.82.50.51.11.41.90.91.30.60.90.81.30.40.91.21.9
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions204.534.536.047.26.612.413.616.26.89.23.96.05.013.74.08.911.737.3

us-gaap:InterestPayableCurrent

us-gaap:InterestPayableCurrent


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-03-312017-12-31
Value96000.0110000.0121000.0124000.0124000.0128000.0128000.0128000.0139000.0129000.0139000.0161000.0154000.0
Percentage of InterestPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths


Lessee
Period End2020-12-312019-12-31
Value9513000.09253000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths100.0100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths us-gaap:DebtInstrument

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths

irtc:ThirdAmendedAndRestatedSiliconValleyBankLoanAgreement


Long
Period End2020-12-31
Value12
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree us-gaap:DebtInstrument

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree

irtc:ThirdAmendedAndRestatedSiliconValleyBankLoanAgreement


Long
Period End2020-12-31
Value9914000.0
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo us-gaap:DebtInstrument

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo

irtc:ThirdAmendedAndRestatedSiliconValleyBankLoanAgreement


Long
Period End2020-12-31
Value12
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo100.0

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent


Operating
Period End2020-12-31
Value7.37
Percentage of OperatingLeaseWeightedAverageDiscountRatePercent100.0

us-gaap:SaleOfStockPricePerShare

us-gaap:SaleOfStockPricePerShare


Sale
Period End2020-08-212019-09-10
Value175.073.0
Percentage of SaleOfStockPricePerShare100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

us-gaap:RestrictedStockUnitsRSU


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value94.2577.9256.6236.9627.390
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice


Share
Period End2021-06-302021-03-312020-12-312020-09-30
Value37.8236.5134.3631.68
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-312014-12-31
Value1353120149766262789195971591461151131111009370114.191
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue


Share
Period End2021-06-302021-03-312020-12-312020-09-30
Value1353119148
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice


Share
Period End2021-06-302021-03-312020-12-312020-09-30
Value41.4141.2440.0137.71
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice100.0100.0100.0100.0

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding us-gaap:AwardType

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding

us-gaap:RestrictedStockUnitsRSU


Sharebased
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value2646038263.166
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding100.0100.0100.0100.0100.0

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1


Sharebased
Period End2021-06-302021-03-312020-12-312020-09-30
Value134898120
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1100.0100.0100.0100.0

us-gaap:TaxCreditCarryforwardValuationAllowance us-gaap:IncomeTaxAuthority

us-gaap:TaxCreditCarryforwardValuationAllowance

us-gaap:ForeignCountry


Tax
Period End2020-12-312019-12-31
Value6900000.05100000.0
Percentage of TaxCreditCarryforwardValuationAllowance100.0100.0

us-gaap:StateAndLocalJurisdiction


Tax
Period End2020-12-312019-12-31
Value3100000.02700000.0
Percentage of TaxCreditCarryforwardValuationAllowance44.952.9

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate


Unrecognized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value2300000.01800000.01500000.0900000.0600000.0600000.0
Percentage of UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate100.0100.0100.0100.0100.0100.0

Line plots across dimensions of each concept


us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities
(None,)
Antidilutive Securities Excluded From Computation Of Earnings Per Share Amountus-gaap: Antidilutive Securities Excluded From Computation Of Earnings Per Share By Antidilutive Securities
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:AllocatedShareBasedCompensationExpense
us-gaap:AwardType, us-gaap:PlanName
('us-gaap:PerformanceShares', None)
Allocated Share Based Compensation Expenseus-gaap: Award Type, us-gaap: Plan Name
us-gaap:AllocatedShareBasedCompensationExpense
us-gaap:AwardDate, us-gaap:AwardType, us-gaap:PlanName
(None, 'us-gaap:PerformanceShares', 'irtc:A2021Awards')
Allocated Share Based Compensation Expenseus-gaap: Award Date, us-gaap: Award Type, us-gaap: Plan Name
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ProductOrService
(None,)
Revenue From Contract With Customer Excluding Assessed Taxus-gaap: Product Or Service
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:StockholdersEquity
us-gaap:StatementEquityComponents
(None,)
Stockholders Equityus-gaap: Statement Equity Components
us-gaap:StockIssuedDuringPeriodValueNewIssues
us-gaap:StatementEquityComponents
(None,)
Stock Issued During Period Value New Issuesus-gaap: Statement Equity Components