ALLO


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

Table of contents



us-gaap:CommonStockValue

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities

us-gaap:EarningsPerShareBasicAndDiluted

us-gaap:AllocatedShareBasedCompensationExpense
us-gaap:IncomeStatementLocation

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:GeneralAndAdministrativeExpense

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:NonoperatingIncomeExpense

us-gaap:OperatingExpenses

us-gaap:OperatingIncomeLoss

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:ProfitLoss

us-gaap:ResearchAndDevelopmentExpense
us-gaap:RelatedPartyTransaction, us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:TypeOfArrangement

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:CounterpartyName

us-gaap:Assets

us-gaap:Liabilities

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents

us-gaap:AssetsCurrent

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:ShortTermInvestments

us-gaap:PrepaidExpenseAndOtherAssetsCurrent
us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:TypeOfArrangement

us-gaap:PropertyPlantAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AmortizationOfIntangibleAssets

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:OperatingLeaseRightOfUseAsset
us-gaap:StatementGeographical, us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:OtherAssetsNoncurrent

us-gaap:AccountsPayableCurrent

us-gaap:ContractWithCustomerLiabilityCurrent

us-gaap:LiabilitiesCurrent

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OtherLiabilitiesCurrent

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:OperatingLeaseLiability
us-gaap:RelatedPartyTransaction, us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax
us-gaap:StatementEquityComponents, us-gaap:SubsidiarySaleOfStock
us-gaap:StockIssuedDuringPeriodValueNewIssues
us-gaap:SubsidiarySaleOfStock

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:IncreaseDecreaseInAccountsPayable

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:ProfitLoss

us-gaap:ShareBasedCompensation

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:PaymentsToAcquireInvestments

us-gaap:NetCashProvidedByUsedInFinancingActivities
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:UnrecognizedTaxBenefits

us-gaap:DeferredTaxAssetsValuationAllowