SRPT


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

Table of contents



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

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:EarningsPerShareBasicAndDiluted

us-gaap:AllocatedShareBasedCompensationExpense
us-gaap:AwardType
us-gaap:IncomeStatementLocation

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:CostsAndExpenses

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeTaxExpenseBenefit

us-gaap:InterestExpense
us-gaap:AdjustmentsForNewAccountingPronouncements
us-gaap:InterestExpenseDebt
us-gaap:AdjustmentsForNewAccountingPronouncements, us-gaap:DebtInstrument

us-gaap:InterestPaidNet

us-gaap:NetIncomeLoss
us-gaap:AdjustmentsForNewAccountingPronouncements
us-gaap:StatementEquityComponents

us-gaap:NonoperatingIncomeExpense

us-gaap:OperatingIncomeLoss

us-gaap:OtherComprehensiveIncomeLossNetOfTax

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:ProfitLoss

us-gaap:ResearchAndDevelopmentExpense
us-gaap:CounterpartyName, us-gaap:BalanceSheetLocation, us-gaap:TypeOfArrangement
us-gaap:CounterpartyName, us-gaap:TypeOfArrangement

us-gaap:ResearchAndDevelopmentExpenseExcludingAcquiredInProcessCost

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:CounterpartyName, us-gaap:TypeOfArrangement
us-gaap:ProductOrService

us-gaap:Revenues

us-gaap:SellingGeneralAndAdministrativeExpense

us-gaap:Assets

us-gaap:Liabilities

us-gaap:LiabilitiesAndStockholdersEquity

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

us-gaap:AssetsCurrent

us-gaap:CashAndCashEquivalentsAtCarryingValue
us-gaap:InvestmentType

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:ShortTermInvestments

us-gaap:AccountsReceivableNetCurrent

us-gaap:InventoryNet

us-gaap:OtherAssetsCurrent

us-gaap:PropertyPlantAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AmortizationOfIntangibleAssets

us-gaap:PropertyPlantAndEquipmentNet
us-gaap:CounterpartyName
us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:DeferredTaxAssetsLiabilitiesNet

us-gaap:OperatingLeaseRightOfUseAsset
us-gaap:CounterpartyName, us-gaap:TypeOfArrangement

us-gaap:OtherAssetsNoncurrent

us-gaap:AccountsPayableCurrent

us-gaap:AccruedLiabilitiesCurrent

us-gaap:ContractWithCustomerLiabilityCurrent

us-gaap:LiabilitiesCurrent

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:OtherLiabilitiesCurrent
us-gaap:DebtInstrument
us-gaap:LongTermDebt
us-gaap:DebtInstrument, us-gaap:InvestmentType, us-gaap:LongtermDebtType

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:CounterpartyName, us-gaap:TypeOfArrangement

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

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

us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:DepreciationDepletionAndAmortization

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:IncreaseDecreaseInInventories

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss
us-gaap:AdjustmentsForNewAccountingPronouncements
us-gaap:StatementEquityComponents

us-gaap:ProfitLoss

us-gaap:ShareBasedCompensation

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:UnrecognizedTaxBenefits

us-gaap:DeferredTaxAssetsValuationAllowance

srpt:AccretionAmortizationOfDiscountsAndPremiumsShortTermInvestments

srpt:AmortizationOfDiscountsPremiumsInvestmentsCashEquivalentAndShortTermInvestment

srpt:CostOfGoodsSoldExcludingAmortization
us-gaap:IncomeStatementLocation
srpt:DerecognitionOfLeaseLiabilities
us-gaap:IncomeStatementLocation
srpt:DerecognitionOfRightOfUseAsset
us-gaap:TypeOfArrangement
srpt:DevelopmentMilestoneAndSettlementUpfrontFeeRecognizedAsResearchAndDevelopmentExpense

srpt:IncreaseDecreaseInAccountsPayableAndAccruedExpensesAndOtherLiabilities
us-gaap:AdjustmentsForNewAccountingPronouncements
srpt:IncreaseDecreaseInAccumulatedDeficit
us-gaap:AdjustmentsForNewAccountingPronouncements, us-gaap:DebtInstrument
us-gaap:AdjustmentsForNewAccountingPronouncements, us-gaap:SubsequentEventType
us-gaap:AdjustmentsForNewAccountingPronouncements
srpt:IncreaseDecreaseInAdditionalPaidInCapital
us-gaap:AdjustmentsForNewAccountingPronouncements, us-gaap:DebtInstrument
us-gaap:AdjustmentsForNewAccountingPronouncements, us-gaap:SubsequentEventType
us-gaap:AdjustmentsForNewAccountingPronouncements
srpt:IncreaseDecreaseInConvertibleNotes
us-gaap:AdjustmentsForNewAccountingPronouncements, us-gaap:DebtInstrument
us-gaap:AdjustmentsForNewAccountingPronouncements, us-gaap:SubsequentEventType

srpt:LeaseLiabilitiesTerminated
us-gaap:Range, us-gaap:TypeOfArrangement
srpt:MilestonePaymentToBePaidByCompanyUponSpecifiedResearchMilestoneAchievement

srpt:NoncashInterestExpense

srpt:OtherInvestingActivity
us-gaap:TypeOfArrangement
srpt:PaymentForOptionExercise

srpt:PaymentsCreditsReservesForDiscountsAndAllowances
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType
us-gaap:CounterpartyName
srpt:ProceedsFromSaleOfRarePediatricDiseasePriorityReviewVoucherNetOfCommission

srpt:ProvisionForReservesForDiscountsAndAllowances
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType
us-gaap:IncomeStatementLocation
srpt:RecognitionOfLoss

srpt:ReductionInTheCarryingAmountsOfTheRightOfUseAssets
us-gaap:StatementEquityComponents
srpt:RestrictedStockUnitsVested

srpt:SettlementAndLicenseCharges
us-gaap:CounterpartyName, us-gaap:IncomeStatementLocation, us-gaap:TypeOfArrangement
srpt:SublicensePayment
us-gaap:CounterpartyName, us-gaap:SubsequentEventType, us-gaap:TypeOfArrangement

srpt:TaxesPaidRelatedToNetShareSettlementOfEquityAwards
us-gaap:IncomeStatementLocation, us-gaap:TypeOfArrangement
srpt:UpfrontPayment

us-gaap:AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation
us-gaap:StatementEquityComponents

us-gaap:AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition
us-gaap:StatementEquityComponents

us-gaap:AvailableForSaleSecuritiesTransfersToTradingGrossGains

us-gaap:BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType
us-gaap:ConcentrationRiskPercentage1

us-gaap:GainLossOnDispositionOfIntangibleAssets

us-gaap:IncreaseDecreaseInDeferredRevenue

us-gaap:IncreaseDecreaseInOtherOperatingAssets

us-gaap:InvestmentIncomeInterest

us-gaap:LiabilitiesFairValueAdjustment
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:DebtInstrument, us-gaap:InvestmentType, us-gaap:LongtermDebtType
us-gaap:LineOfCreditFacilityCommitmentFeePercentage

us-gaap:LossContingencyLossInPeriod

us-gaap:NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1
us-gaap:CounterpartyName, us-gaap:TypeOfArrangement
us-gaap:OperatingLeaseCost

us-gaap:OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax

us-gaap:OtherNoncashIncomeExpense

us-gaap:OtherNonoperatingExpense

us-gaap:OtherOperatingIncomeExpenseNet

us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesDebt
us-gaap:StatementScenario, us-gaap:DebtInstrument, us-gaap:InvestmentType, us-gaap:LongtermDebtType
us-gaap:ProceedsFromDebtNetOfIssuanceCosts
us-gaap:BusinessAcquisition
us-gaap:ProceedsFromIssuanceOfCommonStock

us-gaap:ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities

us-gaap:ProceedsFromSaleOfIntangibleAssets

us-gaap:ProceedsFromStockOptionsExercised

us-gaap:RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised

us-gaap:StockIssuedDuringPeriodValueEmployeeStockPurchasePlan
us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised
us-gaap:StatementEquityComponents
us-gaap:CounterpartyName, us-gaap:TypeOfArrangement
us-gaap:VariableLeaseCost

srpt:AccruedClinicalAndPreclinicalCostsCurrent

srpt:AccruedCollaborationCostSharing

srpt:AccruedContractManufacturingExpenseCurrent

srpt:AccruedMilestoneAndLicenseExpenseCurrent

srpt:AccruedMilestoneExpenseCurrent

srpt:AccruedProductRevenueRelatedReserveCurrent

srpt:AccruedPropertyAndEquipmentCurrent

srpt:AvailableForSaleDebtSecuritiesCurrentAccumulatedGrossUnrealizedGainBeforeTax

srpt:AvailableForSaleDebtSecuritiesCurrentAmortizedCostBasis
us-gaap:CounterpartyName
srpt:BusinessCombinationContingentConsiderationLiabilityIncreased
us-gaap:CounterpartyName
srpt:CancellableFutureCommitments

srpt:CashAndCashEquivalentsAmortizedCostBasis
us-gaap:InvestmentType

srpt:CashAndCashEquivalentsGrossUnrealizedGainBeforeTax

srpt:CashAndCashEquivalentsGrossUnrealizedLossBeforeTax

srpt:CashCashEquivalentsAndInvestments

srpt:CashCashEquivalentsAndInvestmentsAmortizedCostBasis

srpt:CashCashEquivalentsAndInvestmentsGrossUnrealizedGainBeforeTax

srpt:CashCashEquivalentsAndInvestmentsGrossUnrealizedLossBeforeTax
us-gaap:CounterpartyName, us-gaap:BalanceSheetLocation, us-gaap:TypeOfArrangement
srpt:CleanRoomSuiteReservationFeesPayments

srpt:CollaborationReceivable
us-gaap:CounterpartyName, us-gaap:TypeOfArrangement

srpt:CollaborationReceivableCurrent
us-gaap:CounterpartyName, us-gaap:TypeOfArrangement
srpt:ContractualObligationToBePaidAfterYearFour

srpt:DeferredTaxAssetsDepreciationAndAmortization

srpt:DeferredTaxAssetsLeaseLiabilities

srpt:DeferredTaxLiabilitiesDebtDiscount

srpt:DeferredTaxLiabilitiesRightOfUseAsset
us-gaap:CounterpartyName, us-gaap:SubsequentEventType
srpt:FinalSalePriceUnderAgreement

srpt:FiniteLivedIntangibleAssetsAmortizationExpenseOneThroughFiveYears

srpt:LeaseholdImprovementReceivableCurrent

srpt:ManufacturingRelatedDepositsAndPrepaidExpenseCurrent

srpt:ManufacturingRelatedDepositsAndPrepaidExpenseNonCurrent
us-gaap:Range, us-gaap:TypeOfArrangement
srpt:ObligationsDueToDevelopmentRegulatoryCommercialMilestoneAndUpFrontRoyaltyPayments
us-gaap:CounterpartyName, us-gaap:TypeOfArrangement
srpt:PercentageOfPrepaymentsCreditedBackEqualToBatchInvoiceAmount

srpt:PrepaidClinicalAndPreclinicalExpensesCurrent

srpt:PrepaidMaintenanceServicesCurrent

srpt:PrepaidResearchExpensesCurrent
us-gaap:CounterpartyName, us-gaap:BalanceSheetLocation, us-gaap:TypeOfArrangement
srpt:Prepayments
us-gaap:CounterpartyName
srpt:RegulatoryMilestonePayable

srpt:ReservesForComponentOfAccruedExpenses

srpt:ReservesForReductionToAccountsReceivable

srpt:StrategicInvestmentsNoncurrent
us-gaap:CounterpartyName, us-gaap:BalanceSheetLocation, us-gaap:TypeOfArrangement
srpt:UpfrontLicenseFee

us-gaap:AccruedProfessionalFeesCurrent

us-gaap:AccruedRoyaltiesCurrent

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType

us-gaap:AssetsFairValueDisclosure
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:InvestmentType
us-gaap:InvestmentType
us-gaap:InvestmentType
us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
us-gaap:InvestmentType
us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
us-gaap:InvestmentType
us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis
us-gaap:InvestmentType
us-gaap:AvailableForSaleSecuritiesDebtSecurities

us-gaap:AvailableForSaleSecuritiesDebtSecuritiesCurrent

us-gaap:BilledContractReceivables
us-gaap:CounterpartyName
us-gaap:BusinessAcquisitionCostOfAcquiredEntityTransactionCosts

us-gaap:BusinessCombinationContingentConsiderationLiability
us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:CashCashEquivalentsAndShortTermInvestments

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations

us-gaap:CashEquivalentsAtCarryingValue
us-gaap:InvestmentType
us-gaap:CounterpartyName, us-gaap:TypeOfArrangement
us-gaap:ContractWithCustomerLiability

us-gaap:ContractWithCustomerLiabilityNoncurrent

us-gaap:ContractualObligation
us-gaap:CounterpartyName, us-gaap:TypeOfArrangement

us-gaap:ContractualObligationDueAfterFifthYear

us-gaap:ContractualObligationDueInFifthYear

us-gaap:ContractualObligationDueInFourthYear
us-gaap:CounterpartyName, us-gaap:TypeOfArrangement

us-gaap:ContractualObligationDueInNextTwelveMonths
us-gaap:CounterpartyName, us-gaap:TypeOfArrangement

us-gaap:ContractualObligationDueInSecondYear
us-gaap:CounterpartyName, us-gaap:TypeOfArrangement

us-gaap:ContractualObligationDueInThirdYear
us-gaap:CounterpartyName, us-gaap:TypeOfArrangement
us-gaap:CounterpartyName, us-gaap:TypeOfArrangement
us-gaap:ContractualObligationFutureMinimumPaymentsDueRemainderOfFiscalYear

us-gaap:DebtInstrumentFaceAmount
us-gaap:DebtInstrument

us-gaap:DebtInstrumentFairValue
us-gaap:AdjustmentsForNewAccountingPronouncements, us-gaap:DebtInstrument
us-gaap:DebtInstrument
us-gaap:DebtInstrument
us-gaap:DebtInstrumentInterestRateEffectivePercentage
us-gaap:DebtInstrument
us-gaap:DebtInstrumentUnamortizedDiscount
us-gaap:DebtInstrument, us-gaap:InvestmentType, us-gaap:LongtermDebtType
us-gaap:DebtInstrument
us-gaap:DeferredFinanceCostsNet
us-gaap:DebtInstrument, us-gaap:InvestmentType, us-gaap:LongtermDebtType
us-gaap:Range, us-gaap:DebtInstrument, us-gaap:InvestmentType, us-gaap:LongtermDebtType

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsInProcessResearchAndDevelopment

us-gaap:DeferredTaxAssetsInventory

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards
us-gaap:IncomeTaxAuthority
us-gaap:IncomeTaxAuthority
us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits

us-gaap:EmployeeRelatedLiabilitiesCurrent

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
us-gaap:NatureOfExpense

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo

us-gaap:FiniteLivedIntangibleAssetsGross
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:GovernmentContractReceivable

us-gaap:InterestPayableCurrent

us-gaap:InventoryFinishedGoodsNetOfReserves

us-gaap:InventoryRawMaterialsNetOfReserves

us-gaap:InventoryWorkInProcessAndRawMaterialsNetOfReserves
us-gaap:CounterpartyName, us-gaap:TypeOfArrangement
us-gaap:LesseeOperatingLeaseDiscountRate

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LiabilitiesFairValueDisclosure
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:DebtInstrument, us-gaap:InvestmentType, us-gaap:LongtermDebtType
us-gaap:LineOfCreditFacilityCurrentBorrowingCapacity

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo

us-gaap:LongTermLoansPayable
us-gaap:LongtermDebtType

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

us-gaap:OperatingLossCarryforwardsValuationAllowance

us-gaap:OtherAssetsMiscellaneousCurrent

us-gaap:OtherAssetsMiscellaneousNoncurrent

us-gaap:PrepaidExpenseNoncurrent

us-gaap:PrepaidInsurance

us-gaap:PrepaidTaxes

us-gaap:RestrictedCashAndInvestmentsNoncurrent

us-gaap:RestrictedCashNoncurrent
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1
us-gaap:IncomeTaxAuthority, us-gaap:TaxCreditCarryforward
us-gaap:TaxCreditCarryforwardAmount

Plots across concepts


IncomeStatement
Operating Income Loss
Expenses
Other Nonoperating Income Expense
Balance Sheet
Finite Lived Intangible Assets Net
Assets
Operating Lease Right Of Use Asset
Current Assets
Accounts Receivable Net Current
NonCurrent Assets
Finite Lived Intangible Assets Net
PropertyPlantAndEquipmentNet
Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
Liabilities
Operating Lease Liability
Current Liabilities
Other Accrued Liabilities Current
Stockholders Equity
Retained Earnings Accumulated Deficit
CashFlow
Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInInvestingActivities
Payments To Acquire Property Plant And Equipment
Shares
Weighted Average Number Of Diluted Shares Outstanding
OperatingLeaseLiability
Operating Lease Liability Current
NonoperatingIncomeExpense
Other Nonoperating Income Expense
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Undiscounted Excess Amount
FiniteLivedIntangibleAssets
Finite Lived Intangible Assets Accumulated Amortization
InventoryNet
Inventory Finished Goods Net Of Reserves
AccountsReceivable
Allowance For Doubtful Accounts Receivable Current

Tables

  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
us-gaap:CommonStockValue ▄▄▄▄▄▄0.0080.0080.0080.0080.0080.008
 us-gaap:SharesOutstanding us-gaap:StatementEquityComponents us-gaap:CommonStockNANA79.37478.7978.43277.958
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding █▁79.74679.454NA78.50177.96876.432
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic █▁79.74679.454NA78.50177.96876.432
us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted ██▁███79.74679.4540.07890578.50177.96876.432
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount ▁█9.810.3NA9.610.010.5
us-gaap:EarningsPerShareBasicAndDiluted ▆▂▁▁▃█-1.02-2.1-2.4-2.5-1.93-0.23
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
us-gaap:AllocatedShareBasedCompensationExpense ▇▇█▅▆▁29.028.529.626.927.624.0
us-gaap:ComprehensiveIncomeNetOfTax ▅▂▁▁▃█-81.4-167.256-189.308-196.511-151.438-16.918
us-gaap:CostsAndExpenses █▆▇▄▄▁331.663298.796315.854280.992275.716231.7
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest ▅▂▁▁▃█-81.759-167.393-188.485-196.403-150.8-17.377
us-gaap:IncomeTaxExpenseBenefit ▁▂█▄▃▄-0.354-0.1430.8320.0960.020.115
us-gaap:InterestExpense ▄▄█▁▁▁15.83115.65118.7313.88913.71313.615
 us-gaap:InterestExpenseDebt us-gaap:AdjustmentsForNewAccountingPronouncements srpt:AccountingStandardsUpdate202006NANANANANANA
 us-gaap:InterestExpenseDebt us-gaap:AdjustmentsForNewAccountingPronouncements,us-gaap:DebtInstrument srpt:AccountingStandardsUpdate202006,srpt:TwoThousandAndTwentyFourSeniorConvertibleNotes▄▄2.72.7NANA7.87.7
us-gaap:InterestPaidNet █▅▇▁▄▁16.09211.68813.9565.439.6475.385
us-gaap:NetIncomeLoss ▆▂▁▁▃█-81.405-167.25-189.317-196.499-150.82-17.492
 us-gaap:NetIncomeLoss us-gaap:AdjustmentsForNewAccountingPronouncements srpt:AccountingStandardsUpdate2020065.5NANANANANA
 us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents us-gaap:RetainedEarnings█▁-81.405-167.25NA-196.499-150.82-17.492
us-gaap:NonoperatingIncomeExpense ▇▃▃▁▃█85.815-15.528-17.769-59.335-12.447100.649
us-gaap:OperatingIncomeLoss ▁▄▁▅▅█-167.574-151.865-170.716-137.068-138.353-118.026
us-gaap:OtherComprehensiveIncomeLossNetOfTax ▅▅▅▅▁█0.005-0.0060.009-0.012-0.6180.574
us-gaap:OtherNonoperatingIncomeExpense ▃▄▇▁▃█-0.427-0.0720.677-0.881-0.3711.092
us-gaap:ProfitLoss ▆▂▁▁▃█-81.405-167.25-189.317-196.499-150.82-17.492
us-gaap:ResearchAndDevelopmentExpense NANA207.239190.438188.522136.144
 us-gaap:ResearchAndDevelopmentExpense us-gaap:CounterpartyName,us-gaap:BalanceSheetLocation,us-gaap:TypeOfArrangement srpt:Roche,us-gaap:PrepaidExpensesAndOtherCurrentAssets,us-gaap:CollaborativeArrangementNANANA8.0NANA
 us-gaap:ResearchAndDevelopmentExpense us-gaap:CounterpartyName,us-gaap:TypeOfArrangement srpt:Roche,us-gaap:CollaborativeArrangement▅▃█▅▁▄18.013.424.316.98.916.4
us-gaap:ResearchAndDevelopmentExpenseExcludingAcquiredInProcessCost █▅▆▅▅▁239.622195.149207.239190.438188.522136.144
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax █▅▅▅▃▁141.839124.926122.644121.429111.344100.448
us-gaap:Revenues █▆▅▅▄▁164.089146.931145.138143.924137.363113.674
us-gaap:SellingGeneralAndAdministrativeExpense ▂▁█▃▂▆72.34771.13186.04675.37373.68882.768
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
us-gaap:Assets ▁▁█▂▅▇2759.0732765.2332984.7182780.6642883.0432947.388
us-gaap:Liabilities █▇▇▂▂▁2273.9652229.7882222.9591888.6171840.1771802.56
us-gaap:LiabilitiesAndStockholdersEquity ▁▁█▂▅▇2759.0732765.2332984.7182780.6642883.0432947.388
us-gaap:StockholdersEquity ▁▂▄▅▇█485.108535.445761.759892.0471042.8661144.828
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
us-gaap:AssetsCurrent ▁▁▆▂▆█2265.2172271.352485.1962322.6732459.4212547.348
us-gaap:CashAndCashEquivalentsAtCarryingValue ▆▁▂▁▅█1697.2751481.8361502.6481474.6371639.9591764.212
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents ▆▁▂▁▅█1706.341490.9011511.7131483.2021648.5241772.777
us-gaap:ShortTermInvestments ▁▅█▆██30.0255.997435.923341.467421.349406.94
us-gaap:AccountsReceivableNetCurrent █▆▁▆▂▂127.52118.203101.34121.827104.028106.875
us-gaap:InventoryNet █▆▅▄▁▁268.756240.333231.961220.118179.65173.168
us-gaap:OtherAssetsCurrent ▄▆█▅▂▁141.666174.981213.324164.624114.43596.153
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
us-gaap:PropertyPlantAndEquipmentGross NANA266.457NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType srpt:LabEquipmentNANA49.571NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType srpt:SoftwareAndComputerEquipmentNANA33.948NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:BuildingAndBuildingImprovementsNANA39.397NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:ConstructionInProgressNANA71.541NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:FurnitureAndFixturesNANA7.01NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:LandNANA5.183NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:LandImprovementsNANA3.61NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:LeaseholdImprovementsNANA55.019NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:OfficeEquipmentNANA1.178NANANA
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment NANA76.027NANANA
us-gaap:AmortizationOfIntangibleAssets █▄▁▂▁▂0.1790.170.1650.1660.1650.166
us-gaap:PropertyPlantAndEquipmentNet ██▇▅▃▁203.33203.107190.43171.715153.34137.325
 us-gaap:IntangibleAssetsNetExcludingGoodwill us-gaap:CounterpartyName srpt:UniversityOfWesternAustraliaNANA0.9NANANA
us-gaap:FiniteLivedIntangibleAssetsNet ██▅▄▃▁14.10514.12413.62813.34413.10512.813
us-gaap:DeferredTaxAssetsLiabilitiesNet NANA0.887NANANA
us-gaap:OperatingLeaseRightOfUseAsset ▃▁█▃▄▁72.86865.06891.76171.08574.19763.097
us-gaap:OtherAssetsNoncurrent ▆█▆▆▁▂203.553211.584203.703201.847182.98186.805
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
us-gaap:AccountsPayableCurrent ▅▅█▅▆▁76.68176.651111.0974.52891.6626.595
us-gaap:AccruedLiabilitiesCurrent █▃▄▄▁▂240.141180.636193.553199.063159.088176.298
us-gaap:ContractWithCustomerLiabilityCurrent ▁▁▁▁▁█89.24489.24489.24489.24489.31191.073
us-gaap:LiabilitiesCurrent █▄▇▅▄▁425.022364.736416.026378.388354.896306.429
us-gaap:OperatingLeaseLiabilityCurrent NANA20.93NANANA
us-gaap:OtherAccruedLiabilitiesCurrent ▂▁▂▂▃█4.3463.9464.4724.7835.3528.214
us-gaap:OtherLiabilitiesCurrent ▆▅█▃▃▁18.95618.20522.13915.55314.83712.463
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
 us-gaap:LongTermDebt us-gaap:DebtInstrument srpt:TwoThousandAndNineteenTermLoan█▄▁530.376529.03527.731NANANA
 us-gaap:LongTermDebt us-gaap:DebtInstrument srpt:TwoThousandAndTwentyFourSeniorConvertibleNotes██▁562.609562.08464.762NANANA
 us-gaap:LongTermDebt us-gaap:DebtInstrument,us-gaap:InvestmentType,us-gaap:LongtermDebtType srpt:BiopharmaCreditPLCAndBiopharmaCreditInvestmentsVMasterLP,srpt:TrancheBTermLoan,srpt:DecemberTwoThousandNineteenTermLoanNANANANANANA
us-gaap:OtherLiabilitiesNoncurrent ██▇▁▃▃20.6420.98419.7855.04810.24810.248
us-gaap:OperatingLeaseLiabilityNoncurrent ▃▁█▄▅▃65.28560.67580.36768.22972.40165.263
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo NANA25.513NANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree NANA25.615NANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour NANA25.43NANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive NANA10.91NANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive NANA4.131NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
us-gaap:StockholdersEquity ▁▂▄▅▇█485.108535.445761.759892.0471042.8661144.828
us-gaap:CommonStockValue ▄▄▄▄▄▄0.0080.0080.0080.0080.0080.008
us-gaap:AdditionalPaidInCapitalCommonStock ▄▃█▅▃▁3521.7213490.6583609.8773550.8573505.1653455.689
us-gaap:RetainedEarningsAccumulatedDeficit ▁▂▃▅▇█-3036.623-2955.218-2848.129-2658.812-2462.313-2311.493
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▁▁▁▁▁█0.002-0.0030.003-0.0060.0060.624
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▂▁▂▁▂█-109.146-180.371-174.535-238.186-107.603627.79
us-gaap:NetCashProvidedByUsedInInvestingActivities █▅▁▄▂▃321.059156.666-123.89154.075-34.225-17.68
us-gaap:NetCashProvidedByUsedInFinancingActivities ▁▁█▁▁█3.5262.893326.93718.78917.575319.022
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▃▂▂▁▁█215.439-20.81228.511-165.322-124.253929.132
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
us-gaap:DepreciationDepletionAndAmortization ▇█▃▁▁▁8.4478.937.2886.6196.4756.529
us-gaap:IncreaseDecreaseInAccountsReceivable ▆█▁█▄█9.31716.863-20.48717.799-2.84715.996
us-gaap:IncreaseDecreaseInInventories ▆▂▃█▂▁28.4238.37211.84340.4686.4821.789
us-gaap:NetCashProvidedByUsedInOperatingActivities ▂▁▂▁▂█-109.146-180.371-174.535-238.186-107.603627.79
us-gaap:NetIncomeLoss ▆▂▁▁▃█-81.405-167.25-189.317-196.499-150.82-17.492
 us-gaap:NetIncomeLoss us-gaap:AdjustmentsForNewAccountingPronouncements srpt:AccountingStandardsUpdate2020065.5NANANANANA
 us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents us-gaap:RetainedEarnings█▁-81.405-167.25NA-196.499-150.82-17.492
us-gaap:ProfitLoss ▆▂▁▁▃█-81.405-167.25-189.317-196.499-150.82-17.492
us-gaap:ShareBasedCompensation ▇▇█▅▆▁28.96928.50829.52726.90327.61624.024
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
us-gaap:NetCashProvidedByUsedInInvestingActivities █▅▁▄▂▃321.059156.666-123.89154.075-34.225-17.68
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment ▁▆█▇▅▂5.89421.14928.6125.30319.1699.12
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
us-gaap:NetCashProvidedByUsedInFinancingActivities ▁▁█▁▁█3.5262.893326.93718.78917.575319.022
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312020-02-292019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value0.0080.0080.0080.0080.0080.0083120.0080.0070.0070.0070.0070.0070.0070.0070.0060.0060.0060.0050.0050.0050.0050.0050.0050.0040.0040.0040.0040.0040.0040.0040.0040.0040.0030.0030.0030.0020.0020.0130.0130.0130.0140.011
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Shares Outstanding

us-gaap:SharesOutstanding us-gaap:StatementEquityComponents

us-gaap:SharesOutstanding

us-gaap:CommonStock


Shares
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-311980-07-21
Value7978787775747474716666656454454137312218180.0
Percentage of SharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-06-302016-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-06-30
Value79797877767473716665646461545646452622221352222138121110
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-06-30
Value7979787776747371666564646154544846454141414139373331312622221352222134112110
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Share Outstanding Basic And Diluted

us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted

us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted


Weighted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-30
Value79790.0789057877760.07455774737168666564615456544846454441414141413937373331312222222223
Percentage of WeightedAverageNumberOfShareOutstandingBasicAndDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount


Antidilutive
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-30
Value9.8109.610.0109.69.79.89.29.49.99.8103.46.37.37.97.37.06.9389935.3052195.9058676.0965.2931456.7885.9977.3714716.949
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Basic And Diluted

us-gaap:EarningsPerShareBasicAndDiluted

us-gaap:EarningsPerShareBasicAndDiluted


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-03-312011-12-312011-09-302010-12-312010-09-30
Value-1.02-2.1-2.4-2.5-1.93-0.23-3.16-1.7-3.74-1.07-2.05-1.15-1.67-0.55-0.39-0.78-1.62-1.18-1.35-1.31-1.44-1.25-1.01-1.49-1.08-0.71-0.85-0.75-0.23-1.24-0.6-1.32-0.78-0.1-0.03-1.52-0.07
Percentage of EarningsPerShareBasicAndDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Allocated Share Based Compensation Expense

us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:AllocatedShareBasedCompensationExpense


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value29282926272422201916121115107.3666.922105.7126.8699.5736.836.696.3485.6835.93145.7674.6495.5874.3423.6513.4872.3181.6711.238080.6920.440.7080.6750.5920.716
Percentage of AllocatedShareBasedCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer130.3129.5131.6119.6106.1181.50.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AllocatedShareBasedCompensationExpense us-gaap:AwardType

srpt:EmployeeStockPurchasePlan


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value0.8091.5580.9621.4791.4161.9242.0421.4630.8010.7660.5510.490.490.2930.2840.5480.4520.470.5690.4480.670.6930.5340.6310.5840.4160.3670.2520.3220.2240.210.274
Percentage of AllocatedShareBasedCompensationExpense2.85.53.25.55.18.09.27.14.04.74.34.33.22.83.97.94.38.28.34.79.810.48.411.19.82.96.45.45.85.25.87.9
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer3.67.14.36.65.414.50.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer srpt:EmployeeStockPurchasePlan0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

srpt:RestrictedStockAndRestrictedStockUnitsRSUs


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value109.9319.418.958.3526.7455.775.2335.1843.9161.9781.9875.4071.260.8870.9543.250.2040.1830.2320.2730.184
Percentage of AllocatedShareBasedCompensationExpense36.534.831.833.330.328.126.125.426.224.315.417.335.412.012.013.831.13.62.72.44.02.8
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer47.545.141.839.832.151.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer srpt:RestrictedStockAndRestrictedStockUnitsRSUs0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:EmployeeStockOption


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value17171916171514131311109.0079.3828.9736.1955.426.7635.0386.0728.7785.7725.6985.5634.8015.099135.2184.2175.0423.9113.2192.982.0321.401
Percentage of AllocatedShareBasedCompensationExpense60.659.764.761.264.764.064.567.769.671.080.378.461.485.284.178.364.688.288.491.784.585.287.684.586.095.790.590.790.290.188.285.587.783.8
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer79.077.385.273.268.6116.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer us-gaap:EmployeeStockOption0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AllocatedShareBasedCompensationExpense us-gaap:IncomeStatementLocation

us-gaap:ResearchAndDevelopmentExpense


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value12111010119.2498.6996.9726.9235.0873.8653.265.0292.062.6611.8122.1951.8741.9722.6742.4042.4492.7642.6312.5622.4462.3831.6682.3451.8731.4791.1550.7240.530.390.2710.259
Percentage of AllocatedShareBasedCompensationExpense44.339.035.939.640.438.539.433.835.031.530.128.432.919.636.126.221.032.828.727.935.236.643.546.343.217.341.335.942.043.140.533.131.231.731.539.258.9
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer57.850.647.347.342.869.90.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer us-gaap:ResearchAndDevelopmentExpense0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:SellingGeneralAndAdministrativeExpenses


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value161718161614131312118.9738.224108.4664.7055.118.273.8384.8976.8994.426
Percentage of AllocatedShareBasedCompensationExpense55.561.063.860.459.761.660.566.364.868.569.971.667.180.463.973.879.067.271.372.164.8
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer72.479.084.072.363.3111.70.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer us-gaap:SellingGeneralAndAdministrativeExpenses0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value-81.4-167.256-189.308-196.511-151.438-16.918-235.728-126.333-276.34-76.525-141.002-76.024-108.985-35.627-24.365-47.708-63.02984-88.572-56.743-62.295-59.664-64.791-51.921-41.853-61.481-44.456-29.247-33.85-28.332-8.82-42.03-19.051-42.084-62.067-49.5548.038-17.704-1.41-4.021.2791.833
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer-365.8-760.1-841.6-873.6-582.0-127.90.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Costs And Expenses

us-gaap:CostsAndExpenses

us-gaap:CostsAndExpenses


Costs
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value33129831528027523133022237016322314817695809198559356625965514261
Percentage of CostsAndExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer1490.61357.91404.21249.11059.71751.90.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value-81.759-167.393-188.485-196.403-150.8-17.377-234.992-126.1-276.229-76.559-141.674-77.067-108.645-35.224-25.84-45.723-63.15586-88.452-56.742-62.301-59.77
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer-367.5-760.7-837.9-873.1-579.6-131.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-31
Value-354000.0-143000.0832000.096000.020000.0115000.0711000.0226000.0174000.084000.0-779000.0-674000.0622000.0139000.0-1842000.02011000.0-109000.02000000.0000
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer-1.6-0.63.70.40.10.90.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Interest Expense

us-gaap:InterestExpense

us-gaap:InterestExpense


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value1515181313138.397.5187.4267.3357.249108.1457.6344.4560.8020.2650.257
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer71.271.183.361.752.7102.90.00.00.00.00.00.00.00.00.00.00.00.0

Interest Expense Debt

us-gaap:InterestExpenseDebt us-gaap:AdjustmentsForNewAccountingPronouncements

us-gaap:InterestExpenseDebt

srpt:AccountingStandardsUpdate202006


Interest
Period End2021-01-02
Value5.4
Percentage of InterestExpenseDebt100.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer0.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer srpt:AccountingStandardsUpdate2020060.0

us-gaap:InterestExpenseDebt us-gaap:AdjustmentsForNewAccountingPronouncements, us-gaap:DebtInstrument

srpt:AccountingStandardsUpdate202006, srpt:TwoThousandAndTwentyFourSeniorConvertibleNotes


Interest
Period End2021-06-302021-03-312020-06-302020-03-31
Value2.72.77.87.7
Percentage of InterestExpenseDebt0.00.00.00.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer12.112.330.058.2
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer srpt:AccountingStandardsUpdate202006 srpt:TwoThousandAndTwentyFourSeniorConvertibleNotes0.00.00.00.0

Interest Paid Net

us-gaap:InterestPaidNet

us-gaap:InterestPaidNet


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-312018-09-302017-12-312017-09-30
Value1611135.439.6475.3854.2750.04.4470.8030.9880.386
Percentage of InterestPaidNet100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer72.353.162.024.137.140.70.00.00.00.00.00.0

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value-81.405-167.25-189.317-196.499-150.82-17.492-235.703-126.326-276.403-76.643-140.895-76.393-109.267-35.363-23.998-47.734-63.04684-88.452-56.742-62.301-59.77-64.681-51.939-41.851-61.559-44.416-29.226-33.874-28.273-8.82-42.03-19.051-42.084-62.067-49.5548.038-17.704-1.41-4.021.2791.833-7.644-7.293-16.656
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer-365.9-760.1-841.6-873.5-579.7-132.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NetIncomeLoss us-gaap:AdjustmentsForNewAccountingPronouncements

srpt:AccountingStandardsUpdate202006


Net
Period End2021-06-302021-01-02
Value5.55.4
Percentage of NetIncomeLoss-6.80.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer24.70.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer srpt:AccountingStandardsUpdate2020060.00.0

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-81.405-167.25-196.499-150.82-17.492-126.326-276.403-76.643-76.393-109.267-35.363
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer-365.9-760.1-873.5-579.7-132.30.00.00.00.00.00.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.0

Nonoperating Income Expense

us-gaap:NonoperatingIncomeExpense

us-gaap:NonoperatingIncomeExpense


Nonoperating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value85-15.528-17.769-59.335-12.447100-4.773-2.51-0.862-0.172-2.311-6.968-5.218-4.485-2.6930.1840.184125-0.057-0.209-0.201-0.068-0.229-0.1760.2560.3030.3064.449-3.603-3.15224-17.097-1.964-26.669-51.7-42.64913-10.837.597.251117.364-5.904-3.496-8.989
Percentage of NonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer385.7-70.6-79.0-263.8-47.8761.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Operating Income Loss

us-gaap:OperatingIncomeLoss

us-gaap:OperatingIncomeLoss


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value-167570000.0-151860000.0-170720000.0-137070000.0-138350000.0-118030000.0-230220000.0-123590000.0-275370000.0-76387000.0-139360000.0-70099000.0-103430000.0-30739000.0-23147000.0-45907000.0-63339000.0-39245000.0-88395000.0-56533000.0-62100000.0-59702000.0-64452000.0-51763000.0-42107000.0-61862000.0-44722000.0-33675000.0-30271000.0-25121000.0-32849000.0-24933000.0-17087000.0-15415000.0-10366000.0-6905000.0-5557000.0-6874000.0-9000000.0-11271000.0-10125000.0-5531000.0-1740000.0-3797000.0-7667000.0
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer-753.1-690.1-758.9-609.3-531.7-892.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Other Comprehensive Income Loss Net Of Tax

us-gaap:OtherComprehensiveIncomeLossNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302012-12-312012-09-302012-06-302011-12-312011-09-302011-06-30
Value5000.0-6000.09000.0-12000.0-618000.0574000.0-25000.0-7000.063000.0118000.0-107000.0369000.0282000.0-264000.0-367000.026000.017000.065000.0-120000.0-1000.06000.0106000.0-110000.018000.0-2000.078000.0-40000.0-21000.024000.0-59000.000000000
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer0.0-0.00.0-0.1-2.44.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Other Nonoperating Income Expense

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:OtherNonoperatingIncomeExpense


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value-427000.0-72000.0677000.0-881000.0-371000.01092000.0-211000.0-374000.0-121000.0470000.0-86000.0-59000.0-529000.0-4485000.0-2693000.0184000.0184000.0335000.0-57000.0-209000.0-201000.0-68000.0-229000.0-176000.0256000.0303000.0306000.0193000.0181000.099000.045000.063000.0-19000.0237000.083000.067000.0107000.096000.0
Percentage of OtherNonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer-1.9-0.33.0-3.9-1.48.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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-81.405-167.25-189.317-196.499-150.82-17.492-235.703-126.326-276.403-76.643-140.895-76.393-109.267-35.363-23.998-47.734
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer-365.9-760.1-841.6-873.5-579.7-132.30.00.00.00.00.00.00.00.00.00.0

Research And Development Expense

us-gaap:ResearchAndDevelopmentExpense

us-gaap:ResearchAndDevelopmentExpense


Research
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value20719018813622313311390146861224644345829703444384136293930212020252112131210131418151714139.0596.931
Percentage of ResearchAndDevelopmentExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer921.3846.6724.61029.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ResearchAndDevelopmentExpense us-gaap:CounterpartyName, us-gaap:BalanceSheetLocation, us-gaap:TypeOfArrangement

srpt:Roche, us-gaap:PrepaidExpensesAndOtherCurrentAssets, us-gaap:CollaborativeArrangement


Research
Period End2020-09-30
Value8.0
Percentage of ResearchAndDevelopmentExpense4.2
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer35.6
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer srpt:Roche us-gaap:PrepaidExpensesAndOtherCurrentAssets us-gaap:CollaborativeArrangement0.0

us-gaap:ResearchAndDevelopmentExpense us-gaap:CounterpartyName, us-gaap:TypeOfArrangement

srpt:Roche, us-gaap:CollaborativeArrangement


Research
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value181324168.916
Percentage of ResearchAndDevelopmentExpense0.00.011.78.94.712.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer80.960.9108.075.134.2124.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer srpt:Roche us-gaap:CollaborativeArrangement0.00.00.00.00.00.0

Research And Development Expense Excluding Acquired In Process Cost

us-gaap:ResearchAndDevelopmentExpenseExcludingAcquiredInProcessCost

us-gaap:ResearchAndDevelopmentExpenseExcludingAcquiredInProcessCost


Research
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value2391952071901881362231331139014686
Percentage of ResearchAndDevelopmentExpenseExcludingAcquiredInProcessCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer1077.0886.8921.3846.6724.61029.40.00.00.00.00.00.0

Revenue From Contract With Customer Excluding Assessed Tax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value14112412212111110010099948784787364574535165.421
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer637.5567.7545.2539.8427.9759.50.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:CounterpartyName, us-gaap:TypeOfArrangement

srpt:Roche, us-gaap:CollaborativeArrangement


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value222222222613
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax15.717.618.318.523.413.1
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer100.2100.0100.0100.099.999.8
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer srpt:Roche us-gaap:CollaborativeArrangement0.00.00.00.00.00.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService

srpt:AMONDYSFourtyFive


Revenue
Period End2021-06-302021-03-31
Value6.9360.193
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.90.2
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer31.20.9
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer srpt:AMONDYSFourtyFive0.00.0

srpt:EXONDYSFiftyOne


Revenue
Period End2021-06-302021-03-312020-06-302020-03-31
Value11210710498
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax79.385.893.797.7
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer505.4487.1401.0742.3
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer srpt:EXONDYSFiftyOne0.00.00.00.0

srpt:VYONDYSFiftyThree


Revenue
Period End2021-06-302021-03-312020-06-302020-03-31
Value22176.9972.265
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax15.814.06.32.3
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer100.979.726.917.1
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer srpt:VYONDYSFiftyThree0.00.00.00.0

Revenues

us-gaap:Revenues

us-gaap:Revenues


Revenues
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value16414614514313711310099948784787364574535165.421
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer737.5667.7645.2639.8527.9859.50.00.00.00.00.00.00.00.00.00.00.00.00.0

Selling General And Administrative Expense

us-gaap:SellingGeneralAndAdministrativeExpense

us-gaap:SellingGeneralAndAdministrativeExpense


Selling
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value7271867573828175676064534743322836262222172024151222
Percentage of SellingGeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer325.2323.2382.5335.1283.2625.80.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value27592765298427802883294718221702174719631642118212471300130780045051142448720421327318423124229531933727529130418319320453424654617445
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Liabilities

us-gaap:Liabilities

us-gaap:Liabilities


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value2273222922221888184018021004707648615609543548523518103728287788274836166414732374644579410681
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets82.480.674.567.963.861.255.141.537.131.337.145.943.940.339.712.916.116.120.616.140.534.930.533.328.617.316.110.311.116.915.218.951.654.939.7

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value27592765298427802883294718221702174719631642118212471300130780045051142448720421327318423124229531933727529130418319320453424654617445
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value485535761892104211448189951099134810326396997767896973774293364081211381901231652002472862992282472468887123-4.5662214313135-2.817
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets17.619.425.532.136.238.844.958.562.968.762.954.156.159.760.387.183.983.979.483.959.565.169.566.771.482.783.989.788.983.184.881.148.445.160.3-8.653.430.157.152.046.9-6.1

us-gaap:StockholdersEquity us-gaap:CumulativeEffectPeriodOfAdoption

srt:CumulativeEffectPeriodOfAdoptionAdjustment


Stockholders
Period End2020-12-31
Value-96.792
Percentage of StockholdersEquity-12.7
Percentage of Assets-3.2
Percentage of Assets srt:CumulativeEffectPeriodOfAdoptionAdjustment0.0

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

srt:CumulativeEffectPeriodOfAdoptionAdjustment, us-gaap:AdditionalPaidInCapital


Stockholders
Period End2020-12-31
Value-156.953
Percentage of StockholdersEquity-20.6
Percentage of Assets-5.3
Percentage of Assets srt:CumulativeEffectPeriodOfAdoptionAdjustment us-gaap:AdditionalPaidInCapital0.0

srt:CumulativeEffectPeriodOfAdoptionAdjustment, us-gaap:RetainedEarnings


Stockholders
Period End2020-12-31
Value60
Percentage of StockholdersEquity7.9
Percentage of Assets2.0
Percentage of Assets srt:CumulativeEffectPeriodOfAdoptionAdjustment us-gaap:RetainedEarnings0.0

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-31
Value0.002-0.0030.003-0.0060.0060.6240.050.0750.0820.019-0.0990.008-0.361-0.643-0.379-0.12-0.111-0.095
Percentage of StockholdersEquity0.0-0.00.0-0.00.00.10.00.00.00.0-0.00.0-0.1-0.1-0.0-0.0-0.1-0.0
Percentage of Assets0.0-0.00.0-0.00.00.00.00.00.00.0-0.00.0-0.0-0.0-0.0-0.0-0.0-0.0
Percentage of Assets us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-31
Value35213490360935503505345531123053303130042611207720612029200615031089926
Percentage of StockholdersEquity726.0651.9473.9398.1336.1301.9380.4306.8275.8222.8253.0324.7294.8261.3254.3446.4572.4374.2
Percentage of Assets127.6126.2120.9127.7121.6117.2170.7179.4173.4153.0159.0175.7165.3156.1153.4354.4397.9314.1
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-31
Value0.0080.0080.0080.0080.0080.0080.0080.0070.0070.0070.0070.0070.0070.0070.0060.0050.0050.004
Percentage of StockholdersEquity0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-31
Value-3036.623-2955.218-2848.129-2658.812-2462.313-2311.493-2294.001-2058.298-1931.972-1655.569-1578.926-1438.031-1361.638-1252.371-1217.008-1166.32-899.055-679.025
Percentage of StockholdersEquity-626.0-551.9-373.9-298.1-236.1-201.9-280.4-206.8-175.8-122.8-153.0-224.7-194.8-161.2-154.2-346.4-472.3-274.2
Percentage of Assets-110.1-106.9-95.4-95.6-85.4-78.4-125.8-120.9-110.5-84.3-96.2-121.6-109.2-96.3-93.0-275.0-328.4-230.2
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Assets Current

us-gaap:AssetsCurrent

us-gaap:AssetsCurrent


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value22652271248523222459254714681362142716711426101211391219122873539045737343415316022412218219324726930424927029017217619342333745516637
Percentage of AssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets82.182.183.383.585.386.480.680.081.785.186.985.691.393.893.991.986.889.488.189.275.175.382.066.178.779.584.084.690.390.692.995.494.291.394.679.478.980.783.185.088.182.3

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-312008-12-311980-07-21
Value16971481150214741639176483572480873237020941055759961716827412239511138805569747352102492562731561671873724303946542333353648110.0
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets61.553.650.353.056.959.945.842.646.337.322.617.732.942.945.877.237.453.728.981.154.817.829.330.230.030.724.916.430.517.888.189.985.186.991.571.658.265.573.475.972.30.073.10.00.00.00.00.0

us-gaap:CashAndCashEquivalentsAtCarryingValue us-gaap:InvestmentType

srpt:CashDepositsAndMoneyMarketFunds


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value1697137890092311331452315303318437244532
Percentage of CashAndCashEquivalentsAtCarryingValue100.093.059.962.669.182.337.841.839.459.865.988.9
Percentage of Assets61.549.930.233.239.349.317.317.818.222.314.940.8
Percentage of Assets srpt:CashDepositsAndMoneyMarketFunds0.00.00.00.00.00.00.00.00.00.00.00.0

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value170614901511148316481772843733817737370209410557599617168122
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets61.853.950.653.357.260.146.343.146.737.522.617.732.942.945.977.237.428.9

Short Term Investments

us-gaap:ShortTermInvestments

us-gaap:ShortTermInvestments


Short
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-06-302017-03-312016-12-312016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value3025543534142140628932429461280358353849147913211519511911124487911361831760.0
Percentage of ShortTermInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets1.19.314.612.314.613.815.919.016.831.248.949.343.237.836.729.522.646.15.642.741.023.937.737.846.457.652.40.0

Accounts Receivable Net Current

us-gaap:AccountsReceivableNetCurrent

us-gaap:AccountsReceivableNetCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value1271181011211041069068565049484239292417125.2283.9863.9823.993.9772.7332.4162.4162.4163.3625.2267.8493.536.7213.7885.6524.7132.4747.185.1353.6334.267103.224
Percentage of AccountsReceivableNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.64.33.44.43.63.65.04.03.32.63.04.13.43.12.33.14.02.41.20.82.01.91.51.51.01.00.81.11.52.91.22.22.12.92.34.717.111.06.77.014.57.0

Inventory Net

us-gaap:InventoryNet

us-gaap:InventoryNet


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value268240231220179173171166156140125115104998364413012
Percentage of InventoryNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets9.78.77.87.96.25.99.49.89.07.27.69.88.37.66.48.19.36.03.0

Other Assets Current

us-gaap:OtherAssetsCurrent

us-gaap:OtherAssetsCurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value141174213164114968179110136775442313627282226221516171923243526159.0793.0612.8075.6833.0231.5341.6981.5611.9241.6471.3220.9431.025
Percentage of OtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.16.37.15.94.03.34.54.66.36.94.74.63.42.42.83.46.34.46.34.57.57.96.310.510.010.111.98.34.73.31.00.93.11.60.73.23.74.13.02.21.32.2

Property Plant And Equipment Gross

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:PropertyPlantAndEquipmentGross


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312014-03-312013-12-312012-12-312011-12-31
Value2661801256168615837322020
Percentage of PropertyPlantAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets8.99.97.64.716.122.619.813.511.19.836.8

us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType

srpt:LabEquipment


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312014-03-312013-12-312012-12-312011-12-31
Value4930179.861412118.3327.7286.896.92
Percentage of PropertyPlantAndEquipmentGross18.616.614.116.120.820.820.222.423.934.334.5
Percentage of Assets1.71.61.10.83.34.74.03.02.73.412.7
Percentage of Assets srpt:LabEquipment0.00.00.00.00.00.00.00.00.00.00.0

srpt:SoftwareAndComputerEquipment


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312014-03-312013-12-31
Value3330158.9656.7756.1494.4152.9551.126
Percentage of PropertyPlantAndEquipmentGross12.717.012.614.79.99.97.67.93.5
Percentage of Assets1.11.71.00.71.62.21.51.10.4
Percentage of Assets srpt:SoftwareAndComputerEquipment0.00.00.00.00.00.00.00.00.0

us-gaap:BuildingAndBuildingImprovements


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value392322141212
Percentage of PropertyPlantAndEquipmentGross14.812.818.423.818.720.5
Percentage of Assets1.31.31.41.13.04.6
Percentage of Assets us-gaap:BuildingAndBuildingImprovements0.00.00.00.00.00.0

us-gaap:ConstructionInProgress


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312014-03-312013-12-31
Value7125407.8084.4361.5551.0820.52111
Percentage of PropertyPlantAndEquipmentGross26.814.432.012.86.52.51.91.434.9
Percentage of Assets2.41.42.40.61.00.60.40.23.9
Percentage of Assets us-gaap:ConstructionInProgress0.00.00.00.00.00.00.00.00.0

us-gaap:FurnitureAndFixtures


Property
Period End2020-12-312019-12-312018-12-31
Value7.017.093.227
Percentage of PropertyPlantAndEquipmentGross2.63.92.6
Percentage of Assets0.20.40.2
Percentage of Assets us-gaap:FurnitureAndFixtures0.00.00.0

us-gaap:Land


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value5.1835.1834.1584.1584.1584.1584.158
Percentage of PropertyPlantAndEquipmentGross1.92.93.36.86.16.77.1
Percentage of Assets0.20.30.30.31.01.51.4
Percentage of Assets us-gaap:Land0.00.00.00.00.00.00.0

us-gaap:LandImprovements


Property
Period End2020-12-312019-12-31
Value3.613.403
Percentage of PropertyPlantAndEquipmentGross1.41.9
Percentage of Assets0.10.2
Percentage of Assets us-gaap:LandImprovements0.00.0

us-gaap:LeaseholdImprovements


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312014-03-312013-12-312012-12-312011-12-31
Value555320132221212110109.959
Percentage of PropertyPlantAndEquipmentGross20.629.916.722.333.635.137.157.431.150.049.7
Percentage of Assets1.83.01.31.05.47.97.37.83.44.918.3
Percentage of Assets us-gaap:LeaseholdImprovements0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OfficeEquipment


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312014-03-312013-12-312012-12-312011-12-31
Value1.1781.1573.6632.2113.0282.7622.7132.211.4321.3011.295
Percentage of PropertyPlantAndEquipmentGross0.40.62.93.64.44.54.65.94.46.56.5
Percentage of Assets0.00.10.20.20.71.00.90.80.50.62.4
Percentage of Assets us-gaap:OfficeEquipment0.00.00.00.00.00.00.00.00.00.00.0

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment


Accumulated
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value76504438322825221918343331302827252423222119181717171717171616161515151514
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.52.82.62.21.71.72.11.81.51.44.37.36.27.25.813.312.19.012.69.68.76.75.95.36.25.95.79.48.88.231.038.534.329.025.420.532.5

Amortization Of Intangible Assets

us-gaap:AmortizationOfIntangibleAssets

us-gaap:AmortizationOfIntangibleAssets


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value179000.0170000.0165000.0166000.0165000.0166000.0200000.0216000.0217000.0216000.0216000.0216000.0217000.0216000.0216000.0780000.029000.028000.029000.0
Percentage of AmortizationOfIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:PropertyPlantAndEquipmentNet


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value2032031901711531371291191171069776575343383938373536363737373738372020158.2443.3593.0883.3973.6613.8984.1054.2652.4452.3632.07
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets7.47.36.46.25.34.77.17.06.75.45.96.54.64.13.34.98.87.58.97.317.717.313.620.216.115.613.011.76.07.35.22.71.81.61.76.99.38.87.84.03.24.5

Intangible Assets Net Excluding Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill us-gaap:CounterpartyName

us-gaap:IntangibleAssetsNetExcludingGoodwill

srpt:UniversityOfWesternAustralia


Intangible
Period End2020-12-31
Value900000.0
Percentage of IntangibleAssetsNetExcludingGoodwill100.0
Percentage of Assets0.0
Percentage of Assets srpt:UniversityOfWesternAustralia0.0

Finite Lived Intangible Assets Net

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:FiniteLivedIntangibleAssetsNet


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value141413131312121111111115141414147.7957.6848.0768.1116.9916.7286.6426.1166.0245.8425.8915.6895.3875.2175.0425.2315.1864.8834.9134.8374.744.7044.7644.6984.4593.98
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.50.50.50.50.50.40.70.70.70.60.71.31.21.11.11.81.71.51.91.73.43.22.43.32.62.42.01.81.61.91.71.72.82.52.49.111.310.18.87.76.08.7

Deferred Tax Assets Liabilities Net

us-gaap:DeferredTaxAssetsLiabilitiesNet

us-gaap:DeferredTaxAssetsLiabilitiesNet


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value887000.0598000.0233000.000
Percentage of DeferredTaxAssetsLiabilitiesNet100.0100.0100.00.00.0
Percentage of Assets0.00.00.00.00.0

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312019-01-01
Value7265917174633739394142
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.62.43.12.62.62.12.12.32.32.10.0

us-gaap:OperatingLeaseRightOfUseAsset us-gaap:CounterpartyName, us-gaap:TypeOfArrangement

srpt:CatalentIncAndThermoFisherScientificInc, srpt:ManufacturingCollaborationAgreementAndThermoAgreement


Operating
Period End2020-09-302020-06-30
Value3639
Percentage of OperatingLeaseRightOfUseAsset51.153.6
Percentage of Assets1.31.4
Percentage of Assets srpt:CatalentIncAndThermoFisherScientificInc srpt:ManufacturingCollaborationAgreementAndThermoAgreement0.00.0

srpt:ThermoFisherScientificInc, srpt:ThermoAgreement


Operating
Period End2021-06-30
Value10
Percentage of OperatingLeaseRightOfUseAsset14.4
Percentage of Assets0.4
Percentage of Assets srpt:ThermoFisherScientificInc srpt:ThermoAgreement0.0

Other Assets Noncurrent

us-gaap:OtherAssetsNoncurrent

us-gaap:OtherAssetsNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value2032112032011821861731691511331077835122110117.3463.9678.0516.9428.1454.477.675.3135.2752.0635.7296.4410.0250.0250.0251.6251.5252.7752.4250.2310.2060.1550.1390.1230.123
Percentage of OtherAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets7.47.76.87.36.36.39.59.98.76.86.56.72.81.01.71.42.61.40.91.73.43.81.64.22.32.20.71.81.90.00.00.00.90.81.44.60.50.40.30.20.20.3

Accounts Payable Current

us-gaap:AccountsPayableCurrent

us-gaap:AccountsPayableCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value767611174912668814426332017178.4675.317102729201718207.431149.318120.9671.3097.721178.1296.7277.0737.5324.3348.8138.1959.3967.899101.311
Percentage of AccountsPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.82.83.72.73.20.93.74.82.51.32.11.71.41.30.60.72.45.47.04.28.48.87.44.06.13.84.20.30.42.86.02.73.73.73.78.220.917.617.312.914.62.9

Accrued Liabilities Current

us-gaap:AccruedLiabilitiesCurrent

us-gaap:AccruedLiabilitiesCurrent


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value2401801931991591761851211071001348872656855393131293524291915151714131614
Percentage of AccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets8.76.56.57.25.56.010.27.16.15.18.27.55.85.05.37.08.76.17.36.117.211.410.610.76.66.25.94.64.15.95.0

Contract With Customer Liability Current

us-gaap:ContractWithCustomerLiabilityCurrent

us-gaap:ContractWithCustomerLiabilityCurrent


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value8989898989913.3033.3033.3033.9853.3033.316
Percentage of ContractWithCustomerLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.23.23.03.23.13.10.20.20.20.20.20.3

Liabilities Current

us-gaap:LiabilitiesCurrent

us-gaap:LiabilitiesCurrent


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value42536441637835430626421516213717311410491887065747564665562373833362229373551921037855172920263645
Percentage of LiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets15.413.213.913.612.310.414.512.79.37.010.69.78.47.06.88.814.714.617.813.332.825.922.820.416.814.012.57.18.713.712.316.850.353.638.5104.040.764.137.943.449.399.7

Operating Lease Liability Current

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OperatingLeaseLiabilityCurrent


Operating
Period End2020-12-31
Value20
Percentage of OperatingLeaseLiabilityCurrent100.0
Percentage of Assets0.7

Other Accrued Liabilities Current

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:OtherAccruedLiabilitiesCurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value4346000.03946000.04472000.04783000.05352000.08214000.07008000.02637000.03402000.03587000.02470000.0444000.01408000.02856000.02484000.02917000.03848000.04035000.03577000.01165000.02549000.0722000.01433000.01300000.0735000.0693000.0440000.0784000.0730000.0800000.01276000.0
Percentage of OtherAccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.20.10.10.20.20.30.40.20.20.20.20.00.10.20.20.40.90.80.80.21.20.30.50.70.30.30.10.20.20.30.4

Other Liabilities Current

us-gaap:OtherLiabilitiesCurrent

us-gaap:OtherLiabilitiesCurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value181822151412118.9447.4136.7622.4631.9952.0114.7231.3921.3661.341.3771.3051.31.3241.3031.2751.2831.3721.2561.1851.0611.0311.0870.8880.0150.0150.0150.0270.0850.1070.1140.1260.1050.0850.035
Percentage of OtherLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.70.70.70.60.50.40.60.50.40.30.10.20.20.40.10.20.30.30.30.30.60.60.50.70.60.50.40.30.30.40.30.00.00.00.00.20.30.20.20.20.10.1

Long Term Debt

us-gaap:LongTermDebt us-gaap:DebtInstrument

us-gaap:LongTermDebt

srpt:TwoThousandAndNineteenTermLoan


Long
Period End2021-06-302021-03-312020-12-312019-12-31
Value530529527240
Percentage of LongTermDebt100.0100.0100.0100.0
Percentage of Assets19.219.117.713.2
Percentage of Assets srpt:TwoThousandAndNineteenTermLoan0.00.00.00.0

srpt:TwoThousandAndTwentyFourSeniorConvertibleNotes


Long
Period End2021-06-302021-03-312020-12-312019-12-312018-12-31
Value562562464441420
Percentage of LongTermDebt106.1106.288.1184.10.0
Percentage of Assets20.420.315.624.225.6
Percentage of Assets srpt:TwoThousandAndTwentyFourSeniorConvertibleNotes0.00.00.00.00.0

us-gaap:LongTermDebt us-gaap:DebtInstrument, us-gaap:InvestmentType, us-gaap:LongtermDebtType

srpt:BiopharmaCreditPLCAndBiopharmaCreditInvestmentsVMasterLP, srpt:TrancheBTermLoan, srpt:DecemberTwoThousandNineteenTermLoan


Long
Period End2020-11-02
Value300
Percentage of LongTermDebt0.0
Percentage of Assets0.0
Percentage of Assets srpt:BiopharmaCreditPLCAndBiopharmaCreditInvestmentsVMasterLP srpt:TrancheBTermLoan srpt:DecemberTwoThousandNineteenTermLoan0.0

Other Liabilities Noncurrent

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OtherLiabilitiesNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-312014-06-302014-03-312013-12-312012-12-31
Value2020195.0481010105.2485.2480.0481513134.9625.5396.1056.4075.4195.9495.2625.5675.8696.1726.4516.726.7756.4597.1186.8350.76
Percentage of OtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.70.80.70.20.40.30.60.30.30.00.91.11.10.40.40.81.41.11.41.12.72.82.33.52.92.31.92.62.30.4

Operating Lease Liability Noncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value656080687265474950
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.42.22.72.52.52.22.62.92.9

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2020-12-31
Value25
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0
Percentage of Assets0.9

Lessee Operating Lease Liability Payments Due Year Three

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree


Lessee
Period End2020-12-31
Value25
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0
Percentage of Assets0.9

Lessee Operating Lease Liability Payments Due Year Four

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour


Lessee
Period End2020-12-31
Value25
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0
Percentage of Assets0.9

Lessee Operating Lease Liability Payments Due Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive


Lessee
Period End2020-12-31
Value10
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive100.0
Percentage of Assets0.4

Lessee Operating Lease Liability Payments Due After Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive


Lessee
Period End2020-12-31
Value4131000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive100.0
Percentage of Assets0.1

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312019-01-01
Value1015557575860
Percentage of OperatingLeaseLiability100.0100.0100.0100.0100.0100.0
Percentage of Assets3.43.13.43.33.00.0

us-gaap:OperatingLeaseLiability us-gaap:CounterpartyName, us-gaap:TypeOfArrangement

srpt:CatalentIncAndThermoFisherScientificInc, srpt:ManufacturingCollaborationAgreementAndThermoAgreement


Operating
Period End2020-09-30
Value32
Percentage of OperatingLeaseLiability0.0
Percentage of Assets1.2
Percentage of Assets srpt:CatalentIncAndThermoFisherScientificInc srpt:ManufacturingCollaborationAgreementAndThermoAgreement0.0

srpt:ThermoFisherScientificInc, srpt:ThermoAgreement


Operating
Period End2021-06-30
Value8.8
Percentage of OperatingLeaseLiability0.0
Percentage of Assets0.3
Percentage of Assets srpt:ThermoFisherScientificInc srpt:ThermoAgreement0.0

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2020-12-31
Value119
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0
Percentage of Assets4.0

Lessee Operating Lease Liability Undiscounted Excess Amount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount


Lessee
Period End2020-12-31
Value18
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0
Percentage of Assets0.6

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value485535761892104211448189951099134810326396997767896973774293364081211381901231652002472862992282472468887123-4.5662214313135-2.817
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets17.619.425.532.136.238.844.958.562.968.762.954.156.159.760.387.183.983.979.483.959.565.169.566.771.482.783.989.788.983.184.881.148.445.160.3-8.653.430.157.152.046.9-6.1

us-gaap:StockholdersEquity us-gaap:CumulativeEffectPeriodOfAdoption

srt:CumulativeEffectPeriodOfAdoptionAdjustment


Stockholders
Period End2020-12-31
Value-96.792
Percentage of StockholdersEquity-12.7
Percentage of Assets-3.2
Percentage of Assets srt:CumulativeEffectPeriodOfAdoptionAdjustment0.0

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

srt:CumulativeEffectPeriodOfAdoptionAdjustment, us-gaap:AdditionalPaidInCapital


Stockholders
Period End2020-12-31
Value-156.953
Percentage of StockholdersEquity-20.6
Percentage of Assets-5.3
Percentage of Assets srt:CumulativeEffectPeriodOfAdoptionAdjustment us-gaap:AdditionalPaidInCapital0.0

srt:CumulativeEffectPeriodOfAdoptionAdjustment, us-gaap:RetainedEarnings


Stockholders
Period End2020-12-31
Value60
Percentage of StockholdersEquity7.9
Percentage of Assets2.0
Percentage of Assets srt:CumulativeEffectPeriodOfAdoptionAdjustment us-gaap:RetainedEarnings0.0

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-31
Value0.002-0.0030.003-0.0060.0060.6240.050.0750.0820.019-0.0990.008-0.361-0.643-0.379-0.12-0.111-0.095
Percentage of StockholdersEquity0.0-0.00.0-0.00.00.10.00.00.00.0-0.00.0-0.1-0.1-0.0-0.0-0.1-0.0
Percentage of Assets0.0-0.00.0-0.00.00.00.00.00.00.0-0.00.0-0.0-0.0-0.0-0.0-0.0-0.0
Percentage of Assets us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-31
Value35213490360935503505345531123053303130042611207720612029200615031089926
Percentage of StockholdersEquity726.0651.9473.9398.1336.1301.9380.4306.8275.8222.8253.0324.7294.8261.3254.3446.4572.4374.2
Percentage of Assets127.6126.2120.9127.7121.6117.2170.7179.4173.4153.0159.0175.7165.3156.1153.4354.4397.9314.1
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-31
Value0.0080.0080.0080.0080.0080.0080.0080.0070.0070.0070.0070.0070.0070.0070.0060.0050.0050.004
Percentage of StockholdersEquity0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-31
Value-3036.623-2955.218-2848.129-2658.812-2462.313-2311.493-2294.001-2058.298-1931.972-1655.569-1578.926-1438.031-1361.638-1252.371-1217.008-1166.32-899.055-679.025
Percentage of StockholdersEquity-626.0-551.9-373.9-298.1-236.1-201.9-280.4-206.8-175.8-122.8-153.0-224.7-194.8-161.2-154.2-346.4-472.3-274.2
Percentage of Assets-110.1-106.9-95.4-95.6-85.4-78.4-125.8-120.9-110.5-84.3-96.2-121.6-109.2-96.3-93.0-275.0-328.4-230.2
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312020-02-292019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value0.0080.0080.0080.0080.0080.0083120.0080.0070.0070.0070.0070.0070.0070.0070.0060.0060.0060.0050.0050.0050.0050.0050.0050.0040.0040.0040.0040.0040.0040.0040.0040.0040.0030.0030.0030.0020.0020.0130.0130.0130.0140.011
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Additional Paid In Capital Common Stock

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:AdditionalPaidInCapitalCommonStock


Additional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-31
Value35213490360935503505345531123053303130042611207720612029200618901523151115031486114210971089957926
Percentage of AdditionalPaidInCapitalCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets127.6126.2120.9127.7121.6117.2170.7179.4173.4153.0159.0175.7165.3156.1153.4236.2338.4295.5354.4305.0559.9514.5397.9518.3314.1

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value-3036600000.0-2955200000.0-2848100000.0-2658800000.0-2462300000.0-2311500000.0-2294000000.0-2058300000.0-1932000000.0-1655600000.0-1578900000.0-1438000000.0-1361600000.0-1252400000.0-1217000000.0-1193000000.0-1145300000.0-1082200000.0-1166300000.0-1077900000.0-1021100000.0-958820000.0-899060000.0-834370000.0-782440000.0-740580000.0-679020000.0-634610000.0-605380000.0-543240000.0
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-110.1-106.9-95.4-95.6-85.4-78.4-125.8-120.9-110.5-84.3-96.2-121.6-109.2-96.3-93.0-149.1-254.4-211.6-275.0-221.2-500.4-449.4-328.4-451.6-337.7-305.1-230.2-198.9-179.5-186.3

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value2000.0-3000.03000.0-6000.06000.0624000.050000.075000.082000.019000.0-99000.08000.0-361000.0-643000.0-379000.0-12000.0-38000.0-55000.0-120000.01000.0-5000.0-111000.0-1000.0-19000.0-17000.0-95000.0-55000.0-35000.00
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets0.0-0.00.0-0.00.00.00.00.00.00.0-0.00.0-0.0-0.0-0.0-0.0-0.0-0.0-0.00.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-109.146-180.371-174.535-238.186-107.603627-163.795-67.431-79.004-146.233-122.42-113.318-117.254-35.668-31.058-57.903-17.822-19.878-12.002-14.993-7.158-7.805-5.682-9.049-5.648-7.523-0.442-10.066-1.888-2.773
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer-490.5-819.7-775.9-1058.8-413.64746.60.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value321156-123.89154-34.225-17.6817-17.959152135-237.736-63.4-55.092-14.26-493.695124-0.822-1.677-1.453-7.72-0.423-0.081-0.379-0.262-0.784-0.32-0.865-0.336-0.507-0.489
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer1443.0712.0-550.8240.4-131.5-133.70.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value3.5262.89332618173192561.7336.292377521-23.955257.4715063821.9651391.7212.97115721-0.021-0.02-0.020.011320.0960.0172.487
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer15.813.11453.483.567.52412.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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
Value215-20.81228-165.322-124.253929110-83.65779366161-200.673-146.995-42.457-17.94449
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer968.3-94.6126.7-734.9-477.57025.00.00.00.00.00.00.00.00.00.00.0

Depreciation Depletion And Amortization

us-gaap:DepreciationDepletionAndAmortization

us-gaap:DepreciationDepletionAndAmortization


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value8.4478.937.2886.6196.4756.5298.2068.2777.6946.373.5273.5932.8732.2522.1242.5591.7721.6371.6641.0741.4761.3971.3641.3121.2911.281.1581.0490.960.5230.2790.2870.260.4510.4350.3750.3620.3530.5370.2730.2510.2390.410.355
Percentage of DepreciationDepletionAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Accounts Receivable

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:IncreaseDecreaseInAccountsReceivable


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312013-12-31
Value9.31716-20.48717-2.8471522116.4711.4660.4435.6163.137104.7176.965.5137.051.2420.004-0.0080.0131.244-0.946-3.192
Percentage of IncreaseDecreaseInAccountsReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Inventories

us-gaap:IncreaseDecreaseInInventories

us-gaap:IncreaseDecreaseInInventories


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value288.37211406.4821.7895.0199.79116159.629114.75115182211179.892
Percentage of IncreaseDecreaseInInventories100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-109.146-180.371-174.535-238.186-107.603627-163.795-67.431-79.004-146.233-122.42-113.318-117.254-35.668-31.058-57.903-17.822-19.878-12.002-14.993-7.158-7.805-5.682-9.049-5.648-7.523-0.442-10.066-1.888-2.773
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer-490.5-819.7-775.9-1058.8-413.64746.60.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value-81.405-167.25-189.317-196.499-150.82-17.492-235.703-126.326-276.403-76.643-140.895-76.393-109.267-35.363-23.998-47.734-63.04684-88.452-56.742-62.301-59.77-64.681-51.939-41.851-61.559-44.416-29.226-33.874-28.273-8.82-42.03-19.051-42.084-62.067-49.5548.038-17.704-1.41-4.021.2791.833-7.644-7.293-16.656
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer-365.9-760.1-841.6-873.5-579.7-132.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NetIncomeLoss us-gaap:AdjustmentsForNewAccountingPronouncements

srpt:AccountingStandardsUpdate202006


Net
Period End2021-06-302021-01-02
Value5.55.4
Percentage of NetIncomeLoss-6.80.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer24.70.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer srpt:AccountingStandardsUpdate2020060.00.0

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-81.405-167.25-196.499-150.82-17.492-126.326-276.403-76.643-76.393-109.267-35.363
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer-365.9-760.1-873.5-579.7-132.30.00.00.00.00.00.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.0

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-81.405-167.25-189.317-196.499-150.82-17.492-235.703-126.326-276.403-76.643-140.895-76.393-109.267-35.363-23.998-47.734
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer-365.9-760.1-841.6-873.5-579.7-132.30.00.00.00.00.00.00.00.00.00.0

Share Based Compensation

us-gaap:ShareBasedCompensation

us-gaap:ShareBasedCompensation


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value28282926272422201916121115107.3666.922105.7126.8699.4286.836.8356.3485.6835.93145.7674.6495.5874.3423.6513.4872.3181.6711.2380.6920.440.7080.6750.5920.7171.1450.6290.509
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value321156-123.89154-34.225-17.6817-17.959152135-237.736-63.4-55.092-14.26-493.695124-0.822-1.677-1.453-7.72-0.423-0.081-0.379-0.262-0.784-0.32-0.865-0.336-0.507-0.489
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer1443.0712.0-550.8240.4-131.5-133.70.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Payments To Acquire Property Plant And Equipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value5.894212825199.12179.429161620208.697123.8990.7652.8714.4652.9140.840.4191.1681.0851.1470.6370.5323.139124.5155.3260.6081.3270.4260.0090.0-0.0350.1340.0090.2050.2970.4490.2270.2040.288
Percentage of PaymentsToAcquirePropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value3.5262.89332618173192561.7336.292377521-23.955257.4715063821.9651391.7212.97115721-0.021-0.02-0.020.011320.0960.0172.487
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer15.813.11453.483.567.52412.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-07-032013-06-302013-03-312012-12-312012-09-302012-06-302011-12-312010-12-312009-12-31
Value70.6161.0146.0929.7422.723.9124.4524.6724.5624.2723.4623.3721.8221.8213.3511.7610.6511.0111.1812.8416.74
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Unrecognized Tax Benefits

us-gaap:UnrecognizedTaxBenefits

us-gaap:UnrecognizedTaxBenefits


Unrecognized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value4841375.1344.6443.706
Percentage of UnrecognizedTaxBenefits100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Valuation Allowance

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:DeferredTaxAssetsValuationAllowance


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value605488369204274219165133114116
Percentage of DeferredTaxAssetsValuationAllowance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srpt:AccretionAmortizationOfDiscountsAndPremiumsShortTermInvestments

srpt:AccretionAmortizationOfDiscountsAndPremiumsShortTermInvestments


Accretion
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value19000.082000.080000.0178000.0644000.01284000.0996000.01649000.02324000.03476000.02930000.01914000.01569000.01259000.0544000.0
Percentage of AccretionAmortizationOfDiscountsAndPremiumsShortTermInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srpt:AmortizationOfDiscountsPremiumsInvestmentsCashEquivalentAndShortTermInvestment

srpt:AmortizationOfDiscountsPremiumsInvestmentsCashEquivalentAndShortTermInvestment


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.0210.1360.2130.3130.9992.9642.3484.0894.5814.3323.452.2951.5691.259
Percentage of AmortizationOfDiscountsPremiumsInvestmentsCashEquivalentAndShortTermInvestment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srpt:CostOfGoodsSoldExcludingAmortization

srpt:CostOfGoodsSoldExcludingAmortization


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value19222215131215131512138.7416.7355.5823.5463.0780.5050.2240.101
Percentage of CostOfGoodsSoldExcludingAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srpt:DerecognitionOfLeaseLiabilities us-gaap:IncomeStatementLocation

srpt:DerecognitionOfLeaseLiabilities

us-gaap:ResearchAndDevelopmentExpense


Derecognition
Period End2021-03-31
Value20
Percentage of DerecognitionOfLeaseLiabilities100.0

srpt:DerecognitionOfRightOfUseAsset us-gaap:IncomeStatementLocation

srpt:DerecognitionOfRightOfUseAsset

us-gaap:ResearchAndDevelopmentExpense


Derecognition
Period End2021-03-31
Value22
Percentage of DerecognitionOfRightOfUseAsset100.0

srpt:DevelopmentMilestoneAndSettlementUpfrontFeeRecognizedAsResearchAndDevelopmentExpense us-gaap:TypeOfArrangement

srpt:DevelopmentMilestoneAndSettlementUpfrontFeeRecognizedAsResearchAndDevelopmentExpense

us-gaap:CollaborativeArrangement


Development
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value31141015128.58710141.1
Percentage of DevelopmentMilestoneAndSettlementUpfrontFeeRecognizedAsResearchAndDevelopmentExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srpt:IncreaseDecreaseInAccountsPayableAndAccruedExpensesAndOtherLiabilities

srpt:IncreaseDecreaseInAccountsPayableAndAccruedExpensesAndOtherLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value51-44.962332046-57.7184354241.451
Percentage of IncreaseDecreaseInAccountsPayableAndAccruedExpensesAndOtherLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srpt:IncreaseDecreaseInAccumulatedDeficit us-gaap:AdjustmentsForNewAccountingPronouncements

srpt:IncreaseDecreaseInAccumulatedDeficit

srpt:AccountingStandardsUpdate202006


Increase
Period End2021-01-02
Value-60200000.0
Percentage of IncreaseDecreaseInAccumulatedDeficit100.0

srpt:IncreaseDecreaseInAccumulatedDeficit us-gaap:AdjustmentsForNewAccountingPronouncements, us-gaap:DebtInstrument

srpt:AccountingStandardsUpdate202006, srpt:TwoThousandAndTwentyFourSeniorConvertibleNotes


Increase
Period End2021-01-02
Value-60200000.0
Percentage of IncreaseDecreaseInAccumulatedDeficit100.0

srpt:IncreaseDecreaseInAccumulatedDeficit us-gaap:AdjustmentsForNewAccountingPronouncements, us-gaap:SubsequentEventType

srpt:AccountingStandardsUpdate202006, us-gaap:SubsequentEvent


Increase
Period End2021-01-01
Value-60200000.0
Percentage of IncreaseDecreaseInAccumulatedDeficit0.0

srpt:IncreaseDecreaseInAdditionalPaidInCapital us-gaap:AdjustmentsForNewAccountingPronouncements

srpt:IncreaseDecreaseInAdditionalPaidInCapital

srpt:AccountingStandardsUpdate202006


Increase
Period End2021-01-02
Value-157000000.0
Percentage of IncreaseDecreaseInAdditionalPaidInCapital100.0

srpt:IncreaseDecreaseInAdditionalPaidInCapital us-gaap:AdjustmentsForNewAccountingPronouncements, us-gaap:DebtInstrument

srpt:AccountingStandardsUpdate202006, srpt:TwoThousandAndTwentyFourSeniorConvertibleNotes


Increase
Period End2021-01-02
Value-157000000.0
Percentage of IncreaseDecreaseInAdditionalPaidInCapital100.0

srpt:IncreaseDecreaseInAdditionalPaidInCapital us-gaap:AdjustmentsForNewAccountingPronouncements, us-gaap:SubsequentEventType

srpt:AccountingStandardsUpdate202006, us-gaap:SubsequentEvent


Increase
Period End2021-01-01
Value-157000000.0
Percentage of IncreaseDecreaseInAdditionalPaidInCapital0.0

srpt:IncreaseDecreaseInConvertibleNotes us-gaap:AdjustmentsForNewAccountingPronouncements

srpt:IncreaseDecreaseInConvertibleNotes

srpt:AccountingStandardsUpdate202006


Increase
Period End2021-01-02
Value96
Percentage of IncreaseDecreaseInConvertibleNotes100.0

srpt:IncreaseDecreaseInConvertibleNotes us-gaap:AdjustmentsForNewAccountingPronouncements, us-gaap:DebtInstrument

srpt:AccountingStandardsUpdate202006, srpt:TwoThousandAndTwentyFourSeniorConvertibleNotes


Increase
Period End2021-01-02
Value96
Percentage of IncreaseDecreaseInConvertibleNotes100.0

srpt:IncreaseDecreaseInConvertibleNotes us-gaap:AdjustmentsForNewAccountingPronouncements, us-gaap:SubsequentEventType

srpt:AccountingStandardsUpdate202006, us-gaap:SubsequentEvent


Increase
Period End2021-01-01
Value96
Percentage of IncreaseDecreaseInConvertibleNotes0.0

srpt:LeaseLiabilitiesTerminated

srpt:LeaseLiabilitiesTerminated


Lease
Period End2021-06-302021-03-31
Value0.019
Percentage of LeaseLiabilitiesTerminated0.0100.0

srpt:MilestonePaymentToBePaidByCompanyUponSpecifiedResearchMilestoneAchievement us-gaap:Range, us-gaap:TypeOfArrangement

srpt:MilestonePaymentToBePaidByCompanyUponSpecifiedResearchMilestoneAchievement

srt:Maximum, us-gaap:CollaborativeArrangement


Milestone
Period End2021-06-302021-03-312020-09-30
Value-3.01414
Percentage of MilestonePaymentToBePaidByCompanyUponSpecifiedResearchMilestoneAchievement100.0100.0100.0

srpt:NoncashInterestExpense

srpt:NoncashInterestExpense


Noncash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value1.8751.8166.9226.3155.8756.3425.5575.3745.3055.2084.9845.2485.0184.942.4790.0830.0350.082
Percentage of NoncashInterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srpt:OtherInvestingActivity

srpt:OtherInvestingActivity


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1047000.02196000.0904000.0669000.0735000.01192000.01034000.0594000.0599000.0855000.0
Percentage of OtherInvestingActivity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srpt:PaymentForOptionExercise us-gaap:TypeOfArrangement

srpt:PaymentForOptionExercise

us-gaap:CollaborativeArrangement


Payment
Period End2021-06-302021-03-312020-09-302020-06-30
Value0.0237135129
Percentage of PaymentForOptionExercise0.0100.0100.0100.0

srpt:PaymentsCreditsReservesForDiscountsAndAllowances

srpt:PaymentsCreditsReservesForDiscountsAndAllowances


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value2717201721187.1191413118.6528.7096.8444.4862.9612.7691.5430.322
Percentage of PaymentsCreditsReservesForDiscountsAndAllowances100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srpt:PaymentsCreditsReservesForDiscountsAndAllowances us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType

srpt:Chargebacks


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value2.9183.9691.3082.2722.0912.3362.653.1261.6633.0492.3992.883.7062.9162.1312.1571.0210.152
Percentage of PaymentsCreditsReservesForDiscountsAndAllowances10.623.26.312.99.512.537.221.712.427.627.733.154.165.072.077.966.247.2

srpt:OtherAccruals


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312017-12-312017-09-302017-06-302017-03-31
Value4.6172.6192.1831.9751.6964.0231.3153.1210.8392.0150.3040.3050.2050.082
Percentage of PaymentsCreditsReservesForDiscountsAndAllowances16.815.310.511.27.721.618.521.76.218.210.311.013.325.5

srpt:PromptPay


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
Value2.1011.4321.5931.5521.5051.2910.921.11.1180.7910.7290.6090.4820.4350.248
Percentage of PaymentsCreditsReservesForDiscountsAndAllowances7.68.47.78.86.96.912.97.68.37.28.47.07.09.78.4

srpt:Rebates


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value179.108151116102.2347.0519.8115.1914.6244.5010.9890.9890.2780.2550.3170.088
Percentage of PaymentsCreditsReservesForDiscountsAndAllowances65.053.275.567.275.958.931.449.073.047.053.451.714.522.09.49.220.527.3

srpt:ProceedsFromSaleOfRarePediatricDiseasePriorityReviewVoucherNetOfCommission us-gaap:CounterpartyName

srpt:ProceedsFromSaleOfRarePediatricDiseasePriorityReviewVoucherNetOfCommission

srpt:FDA


Proceeds
Period End2021-06-302021-03-312020-12-312020-03-31
Value6.11020.0108
Percentage of ProceedsFromSaleOfRarePediatricDiseasePriorityReviewVoucherNetOfCommission100.0100.00.0100.0

srpt:ProvisionForReservesForDiscountsAndAllowances

srpt:ProvisionForReservesForDiscountsAndAllowances


Provision
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value272219211917182016131413119.9786.9965.2162.6680.996
Percentage of ProvisionForReservesForDiscountsAndAllowances100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srpt:ProvisionForReservesForDiscountsAndAllowances us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType

srpt:Chargebacks


Provision
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value3.582.0852.5632.6572.0452.4352.4072.4172.3082.5662.9762.8183.72.792.6952.3471.1570.256
Percentage of ProvisionForReservesForDiscountsAndAllowances12.99.512.912.610.513.513.311.814.118.321.221.132.928.038.545.043.425.7

srpt:OtherAccruals


Provision
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312017-12-312017-09-302017-06-302017-03-31
Value3.6573.1912.1293.6972.2462.1031.9145.4961.1691.0640.5210.4220.2180.132
Percentage of ProvisionForReservesForDiscountsAndAllowances13.214.510.717.511.511.710.626.87.17.67.48.18.213.3

srpt:PromptPay


Provision
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value2.1611.8441.7851.6471.5791.3731.3561.3011.3040.9360.820.710.5990.4950.391
Percentage of ProvisionForReservesForDiscountsAndAllowances7.88.49.07.88.17.67.56.38.06.75.95.35.35.05.6

srpt:Rebates


Provision
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value1814131313121211119.4299.1228.126.0195.1593.3892.3691.2930.608
Percentage of ProvisionForReservesForDiscountsAndAllowances66.167.767.462.169.867.268.755.170.867.465.160.753.551.748.445.448.561.0

srpt:RecognitionOfLoss us-gaap:IncomeStatementLocation

srpt:RecognitionOfLoss

us-gaap:ResearchAndDevelopmentExpense


Recognition
Period End2021-03-31
Value2800000.0
Percentage of RecognitionOfLoss100.0

srpt:ReductionInTheCarryingAmountsOfTheRightOfUseAssets

srpt:ReductionInTheCarryingAmountsOfTheRightOfUseAssets


Reduction
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value3.8032.224.0793.363.2362.1531.5591.5371.461.491
Percentage of ReductionInTheCarryingAmountsOfTheRightOfUseAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srpt:RestrictedStockUnitsVested us-gaap:StatementEquityComponents

srpt:RestrictedStockUnitsVested

us-gaap:CommonStock


Restricted
Period End2020-09-302020-06-302020-03-31
Value20000.025000.098000.0
Percentage of RestrictedStockUnitsVested100.0100.0100.0

srpt:SettlementAndLicenseCharges

srpt:SettlementAndLicenseCharges


Settlement
Period End2021-06-302021-03-312019-12-312017-12-312017-09-302017-06-30
Value0.010.010.00.0252.839
Percentage of SettlementAndLicenseCharges0.0100.0100.00.0100.0100.0

srpt:SublicensePayment us-gaap:CounterpartyName, us-gaap:IncomeStatementLocation, us-gaap:TypeOfArrangement

srpt:SublicensePayment

srpt:NationwideChildrenHospital, us-gaap:ResearchAndDevelopmentExpense, srpt:NationwideLicenseAgreement


Sublicense
Period End2021-06-30
Value28
Percentage of SublicensePayment100.0

srpt:SublicensePayment us-gaap:CounterpartyName, us-gaap:SubsequentEventType, us-gaap:TypeOfArrangement

srpt:NationwideChildrenHospital, us-gaap:SubsequentEvent, srpt:NationwideLicenseAgreement


Sublicense
Period End2021-07-31
Value38
Percentage of SublicensePayment0.0

srpt:TaxesPaidRelatedToNetShareSettlementOfEquityAwards

srpt:TaxesPaidRelatedToNetShareSettlementOfEquityAwards


Taxes
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value06333000.00004798000.003448000.0
Percentage of TaxesPaidRelatedToNetShareSettlementOfEquityAwards0.0100.00.00.00.0100.00.0100.0

srpt:UpfrontPayment us-gaap:IncomeStatementLocation, us-gaap:TypeOfArrangement

srpt:UpfrontPayment

us-gaap:ResearchAndDevelopmentExpense, us-gaap:CollaborativeArrangement


Upfront
Period End2020-09-30
Value1.1
Percentage of UpfrontPayment100.0

us-gaap:AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation


Adjustments
Period End2021-06-302019-09-302019-03-312018-09-302018-06-30
Value1432000.03448000.0889000.03303000.05750000.0
Percentage of AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation100.0100.0100.0100.0100.0

us-gaap:AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-06-302019-09-302019-03-312018-09-302018-06-30
Value1432000.03448000.0889000.03303000.05750000.0
Percentage of AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation100.0100.0100.0100.0100.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition

us-gaap:AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value2828262724201916111510
Percentage of AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value2828262724201916111510
Percentage of AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesTransfersToTradingGrossGains

us-gaap:AvailableForSaleSecuritiesTransfersToTradingGrossGains


Available
Period End2020-12-312020-03-31
Value0.0108
Percentage of AvailableForSaleSecuritiesTransfersToTradingGrossGains0.0100.0

us-gaap:BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1

us-gaap:BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1


Business
Period End2020-09-30
Value300000.0
Percentage of BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1100.0

us-gaap:BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1 us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel3


Business
Period End2020-12-31
Value300000.0
Percentage of BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability10.0

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

us-gaap:ConcentrationRiskPercentage1

us-gaap:AccountsReceivable, srpt:CustomerOne


Concentration
Period End2021-03-312020-03-312019-03-312018-03-312017-03-31
Value49.00.490.570.60.61
Percentage of ConcentrationRiskPercentage1100.0100.0100.0100.0100.0

us-gaap:AccountsReceivable, srpt:CustomerThree


Concentration
Period End2021-03-312020-03-312019-03-312018-03-312017-03-31
Value7.00.110.080.090.17
Percentage of ConcentrationRiskPercentage114.322.414.015.027.9

us-gaap:AccountsReceivable, srpt:CustomerTwo


Concentration
Period End2021-03-312020-03-312019-03-312018-03-312017-03-31
Value40.00.370.260.220.22
Percentage of ConcentrationRiskPercentage181.675.545.636.736.1

us-gaap:SalesRevenueProductLine, srpt:CustomerOne


Concentration
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-03-31
Value46.049.047.00.50.440.430.430.410.410.440.440.6
Percentage of ConcentrationRiskPercentage10.0100.00.00.089.80.00.071.90.00.073.398.4

us-gaap:SalesRevenueProductLine, srpt:CustomerThree


Concentration
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-03-31
Value11.07.010.00.10.120.110.120.150.170.20.180.17
Percentage of ConcentrationRiskPercentage10.014.30.00.024.50.00.026.30.00.030.027.9

us-gaap:SalesRevenueProductLine, srpt:CustomerTwo


Concentration
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-03-31
Value40.040.038.00.390.40.40.430.40.390.350.340.23
Percentage of ConcentrationRiskPercentage10.081.60.00.081.60.00.070.20.00.056.737.7

us-gaap:GainLossOnDispositionOfIntangibleAssets

us-gaap:GainLossOnDispositionOfIntangibleAssets


Gain
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312017-12-312017-09-302017-06-302017-03-31
Value1020.00.00.01080.00.00.0125
Percentage of GainLossOnDispositionOfIntangibleAssets100.00.00.00.0100.00.00.00.0100.0

us-gaap:IncreaseDecreaseInDeferredRevenue

us-gaap:IncreaseDecreaseInDeferredRevenue


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-03-31
Value-22.25-22.005-22.494-22.561-25.9538200.682
Percentage of IncreaseDecreaseInDeferredRevenue100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherOperatingAssets

us-gaap:IncreaseDecreaseInOtherOperatingAssets


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value-38.755-34.915526916277.3817.0028.14479525434-4.6728.035-1.96610-0.7740.8097.809-2.7863.18-5.286-1.268-1.282-7.4134.8459.907136.018-0.129
Percentage of IncreaseDecreaseInOtherOperatingAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentIncomeInterest

us-gaap:InvestmentIncomeInterest


Investment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value52000.059000.071000.0122000.0638000.02139000.01480000.01293000.02104000.02361000.01574000.01477000.01887000.01872000.0996000.0438000.0189000.0186000.0
Percentage of InvestmentIncomeInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LiabilitiesFairValueAdjustment

us-gaap:LiabilitiesFairValueAdjustment


Liabilities
Period End2020-09-30
Value45
Percentage of LiabilitiesFairValueAdjustment100.0

us-gaap:LiabilitiesFairValueAdjustment us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel3


Liabilities
Period End2020-12-31
Value0.0
Percentage of LiabilitiesFairValueAdjustment0.0

us-gaap:LineOfCreditFacilityCommitmentFeePercentage us-gaap:DebtInstrument, us-gaap:InvestmentType, us-gaap:LongtermDebtType

us-gaap:LineOfCreditFacilityCommitmentFeePercentage

srpt:BiopharmaCreditPLCAndBiopharmaCreditInvestmentsVMasterLP, srpt:TranchB, srpt:DecemberTwoThousandNineteenTermLoan


Line
Period End2020-11-302019-12-13
Value2.950.0175
Percentage of LineOfCreditFacilityCommitmentFeePercentage100.0100.0

us-gaap:LossContingencyLossInPeriod

us-gaap:LossContingencyLossInPeriod


Loss
Period End2020-12-312020-09-30
Value0.045
Percentage of LossContingencyLossInPeriod0.0100.0

us-gaap:NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1

us-gaap:NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1


Noncash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-03-312016-03-312015-12-312015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value2031000.05729000.0-3141000.0-740000.02878000.06154000.0-936000.0-785000.024000.02878000.02906000.02226000.0-2691000.02980000.02140000.0330000.019000.0107000.045000.0-888000.0743000.0-3111000.03533000.03964000.00
Percentage of NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:OperatingLeaseCost us-gaap:CounterpartyName, us-gaap:TypeOfArrangement

us-gaap:OperatingLeaseCost

srpt:CatalentIncAndThermoFisherScientificInc, srpt:ManufacturingCollaborationAgreementAndThermoAgreement


Operating
Period End2020-09-302020-06-30
Value2.22.0
Percentage of OperatingLeaseCost100.0100.0

us-gaap:OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest

us-gaap:OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value5000.0-6000.0-12000.0-618000.0574000.0-7000.063000.0118000.0369000.0282000.0-264000.0
Percentage of OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value5000.0-6000.0-12000.0-618000.0574000.0-7000.063000.0118000.0369000.0282000.0-264000.0
Percentage of OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302012-12-312012-09-302012-06-302011-12-312011-09-302011-06-30
Value0.005-0.0060.009-0.012-0.6180.574-0.025-0.0070.0630.118-0.1070.3690.282-0.264-0.3670.0260.0170.065-0.12-0.0010.0060.106-0.110.018-0.0020.078-0.04-0.0210.024-0.0590.00.0260.00.00.00.00.0
Percentage of OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.00.00.00.00.00.0

us-gaap:OtherNoncashIncomeExpense

us-gaap:OtherNoncashIncomeExpense


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-1012000.0-2774000.0545000.0-875000.0-581000.01381000.0202000.00-804000.0-88000.0
Percentage of OtherNoncashIncomeExpense100.0100.0100.0100.0100.0100.0100.00.0100.0100.0

us-gaap:OtherNonoperatingExpense

us-gaap:OtherNonoperatingExpense


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value16151714127.424.7732.510.8620.1722.3116.9685.218
Percentage of OtherNonoperatingExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherOperatingIncomeExpenseNet

us-gaap:OtherOperatingIncomeExpenseNet


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-17769000.0-14335000.0-12447000.0-7420000.0-4773000.0-2510000.0-862000.0-172000.0
Percentage of OtherOperatingIncomeExpenseNet100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesDebt

us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesDebt


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.02943514039136520925223649452035520491
Percentage of PaymentsToAcquireAvailableForSaleSecuritiesDebt0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromDebtNetOfIssuanceCosts us-gaap:StatementScenario, us-gaap:DebtInstrument, us-gaap:InvestmentType, us-gaap:LongtermDebtType

us-gaap:ProceedsFromDebtNetOfIssuanceCosts

srt:ScenarioForecast, srpt:BiopharmaCreditPLCAndBiopharmaCreditInvestmentsVMasterLP, srpt:TranchA, srpt:DecemberTwoThousandNineteenTermLoan


Proceeds
Period End2023-12-20
Value5.0
Percentage of ProceedsFromDebtNetOfIssuanceCosts100.0

srt:ScenarioForecast, srpt:BiopharmaCreditPLCAndBiopharmaCreditInvestmentsVMasterLP, srpt:TranchB, srpt:DecemberTwoThousandNineteenTermLoan


Proceeds
Period End2024-12-31
Value6.0
Percentage of ProceedsFromDebtNetOfIssuanceCosts0.0

us-gaap:ProceedsFromIssuanceOfCommonStock us-gaap:BusinessAcquisition

us-gaap:ProceedsFromIssuanceOfCommonStock

srpt:Roche


Proceeds
Period End2020-09-302020-06-302020-03-31
Value0.0-4.285316
Percentage of ProceedsFromIssuanceOfCommonStock0.0100.0100.0

us-gaap:ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities

us-gaap:ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value226210341221376250244245579646303313159900.01328380-0.00111
Percentage of ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleOfIntangibleAssets

us-gaap:ProceedsFromSaleOfIntangibleAssets


Proceeds
Period End2020-12-312020-09-302020-06-302020-03-31
Value0.00.00.0108
Percentage of ProceedsFromSaleOfIntangibleAssets0.00.00.0100.0

us-gaap:ProceedsFromStockOptionsExercised

us-gaap:ProceedsFromStockOptionsExercised


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value3.5269.2263518217.482125.1817.092127.191
Percentage of ProceedsFromStockOptionsExercised100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer

us-gaap:RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value222222222613
Percentage of RevenueFromCollaborativeArrangementExcludingRevenueFromContractWithCustomer100.0100.0100.0100.0100.0100.0

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability


Right
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value9.6810.901210.0611224
Percentage of RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value75.387.141.07148.63143.84114.28-1.2799.52121.34143.1411.68138.0495.3871.450036.2632.63
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

us-gaap:EmployeeStockOption


Share
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-31
Value39.7949.3573.8873.1656.851.6467.876.4468.3145.4534.0821.0713.6416.337.3815.6111.9224.0515.6910.35
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans

us-gaap:CommonStock


Stock
Period End2020-09-302020-03-312019-09-302019-03-312018-09-302018-03-31
Value46000.056000.044000.048000.041000.034000.0
Percentage of StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised

us-gaap:CommonStock


Stock
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value292000.0449000.097000.0166000.0176000.0382000.0323000.0872000.0653000.0
Percentage of StockIssuedDuringPeriodSharesStockOptionsExercised100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueEmployeeStockPurchasePlan

us-gaap:StockIssuedDuringPeriodValueEmployeeStockPurchasePlan


Stock
Period End2021-03-312020-09-302020-03-312019-09-302019-03-312018-09-302018-03-31
Value4543000.03670000.03795000.02753000.02326000.01550000.0756000.0
Percentage of StockIssuedDuringPeriodValueEmployeeStockPurchasePlan100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueEmployeeStockPurchasePlan us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-03-312020-09-302020-03-312019-09-302019-03-312018-09-302018-03-31
Value4543000.03670000.03795000.02753000.02326000.01550000.0756000.0
Percentage of StockIssuedDuringPeriodValueEmployeeStockPurchasePlan100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value3.5264.68315213.6872.4287.0929.9737.0942111
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value3.5264.68315213.6872.4287.0929.9737.0942111
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:VariableLeaseCost us-gaap:CounterpartyName, us-gaap:TypeOfArrangement

us-gaap:VariableLeaseCost

srpt:CatalentIncAndThermoFisherScientificInc, srpt:ManufacturingCollaborationAgreementAndThermoAgreement


Variable
Period End2020-09-302020-06-30
Value3.03.6
Percentage of VariableLeaseCost100.0100.0

srpt:AccruedClinicalAndPreclinicalCostsCurrent

srpt:AccruedClinicalAndPreclinicalCostsCurrent


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value252422261920181515121113111015131111109.09412109.5875.9724.8453.471
Percentage of AccruedClinicalAndPreclinicalCostsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srpt:AccruedCollaborationCostSharing

srpt:AccruedCollaborationCostSharing


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value1494000.08962000.03516000.06463000.03918000.04821000.09000000.0541000.0541000.02458000.02167000.0
Percentage of AccruedCollaborationCostSharing100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srpt:AccruedContractManufacturingExpenseCurrent

srpt:AccruedContractManufacturingExpenseCurrent


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value70343642222627151216158.3488.4217.02514135.8865.7364.6737.6053.7555.1614.832.1451.8764.0063.2712.5572.9415.1691.414
Percentage of AccruedContractManufacturingExpenseCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srpt:AccruedMilestoneAndLicenseExpenseCurrent

srpt:AccruedMilestoneAndLicenseExpenseCurrent


Accrued
Period End2021-06-302020-12-31
Value389.38
Percentage of AccruedMilestoneAndLicenseExpenseCurrent100.0100.0

srpt:AccruedMilestoneExpenseCurrent

srpt:AccruedMilestoneExpenseCurrent


Accrued
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value9.3779.389.3889.6438.893180.1520.4921.51724
Percentage of AccruedMilestoneExpenseCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srpt:AccruedProductRevenueRelatedReserveCurrent

srpt:AccruedProductRevenueRelatedReserveCurrent


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
Value49484244434645353029262116127.3024.0951.8640.8750.305
Percentage of AccruedProductRevenueRelatedReserveCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srpt:AccruedPropertyAndEquipmentCurrent

srpt:AccruedPropertyAndEquipmentCurrent


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value1186000.05056000.04993000.08055000.08792000.05887000.01181000.02117000.02902000.02878000.05421000.02515000.0289000.02980000.02525000.01186000.0
Percentage of AccruedPropertyAndEquipmentCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srpt:AvailableForSaleDebtSecuritiesCurrentAccumulatedGrossUnrealizedGainBeforeTax

srpt:AvailableForSaleDebtSecuritiesCurrentAccumulatedGrossUnrealizedGainBeforeTax


Available
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value16000.013000.015000.041000.0584000.035000.054000.063000.020000.09000.0
Percentage of AvailableForSaleDebtSecuritiesCurrentAccumulatedGrossUnrealizedGainBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srpt:AvailableForSaleDebtSecuritiesCurrentAmortizedCostBasis

srpt:AvailableForSaleDebtSecuritiesCurrentAmortizedCostBasis


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value30255435341421406289324294612803479
Percentage of AvailableForSaleDebtSecuritiesCurrentAmortizedCostBasis100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srpt:BusinessCombinationContingentConsiderationLiabilityIncreased us-gaap:CounterpartyName

srpt:BusinessCombinationContingentConsiderationLiabilityIncreased

srpt:MyonexusTherapeuticsInc


Business
Period End2020-12-31
Value49
Percentage of BusinessCombinationContingentConsiderationLiabilityIncreased100.0

srpt:CancellableFutureCommitments us-gaap:CounterpartyName

srpt:CancellableFutureCommitments

srpt:ContractResearchOrganizations


Cancellable
Period End2020-12-31
Value280
Percentage of CancellableFutureCommitments100.0

srpt:CashAndCashEquivalentsAmortizedCostBasis

srpt:CashAndCashEquivalentsAmortizedCostBasis


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value169714811502147416391763835724808732370599
Percentage of CashAndCashEquivalentsAmortizedCostBasis100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srpt:CashAndCashEquivalentsAmortizedCostBasis us-gaap:InvestmentType

srpt:CashDepositsAndMoneyMarketFunds


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value1697137890092311331452315303318437244532
Percentage of CashAndCashEquivalentsAmortizedCostBasis100.093.059.962.669.182.337.841.839.459.865.988.9

srpt:CashAndCashEquivalentsGrossUnrealizedGainBeforeTax

srpt:CashAndCashEquivalentsGrossUnrealizedGainBeforeTax


Cash
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value9000.02000.03000.0287000.036000.024000.034000.011000.03000.02000.0
Percentage of CashAndCashEquivalentsGrossUnrealizedGainBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srpt:CashAndCashEquivalentsGrossUnrealizedLossBeforeTax

srpt:CashAndCashEquivalentsGrossUnrealizedLossBeforeTax


Cash
Period End2020-09-302019-09-302019-06-302018-12-312017-12-31
Value4000.03000.05000.01000.09000.0
Percentage of CashAndCashEquivalentsGrossUnrealizedLossBeforeTax100.0100.0100.0100.0100.0

srpt:CashCashEquivalentsAndInvestments

srpt:CashCashEquivalentsAndInvestments


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value172717371938181620612171112410481103134411731089
Percentage of CashCashEquivalentsAndInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srpt:CashCashEquivalentsAndInvestmentsAmortizedCostBasis

srpt:CashCashEquivalentsAndInvestmentsAmortizedCostBasis


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value172717371938181620612170112410481102134411741089
Percentage of CashCashEquivalentsAndInvestmentsAmortizedCostBasis100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srpt:CashCashEquivalentsAndInvestmentsGrossUnrealizedGainBeforeTax

srpt:CashCashEquivalentsAndInvestmentsGrossUnrealizedGainBeforeTax


Cash
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value16000.022000.017000.044000.0871000.071000.078000.097000.031000.012000.02000.0
Percentage of CashCashEquivalentsAndInvestmentsGrossUnrealizedGainBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srpt:CashCashEquivalentsAndInvestmentsGrossUnrealizedLossBeforeTax

srpt:CashCashEquivalentsAndInvestmentsGrossUnrealizedLossBeforeTax


Cash
Period End2020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value4000.019000.02000.03000.015000.012000.0111000.0381000.0
Percentage of CashCashEquivalentsAndInvestmentsGrossUnrealizedLossBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0

srpt:CleanRoomSuiteReservationFeesPayments us-gaap:CounterpartyName, us-gaap:BalanceSheetLocation, us-gaap:TypeOfArrangement

srpt:CleanRoomSuiteReservationFeesPayments

srpt:CatalentInc, us-gaap:OtherAssets, srpt:ManufacturingCollaborationAgreement


Clean
Period End2020-09-302020-06-30
Value2418
Percentage of CleanRoomSuiteReservationFeesPayments100.0100.0

srpt:ThermoFisherScientificInc, us-gaap:OtherAssets, srpt:ThermoAgreement


Clean
Period End2020-12-312020-09-302020-06-30
Value524743
Percentage of CleanRoomSuiteReservationFeesPayments0.0199.6239.4

srpt:CollaborationReceivable

srpt:CollaborationReceivable


Collaboration
Period End2020-09-30
Value16
Percentage of CollaborationReceivable100.0

srpt:CollaborationReceivable us-gaap:CounterpartyName, us-gaap:TypeOfArrangement

srpt:Roche, us-gaap:CollaborativeArrangement


Collaboration
Period End2021-06-302021-03-312020-12-31
Value171534
Percentage of CollaborationReceivable0.00.00.0

srpt:CollaborationReceivableCurrent

srpt:CollaborationReceivableCurrent


Collaboration
Period End2021-06-302021-03-312020-12-31
Value171534
Percentage of CollaborationReceivableCurrent100.0100.0100.0

srpt:ContractualObligationToBePaidAfterYearFour us-gaap:CounterpartyName, us-gaap:TypeOfArrangement

srpt:ContractualObligationToBePaidAfterYearFour

srpt:CatalentAndThermo, srpt:ManufacturingCommitmentsAgreement


Contractual
Period End2021-06-302021-03-312020-09-30
Value207207190
Percentage of ContractualObligationToBePaidAfterYearFour100.0100.0100.0

srpt:DeferredTaxAssetsDepreciationAndAmortization

srpt:DeferredTaxAssetsDepreciationAndAmortization


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value3140551.212.5892.6942.82.4922.5242.574
Percentage of DeferredTaxAssetsDepreciationAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srpt:DeferredTaxAssetsLeaseLiabilities

srpt:DeferredTaxAssetsLeaseLiabilities


Deferred
Period End2020-12-312019-12-312018-12-31
Value13154.831
Percentage of DeferredTaxAssetsLeaseLiabilities100.0100.0100.0

srpt:DeferredTaxLiabilitiesDebtDiscount

srpt:DeferredTaxLiabilitiesDebtDiscount


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value18232528
Percentage of DeferredTaxLiabilitiesDebtDiscount100.0100.0100.0100.0

srpt:DeferredTaxLiabilitiesRightOfUseAsset

srpt:DeferredTaxLiabilitiesRightOfUseAsset


Deferred
Period End2020-12-312019-12-31
Value8.77210
Percentage of DeferredTaxLiabilitiesRightOfUseAsset100.0100.0

srpt:FinalSalePriceUnderAgreement us-gaap:CounterpartyName, us-gaap:SubsequentEventType

srpt:FinalSalePriceUnderAgreement

srpt:FDA, us-gaap:SubsequentEvent


Final
Period End2021-02-25
Value102
Percentage of FinalSalePriceUnderAgreement100.0

srpt:FiniteLivedIntangibleAssetsAmortizationExpenseOneThroughFiveYears

srpt:FiniteLivedIntangibleAssetsAmortizationExpenseOneThroughFiveYears


Finite
Period End2020-12-31
Value13
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseOneThroughFiveYears100.0

srpt:LeaseholdImprovementReceivableCurrent

srpt:LeaseholdImprovementReceivableCurrent


Leasehold
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value3.0593.0593.0593.0593.0593.0593.0593.059131313
Percentage of LeaseholdImprovementReceivableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srpt:ManufacturingRelatedDepositsAndPrepaidExpenseCurrent

srpt:ManufacturingRelatedDepositsAndPrepaidExpenseCurrent


Manufacturing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value8711413412383615447485539181515181821182313
Percentage of ManufacturingRelatedDepositsAndPrepaidExpenseCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srpt:ManufacturingRelatedDepositsAndPrepaidExpenseNonCurrent

srpt:ManufacturingRelatedDepositsAndPrepaidExpenseNonCurrent


Manufacturing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value1481561481521331351221179762
Percentage of ManufacturingRelatedDepositsAndPrepaidExpenseNonCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srpt:ObligationsDueToDevelopmentRegulatoryCommercialMilestoneAndUpFrontRoyaltyPayments us-gaap:Range, us-gaap:TypeOfArrangement

srpt:ObligationsDueToDevelopmentRegulatoryCommercialMilestoneAndUpFrontRoyaltyPayments

srt:Maximum, us-gaap:CollaborativeArrangement


Obligations
Period End2021-06-302021-03-312020-09-30
Value390039003700
Percentage of ObligationsDueToDevelopmentRegulatoryCommercialMilestoneAndUpFrontRoyaltyPayments100.0100.0100.0

srpt:PercentageOfPrepaymentsCreditedBackEqualToBatchInvoiceAmount us-gaap:CounterpartyName, us-gaap:TypeOfArrangement

srpt:PercentageOfPrepaymentsCreditedBackEqualToBatchInvoiceAmount

srpt:AldevronLLC, srpt:ClinicalAndCommercialSupplyAgreement


Percentage
Period End2020-12-31
Value50.0
Percentage of PercentageOfPrepaymentsCreditedBackEqualToBatchInvoiceAmount100.0

srpt:PrepaidClinicalAndPreclinicalExpensesCurrent

srpt:PrepaidClinicalAndPreclinicalExpensesCurrent


Prepaid
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value1317161410118.2639.0629.504109.706107.2866.1035.1751.225
Percentage of PrepaidClinicalAndPreclinicalExpensesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srpt:PrepaidMaintenanceServicesCurrent

srpt:PrepaidMaintenanceServicesCurrent


Prepaid
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-31
Value6695000.08063000.06411000.04136000.04231000.05849000.04366000.02794000.03343000.03538000.02994000.01711000.0109000.0
Percentage of PrepaidMaintenanceServicesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srpt:PrepaidResearchExpensesCurrent

srpt:PrepaidResearchExpensesCurrent


Prepaid
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value4738000.04620000.05854000.05392000.03620000.01043000.02007000.03957000.02519000.03091000.01932000.01939000.02472000.02140000.02896000.0
Percentage of PrepaidResearchExpensesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srpt:Prepayments us-gaap:CounterpartyName, us-gaap:BalanceSheetLocation, us-gaap:TypeOfArrangement

srpt:Prepayments

srpt:AldevronLLC, us-gaap:OtherCurrentAssets, srpt:ClinicalAndCommercialSupplyAgreement


Prepaymentsus-gaap:
Period End2020-12-31
Value16
Percentage of Prepayments100.0

srpt:RegulatoryMilestonePayable us-gaap:CounterpartyName

srpt:RegulatoryMilestonePayable

srpt:BioMarinPharmaceuticalIncorporation


Regulatory
Period End2020-12-31
Value10000000.0
Percentage of RegulatoryMilestonePayable100.0

srpt:ReservesForComponentOfAccruedExpenses

srpt:ReservesForComponentOfAccruedExpenses


Reserves
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value49484244434645353029262116127.3024.0951.8640.8750.305
Percentage of ReservesForComponentOfAccruedExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srpt:ReservesForReductionToAccountsReceivable

srpt:ReservesForReductionToAccountsReceivable


Reserves
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value6908000.07421000.08352000.07020000.04920000.04147000.06254000.05437000.03563000.02405000.02364000.01469000.01612000.01367000.01285000.0457000.0241000.0105000.01000.0
Percentage of ReservesForReductionToAccountsReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srpt:StrategicInvestmentsNoncurrent

srpt:StrategicInvestmentsNoncurrent


Strategic
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value3940383233333131323231
Percentage of StrategicInvestmentsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srpt:UpfrontLicenseFee us-gaap:CounterpartyName, us-gaap:BalanceSheetLocation, us-gaap:TypeOfArrangement

srpt:UpfrontLicenseFee

srpt:LysogeneSA, us-gaap:OtherNoncurrentAssets, srpt:EquityInvestmentAgreement


Upfront
Period End2020-12-312018-12-31
Value3.71.9
Percentage of UpfrontLicenseFee100.0100.0

us-gaap:AccruedProfessionalFeesCurrent

us-gaap:AccruedProfessionalFeesCurrent


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value8.6481010109.5851110118.9638.0119.1127.578106.7945.525.0123.7592.7992.282.62.9574.2583.3491.9242.5413.4032.6823.441.6061.235
Percentage of AccruedProfessionalFeesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedRoyaltiesCurrent

us-gaap:AccruedRoyaltiesCurrent


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value9201000.08019000.07793000.07813000.07053000.06400000.06301000.06350000.05819000.04455000.08254000.04002000.03695000.03117000.02846000.0
Percentage of AccruedRoyaltiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent


Allowance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value56555051485051403431282318148.5874.5522.1050.980.306
Percentage of AllowanceForDoubtfulAccountsReceivableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType

srpt:Chargebacks


Allowance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value1.0590.3972.2811.0260.6410.6870.5880.8311.540.8951.3780.8010.8630.8690.9950.4310.2410.1050.001
Percentage of AllowanceForDoubtfulAccountsReceivableCurrent1.90.74.52.01.31.41.12.14.52.84.83.54.76.211.69.511.410.70.3

srpt:OtherAccruals


Allowance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value4.5815.5414.9695.0233.3012.7514.6714.0721.6971.3672.3180.4640.2470.130.1170.067
Percentage of AllowanceForDoubtfulAccountsReceivableCurrent8.29.99.79.76.85.49.110.14.94.38.15.45.46.211.921.9

srpt:PromptPay


Allowance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value2.4212.3611.9491.7571.6621.5881.5061.070.8690.6830.5380.4470.3460.2290.1690.026
Percentage of AllowanceForDoubtfulAccountsReceivableCurrent4.34.23.83.43.43.12.92.62.52.21.91.91.91.62.00.6

srpt:Rebates


Allowance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value48474144424544343028241916116.9593.8481.7340.7580.238
Percentage of AllowanceForDoubtfulAccountsReceivableCurrent85.685.182.084.988.490.186.985.388.190.685.185.487.479.081.084.582.477.377.8

us-gaap:AssetsFairValueDisclosure

us-gaap:AssetsFairValueDisclosure


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value14521453170615511771180110458989981095100579976591190955819719720747471021616695145185188188192192
Percentage of AssetsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetsFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel1


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value141514161671152117411771101585888199984967957673376536140811247361144116.0481.011485.2234.9248.809192
Percentage of AssetsFairValueDisclosure97.597.597.998.198.398.397.195.588.291.384.585.075.280.484.264.720.741.56.0100.076.211.227.417.26.30.726.12.82.64.6100.0

us-gaap:FairValueInputsLevel3


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value363635303030303030303030
Percentage of AssetsFairValueDisclosure2.52.52.11.91.71.72.93.33.02.73.03.8

us-gaap:AssetsFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:InvestmentType

us-gaap:FairValueInputsLevel1, srpt:StrategicEquityInvestments


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value3.0713.743.6992.7693.3443.6971.9371.8342.1542.3591.739
Percentage of AssetsFairValueDisclosure0.20.30.20.20.20.20.20.20.20.20.2

us-gaap:FairValueInputsLevel1, us-gaap:CertificatesOfDeposit


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value0.250.250.251.0011.0011.0011.0011.0011.0011.0011.0011.0011.0010.6480.6480.6480.6480.6841111111111110.6480.647
Percentage of AssetsFairValueDisclosure0.00.00.00.10.10.10.10.10.10.10.10.10.10.10.10.10.30.35.523.723.711.07.017.00.70.3

us-gaap:FairValueInputsLevel1, us-gaap:MoneyMarketFunds


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value138210536296248101047203119181155428521135236040811.14736250.178320.145.447
Percentage of AssetsFairValueDisclosure95.272.536.940.345.758.219.513.318.114.24.310.727.638.864.520.341.10.676.352.50.220.40.25.625.8

us-gaap:FairValueInputsLevel1, us-gaap:USGovernmentAgenciesDebtSecurities


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value303591037892927719809725677807760510278270284
Percentage of AssetsFairValueDisclosure2.124.760.857.552.339.977.480.867.873.775.663.836.429.631.3

us-gaap:FairValueInputsLevel3, srpt:StrategicEquityInvestments


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value3636353030303030303030
Percentage of AssetsFairValueDisclosure2.52.52.11.91.71.72.93.33.02.73.0

us-gaap:AssetsFairValueDisclosure us-gaap:InvestmentType

srpt:StrategicEquityInvestments


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value3940383233333131323231
Percentage of AssetsFairValueDisclosure2.82.82.32.11.91.93.13.53.23.03.2

us-gaap:CertificatesOfDeposit


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value0.250.250.251.0011.0011.0011.0011.0011.0011.0011.0011.0011.0010.6480.6480.6480.6480.6841111111111110.6480.647
Percentage of AssetsFairValueDisclosure0.00.00.00.10.10.10.10.10.10.10.10.10.10.10.10.10.30.35.523.723.711.07.017.00.70.3

us-gaap:MoneyMarketFunds


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value138210536296248101047203119181155428521135236040811.14736250.178320.145.447
Percentage of AssetsFairValueDisclosure95.272.536.940.345.758.219.513.318.114.24.310.727.638.864.520.341.10.676.352.50.220.40.25.625.8

us-gaap:USGovernmentAgenciesDebtSecurities


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-06-302016-03-312015-12-312015-09-302014-12-31
Value30359103789292771980972567780776051027827029411379651053.06843502875
Percentage of AssetsFairValueDisclosure2.124.760.857.552.339.977.480.867.873.775.663.836.429.632.420.440.033.150.66.442.731.642.440.6

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax us-gaap:InvestmentType

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax

us-gaap:USGovernmentAgenciesDebtSecurities


Available
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value16000.022000.017000.044000.0871000.071000.074000.091000.031000.012000.02000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax us-gaap:InvestmentType

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax

us-gaap:USGovernmentAgenciesDebtSecurities


Available
Period End2020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value4000.019000.02000.03000.015000.07000.035000.0200000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis us-gaap:InvestmentType

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis

us-gaap:USGovernmentAgenciesDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value303591037892927718809725677807760294
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtSecurities us-gaap:InvestmentType

us-gaap:AvailableForSaleSecuritiesDebtSecurities

us-gaap:USGovernmentAgenciesDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value303591037892927719809725677807760294
Percentage of AvailableForSaleSecuritiesDebtSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtSecuritiesCurrent

us-gaap:AvailableForSaleSecuritiesDebtSecuritiesCurrent


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value30255435341421406289324294612803479
Percentage of AvailableForSaleSecuritiesDebtSecuritiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BilledContractReceivables

us-gaap:BilledContractReceivables


Billed
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value12711710010494899067564948474238282316114.002
Percentage of BilledContractReceivables100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessAcquisitionCostOfAcquiredEntityTransactionCosts us-gaap:CounterpartyName

us-gaap:BusinessAcquisitionCostOfAcquiredEntityTransactionCosts

srpt:MyonexusTherapeuticsInc


Business
Period End2020-12-312019-12-312019-09-302019-06-302019-02-27
Value8.81651651658.8
Percentage of BusinessAcquisitionCostOfAcquiredEntityTransactionCosts100.0100.0100.0100.0100.0

us-gaap:BusinessCombinationContingentConsiderationLiability

us-gaap:BusinessCombinationContingentConsiderationLiability


Business
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value505050505.25.25.25.25.2
Percentage of BusinessCombinationContingentConsiderationLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessCombinationContingentConsiderationLiability us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel3


Business
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value505050505.25.25.25.25.2
Percentage of BusinessCombinationContingentConsiderationLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashCashEquivalentsAndShortTermInvestments

us-gaap:CashCashEquivalentsAndShortTermInvestments


Cash
Period End2021-06-302021-03-312020-12-312020-09-30
Value1736174719471825
Percentage of CashCashEquivalentsAndShortTermInvestments100.0100.0100.0100.0

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312015-12-31
Value17061490151114831648177284373381773737020941055759961716812280
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashEquivalentsAtCarryingValue

us-gaap:CashEquivalentsAtCarryingValue


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value1382115612311175131613597225416714491691852264194191.147
Percentage of CashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashEquivalentsAtCarryingValue us-gaap:InvestmentType

us-gaap:MoneyMarketFunds


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value13821053629624810104720311918115542852113703521.147
Percentage of CashEquivalentsAtCarryingValue100.091.151.153.161.577.028.122.127.034.625.346.193.488.284.1100.0

us-gaap:USGovernmentAgenciesDebtSecurities


Cash
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-03-312017-12-31
Value103602551506312519421452294111992449
Percentage of CashEquivalentsAtCarryingValue8.948.946.938.523.071.977.967.465.465.953.96.011.9

us-gaap:ContractWithCustomerLiability us-gaap:CounterpartyName, us-gaap:TypeOfArrangement

us-gaap:ContractWithCustomerLiability

srpt:Roche, us-gaap:CollaborativeArrangement


Contract
Period End2021-06-302021-03-312020-12-312020-09-30
Value708730752775
Percentage of ContractWithCustomerLiability100.0100.0100.0100.0

us-gaap:ContractWithCustomerLiabilityNoncurrent

us-gaap:ContractWithCustomerLiabilityNoncurrent


Contract
Period End2021-06-302021-03-312020-12-312020-09-30
Value619641663685
Percentage of ContractWithCustomerLiabilityNoncurrent100.0100.0100.0100.0

us-gaap:ContractualObligation

us-gaap:ContractualObligation


Contractual
Period End2020-12-312012-12-31
Value12942.095
Percentage of ContractualObligation100.0100.0

us-gaap:ContractualObligation us-gaap:CounterpartyName, us-gaap:TypeOfArrangement

srpt:CatalentAndThermo, srpt:ManufacturingCommitmentsAgreement


Contractual
Period End2021-06-302021-03-312020-09-30
Value142914521080
Percentage of ContractualObligation0.00.00.0

us-gaap:ContractualObligationDueAfterFifthYear

us-gaap:ContractualObligationDueAfterFifthYear


Contractual
Period End2020-12-31
Value138
Percentage of ContractualObligationDueAfterFifthYear100.0

us-gaap:ContractualObligationDueInFifthYear

us-gaap:ContractualObligationDueInFifthYear


Contractual
Period End2020-12-31
Value101
Percentage of ContractualObligationDueInFifthYear100.0

us-gaap:ContractualObligationDueInFourthYear

us-gaap:ContractualObligationDueInFourthYear


Contractual
Period End2020-12-31
Value105
Percentage of ContractualObligationDueInFourthYear100.0

us-gaap:ContractualObligationDueInFourthYear us-gaap:CounterpartyName, us-gaap:TypeOfArrangement

srpt:CatalentAndThermo, srpt:ManufacturingCommitmentsAgreement


Contractual
Period End2021-06-302021-03-312020-09-30
Value10811458
Percentage of ContractualObligationDueInFourthYear0.00.00.0

us-gaap:ContractualObligationDueInNextTwelveMonths

us-gaap:ContractualObligationDueInNextTwelveMonths


Contractual
Period End2020-12-31
Value632
Percentage of ContractualObligationDueInNextTwelveMonths100.0

us-gaap:ContractualObligationDueInNextTwelveMonths us-gaap:CounterpartyName, us-gaap:TypeOfArrangement

srpt:CatalentAndThermo, srpt:ManufacturingCommitmentsAgreement


Contractual
Period End2021-06-302021-03-312020-09-30
Value275261508
Percentage of ContractualObligationDueInNextTwelveMonths0.00.00.0

us-gaap:ContractualObligationDueInSecondYear

us-gaap:ContractualObligationDueInSecondYear


Contractual
Period End2020-12-31
Value208
Percentage of ContractualObligationDueInSecondYear100.0

us-gaap:ContractualObligationDueInSecondYear us-gaap:CounterpartyName, us-gaap:TypeOfArrangement

srpt:CatalentAndThermo, srpt:ManufacturingCommitmentsAgreement


Contractual
Period End2021-06-302021-03-312020-09-30
Value22222479
Percentage of ContractualObligationDueInSecondYear0.00.00.0

us-gaap:ContractualObligationDueInThirdYear

us-gaap:ContractualObligationDueInThirdYear


Contractual
Period End2020-12-31
Value107
Percentage of ContractualObligationDueInThirdYear100.0

us-gaap:ContractualObligationDueInThirdYear us-gaap:CounterpartyName, us-gaap:TypeOfArrangement

srpt:CatalentAndThermo, srpt:ManufacturingCommitmentsAgreement


Contractual
Period End2021-06-302021-03-312020-09-30
Value11412058
Percentage of ContractualObligationDueInThirdYear0.00.00.0

us-gaap:ContractualObligationFutureMinimumPaymentsDueRemainderOfFiscalYear us-gaap:CounterpartyName, us-gaap:TypeOfArrangement

us-gaap:ContractualObligationFutureMinimumPaymentsDueRemainderOfFiscalYear

srpt:CatalentAndThermo, srpt:ManufacturingCommitmentsAgreement


Contractual
Period End2021-06-302021-03-312020-09-30
Value501523185
Percentage of ContractualObligationFutureMinimumPaymentsDueRemainderOfFiscalYear100.0100.0100.0

us-gaap:DebtInstrumentFaceAmount

us-gaap:DebtInstrumentFaceAmount


Debt
Period End2021-06-302021-03-312020-12-312019-12-312018-12-31
Value111911191119820570
Percentage of DebtInstrumentFaceAmount100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentFaceAmount us-gaap:DebtInstrument

srpt:TwoThousandAndNineteenTermLoan


Debt
Period End2021-06-302021-03-312020-12-312019-12-31
Value550550550250
Percentage of DebtInstrumentFaceAmount49.149.149.130.5

srpt:TwoThousandAndTwentyFourSeniorConvertibleNotes


Debt
Period End2021-06-302021-03-312020-12-312019-12-312018-12-312018-09-302018-06-302018-03-312017-12-312017-11-302017-11-14
Value569569569570570570570570570570570
Percentage of DebtInstrumentFaceAmount50.950.950.969.5100.00.00.00.00.00.00.0

us-gaap:DebtInstrumentFairValue

us-gaap:DebtInstrumentFairValue


Debt
Period End2020-12-312019-12-312018-12-31
Value19441391952
Percentage of DebtInstrumentFairValue100.0100.0100.0

us-gaap:DebtInstrumentFairValue us-gaap:AdjustmentsForNewAccountingPronouncements, us-gaap:DebtInstrument

srpt:AccountingStandardsUpdate202006, srpt:TwoThousandAndTwentyFourSeniorConvertibleNotes


Debt
Period End2021-06-302021-03-31
Value770735
Percentage of DebtInstrumentFairValue0.00.0

us-gaap:DebtInstrumentFairValue us-gaap:DebtInstrument

srpt:TwoThousandAndNineteenTermLoan


Debt
Period End2020-12-312019-12-31
Value550250
Percentage of DebtInstrumentFairValue28.318.0

srpt:TwoThousandAndTwentyFourSeniorConvertibleNotes


Debt
Period End2020-12-312019-12-312018-12-31
Value13941141952
Percentage of DebtInstrumentFairValue71.782.0100.0

us-gaap:DebtInstrumentInterestRateEffectivePercentage us-gaap:DebtInstrument

us-gaap:DebtInstrumentInterestRateEffectivePercentage

srpt:TwoThousandAndTwentyFourSeniorConvertibleNotes


Debt
Period End2020-12-312019-12-312018-12-312017-12-31
Value6.90.0690.0690.069
Percentage of DebtInstrumentInterestRateEffectivePercentage100.0100.0100.0100.0

us-gaap:DebtInstrumentUnamortizedDiscount us-gaap:DebtInstrument

us-gaap:DebtInstrumentUnamortizedDiscount

srpt:TwoThousandAndNineteenTermLoan


Debt
Period End2021-06-302021-03-312020-12-312019-12-31
Value1920229.996
Percentage of DebtInstrumentUnamortizedDiscount100.0100.0100.0100.0

srpt:TwoThousandAndTwentyFourSeniorConvertibleNotes


Debt
Period End2020-12-312019-12-312018-12-312018-09-302018-06-302018-03-312017-12-312017-11-302017-11-14
Value98120140144149154158171171
Percentage of DebtInstrumentUnamortizedDiscount443.31202.30.00.00.00.00.00.00.0

us-gaap:DebtInstrumentUnamortizedDiscount us-gaap:DebtInstrument, us-gaap:InvestmentType, us-gaap:LongtermDebtType

srpt:BiopharmaCreditPLCAndBiopharmaCreditInvestmentsVMasterLP, srpt:TranchA, srpt:DecemberTwoThousandNineteenTermLoan


Debt
Period End2020-12-31
Value9.4
Percentage of DebtInstrumentUnamortizedDiscount42.2

srpt:BiopharmaCreditPLCAndBiopharmaCreditInvestmentsVMasterLP, srpt:TranchB, srpt:DecemberTwoThousandNineteenTermLoan


Debt
Period End2020-12-31
Value14
Percentage of DebtInstrumentUnamortizedDiscount66.9

us-gaap:DeferredFinanceCostsNet us-gaap:DebtInstrument

us-gaap:DeferredFinanceCostsNet

srpt:TwoThousandAndTwentyFourSeniorConvertibleNotes


Deferred
Period End2021-06-302021-03-312020-12-312019-12-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value7.3847.9136.517.9229.249.5559.8471010
Percentage of DeferredFinanceCostsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredFinanceCostsNet us-gaap:DebtInstrument, us-gaap:InvestmentType, us-gaap:LongtermDebtType

srpt:BiopharmaCreditPLCAndBiopharmaCreditInvestmentsVMasterLP, srpt:TranchA, srpt:DecemberTwoThousandNineteenTermLoan


Deferred
Period End2020-12-31
Value0.7
Percentage of DeferredFinanceCostsNet10.8

us-gaap:DeferredFinanceCostsNet us-gaap:Range, us-gaap:DebtInstrument, us-gaap:InvestmentType, us-gaap:LongtermDebtType

srt:Maximum, srpt:BiopharmaCreditPLCAndBiopharmaCreditInvestmentsVMasterLP, srpt:TranchB, srpt:DecemberTwoThousandNineteenTermLoan


Deferred
Period End2020-12-31
Value0.1
Percentage of DeferredFinanceCostsNet1.5

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredIncomeTaxLiabilities


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value26332528
Percentage of DeferredIncomeTaxLiabilities100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsGross


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value633523394233274219165133114116
Percentage of DeferredTaxAssetsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsInProcessResearchAndDevelopment

us-gaap:DeferredTaxAssetsInProcessResearchAndDevelopment


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value1591036744
Percentage of DeferredTaxAssetsInProcessResearchAndDevelopment100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsInventory

us-gaap:DeferredTaxAssetsInventory


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value351822223619
Percentage of DeferredTaxAssetsInventory100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value333304212144174138115948587
Percentage of DeferredTaxAssetsOperatingLossCarryforwards100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards us-gaap:IncomeTaxAuthority

us-gaap:DomesticCountry


Deferred
Period End2020-12-312019-12-312018-12-31
Value717586198
Percentage of DeferredTaxAssetsOperatingLossCarryforwards214.9192.893.5

us-gaap:StateAndLocalJurisdiction


Deferred
Period End2020-12-312019-12-31
Value5251
Percentage of DeferredTaxAssetsOperatingLossCarryforwards15.716.9

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration us-gaap:IncomeTaxAuthority

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration

us-gaap:DomesticCountry


Deferred
Period End2020-12-312019-12-312018-12-31
Value581579240
Percentage of DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration100.0100.0100.0

us-gaap:StateAndLocalJurisdiction


Deferred
Period End2020-12-312019-12-312018-12-31
Value819807503
Percentage of DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration141.0139.3209.7

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsOther


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value2816154.0713.0473.060.4130.2080.1690.571
Percentage of DeferredTaxAssetsOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value312415141620139.0364.4244.153
Percentage of DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeRelatedLiabilitiesCurrent

us-gaap:EmployeeRelatedLiabilitiesCurrent


Employee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value312350342818432823142421177.90614108.0355.1778.7487.6495.5674.5538.1896.2624.9553.0226.175.2223.9322.6115.0472.9091.9861.522.7412.181.9361.8522.2442.252.5512.015
Percentage of EmployeeRelatedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized


Employee
Period End2020-12-312019-12-31
Value189181
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized us-gaap:NatureOfExpense

srpt:AwardsWithServiceAndMarketConditions


Employee
Period End2020-12-312019-12-31
Value1322
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized7.012.2

srpt:OptionsWithServiceConditions


Employee
Period End2020-12-312019-12-31
Value107109
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized56.660.5

srpt:StockAwardsOrStockUnitsWithServiceConditions


Employee
Period End2020-12-312019-12-31
Value6949
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized36.527.3

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization


Finite
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value7209000.05507000.05091000.04685000.04276000.03852000.05532000.05100000.04659000.04145000.03762000.02862000.02758000.03134000.03054000.02903000.02774000.02620000.02486000.02353000.02216000.02081000.01972000.01853000.01740000.01622000.01538000.01439000.01534000.02626000.02521000.02413000.02298000.02199000.01901000.01845000.01742000.0
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive


Finite
Period End2020-12-31
Value7064000.0
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths


Finite
Period End2020-12-31
Value1527000.0
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive


Finite
Period End2020-12-31
Value1213000.0
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearFive100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour


Finite
Period End2020-12-31
Value1270000.0
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearFour100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree


Finite
Period End2020-12-31
Value1277000.0
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearThree100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo


Finite
Period End2020-12-31
Value1277000.0
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo100.0

us-gaap:FiniteLivedIntangibleAssetsGross

us-gaap:FiniteLivedIntangibleAssetsGross


Finite
Period End2020-12-312019-12-312018-12-31
Value201815
Percentage of FiniteLivedIntangibleAssetsGross100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsGross us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:LicensingAgreements


Finite
Period End2020-12-312019-12-312018-12-31
Value8.0738.0737.573
Percentage of FiniteLivedIntangibleAssetsGross38.744.849.1

us-gaap:Patents


Finite
Period End2020-12-312019-12-312018-12-31
Value118.9027.227
Percentage of FiniteLivedIntangibleAssetsGross53.849.446.8

us-gaap:SoftwareDevelopment


Finite
Period End2020-12-312019-12-312018-12-31
Value1.5541.0290.626
Percentage of FiniteLivedIntangibleAssetsGross7.55.74.1

us-gaap:GovernmentContractReceivable

us-gaap:GovernmentContractReceivable


Government
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value470000.0470000.0470000.0470000.0470000.0470000.0470000.0772000.0792000.0792000.0792000.0792000.0929000.0929000.0929000.0929000.0929000.01226000.0
Percentage of GovernmentContractReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestPayableCurrent

us-gaap:InterestPayableCurrent


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value1045000.03182000.01045000.03182000.01045000.03183000.01045000.03183000.01045000.03183000.01045000.03183000.01251000.03411000.01291000.0100000.0
Percentage of InterestPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InventoryFinishedGoodsNetOfReserves

us-gaap:InventoryFinishedGoodsNetOfReserves


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value2928204.5533.6236.9111.3181.7946.0893.3126.8534.592.4941.2722.2880.2920.160.1140.107
Percentage of InventoryFinishedGoodsNetOfReserves100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InventoryRawMaterialsNetOfReserves

us-gaap:InventoryRawMaterialsNetOfReserves


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value4762718075818274727071686463534427249.531
Percentage of InventoryRawMaterialsNetOfReserves100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InventoryWorkInProcessAndRawMaterialsNetOfReserves

us-gaap:InventoryWorkInProcessAndRawMaterialsNetOfReserves


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value1911491391351008488907866474237342720135.4333.175
Percentage of InventoryWorkInProcessAndRawMaterialsNetOfReserves100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LesseeOperatingLeaseDiscountRate us-gaap:CounterpartyName, us-gaap:TypeOfArrangement

us-gaap:LesseeOperatingLeaseDiscountRate

srpt:CatalentInc, srpt:ManufacturingCollaborationAgreement


Lessee
Period End2020-09-302020-06-30
Value8.00.08
Percentage of LesseeOperatingLeaseDiscountRate100.0100.0

srpt:ThermoFisherScientificInc, srpt:ThermoAgreement


Lessee
Period End2020-09-302020-06-30
Value7.50.075
Percentage of LesseeOperatingLeaseDiscountRate93.893.8

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths


Lessee
Period End2020-12-31
Value27
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths100.0

us-gaap:LiabilitiesFairValueDisclosure

us-gaap:LiabilitiesFairValueDisclosure


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302014-06-302014-03-312013-12-31
Value505050505.25.25.25.25.29.8269.2139.006
Percentage of LiabilitiesFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LiabilitiesFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel3


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302014-06-302014-03-312013-12-31
Value505050505.25.25.25.25.29.8269.2139.006
Percentage of LiabilitiesFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LineOfCreditFacilityCurrentBorrowingCapacity us-gaap:DebtInstrument, us-gaap:InvestmentType, us-gaap:LongtermDebtType

us-gaap:LineOfCreditFacilityCurrentBorrowingCapacity

srpt:BiopharmaCreditPLCAndBiopharmaCreditInvestmentsVMasterLP, srpt:TranchB, srpt:DecemberTwoThousandNineteenTermLoan


Line
Period End2020-09-242019-12-13
Value300250
Percentage of LineOfCreditFacilityCurrentBorrowingCapacity100.0100.0

srpt:BiopharmaCreditPLCAndBiopharmaCreditInvestmentsVMasterLP, srpt:TrancheBTermLoan, srpt:DecemberTwoThousandNineteenTermLoan


Line
Period End2020-09-242019-12-13
Value300250
Percentage of LineOfCreditFacilityCurrentBorrowingCapacity100.0100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour


Long
Period End2020-12-312017-09-302016-12-312015-12-312014-12-31
Value869100.1710.1710.171
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour100.0100.0100.0100.0100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree


Long
Period End2021-06-302021-03-312020-12-312017-09-302016-12-312015-12-312014-12-31
Value869869250110.1715.2860.171
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree100.0100.0100.0100.0100.0100.0100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo


Long
Period End2021-06-302021-03-312017-09-302016-12-312015-12-312014-12-31
Value2502506.3895.285102.675
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo100.0100.0100.0100.0100.0100.0

us-gaap:LongTermLoansPayable

us-gaap:LongTermLoansPayable


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value10921091992700694687681436431425420415429427424262.3436.0428.49110131417201.476
Percentage of LongTermLoansPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LongTermLoansPayable us-gaap:LongtermDebtType

srpt:ConvertibleDebtAndTermLoanAndRevolverAndMortgageLoans


Long
Period End2020-12-312019-12-312018-12-312018-03-312017-12-31
Value992681420427424
Percentage of LongTermLoansPayable100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent


Operating
Period End2020-12-31
Value7.6
Percentage of OperatingLeaseWeightedAverageDiscountRatePercent100.0

us-gaap:OperatingLossCarryforwards us-gaap:ConsolidatedEntities, us-gaap:IncomeTaxAuthority

us-gaap:OperatingLossCarryforwards

srpt:SareptaInternationalHoldingsGmbH, us-gaap:ForeignCountry


Operating
Period End2020-12-312019-12-312018-12-31
Value118.055
Percentage of OperatingLossCarryforwards100.0100.0100.0

us-gaap:OperatingLossCarryforwards us-gaap:IncomeTaxAuthority

us-gaap:DomesticCountry


Operating
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value12981166438249498388
Percentage of OperatingLossCarryforwards11388.614577.5794.40.00.00.0

us-gaap:StateAndLocalJurisdiction


Operating
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value872859503174425313220237195
Percentage of OperatingLossCarryforwards7651.810737.5911.80.00.00.00.00.00.0

us-gaap:OperatingLossCarryforwardsValuationAllowance

us-gaap:OperatingLossCarryforwardsValuationAllowance


Operating
Period End2020-12-31
Value7900000.0
Percentage of OperatingLossCarryforwardsValuationAllowance100.0

us-gaap:OtherAssetsMiscellaneousCurrent

us-gaap:OtherAssetsMiscellaneousCurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value4905000.05369000.04065000.03231000.03222000.05867000.05249000.05109000.05927000.04949000.01348000.04874000.01868000.02400000.02263000.01022000.01140000.0956000.0914000.01556000.01105000.01071000.01201000.0634000.0455000.0443000.01571000.0638000.0
Percentage of OtherAssetsMiscellaneousCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherAssetsMiscellaneousNoncurrent

us-gaap:OtherAssetsMiscellaneousNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value3416000.03092000.03669000.02632000.02037000.02415000.02233000.02094000.02336000.02725000.0825000.055000.0240000.0241000.0242000.0362000.0242000.0242000.0242000.0242000.0243000.0241000.0242000.0
Percentage of OtherAssetsMiscellaneousNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PrepaidExpenseNoncurrent

us-gaap:PrepaidExpenseNoncurrent


Prepaid
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value2077000.02124000.03395000.04248000.04680000.05164000.04665000.04499000.07161000.05700000.07541000.04594000.08680000.06151000.07488000.07056000.07056000.03891000.03725000.03725000.04248000.04228000.04228000.0
Percentage of PrepaidExpenseNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PrepaidInsurance

us-gaap:PrepaidInsurance


Prepaid
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value2660000.02637000.04158000.05532000.01371000.01420000.02573000.03699000.01006000.0
Percentage of PrepaidInsurance100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PrepaidTaxes

us-gaap:PrepaidTaxes


Prepaid
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value894000.03930000.04939000.05270000.05270000.05303000.02114000.02132000.02125000.02130000.02130000.0
Percentage of PrepaidTaxes100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedCashAndInvestmentsNoncurrent

us-gaap:RestrictedCashAndInvestmentsNoncurrent


Restricted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-03-31
Value9.39.39.39.69.69.69.69.69.56.2011.0010.7840.7840.7840.7840.7840.7840.7840.7830.7830.783110.7830.7830.7820.6470.6470.6470.6477.25
Percentage of RestrictedCashAndInvestmentsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedCashNoncurrent

us-gaap:RestrictedCashNoncurrent


Restricted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-03-312017-12-312016-12-31
Value9065000.09065000.09065000.08565000.08565000.08565000.08565000.08565000.08460000.05200000.0136000.0136000.0136000.0
Percentage of RestrictedCashNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

us-gaap:RestrictedStock


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-07-032013-06-302013-03-312012-12-312011-12-312010-12-312009-12-31
Value50.1142.9842.3737.2334.5321.534.9229.0329.0331.9834.9234.9223.6323.6310.0810.088.467.86.54
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedStockUnitsRSU


Share
Period End2020-12-312019-12-312018-12-312017-12-312014-06-302014-03-312013-12-312013-09-302013-07-032013-06-302013-03-312012-12-312011-12-31
Value121.46121.6181.2133.7205.45.45.45.45.46.336.320
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue242.4282.9191.790.60.016.915.515.522.922.962.862.70.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-312010-12-31
Value70.1645.3327.6924.7624.4223.8518.6918.6117.7512.8511.9111.611.8112.3612.7115.617.58
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue


Share
Period End2020-12-31
Value783
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue


Share
Period End2020-12-31
Value766
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value68.2458.6545.4328.4922.8323.9423.2721.511.73
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1


Sharebased
Period End2020-12-31
Value202
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1100.0

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

us-gaap:TaxCreditCarryforwardAmount

us-gaap:DomesticCountry, us-gaap:Research


Tax
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value1117450343026
Percentage of TaxCreditCarryforwardAmount100.0100.0100.0100.0100.0100.0

us-gaap:StateAndLocalJurisdiction, us-gaap:Research


Tax
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value573420119.77.25.0
Percentage of TaxCreditCarryforwardAmount51.645.641.633.531.427.60.0

Line plots across dimensions of each concept


TTM Greenblatt ROC
_
(None,)
T T M  Greenblatt  R O C_
us-gaap:AllocatedShareBasedCompensationExpense
us-gaap:AwardType
(None,)
Allocated Share Based Compensation Expenseus-gaap: Award Type
us-gaap:AllocatedShareBasedCompensationExpense
us-gaap:IncomeStatementLocation
(None,)
Allocated Share Based Compensation Expenseus-gaap: Income Statement Location
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:LongTermDebt
us-gaap:DebtInstrument
(None,)
Long Term Debtus-gaap: Debt Instrument
us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents
(None,)
Stockholders Equityus-gaap: Statement Equity Components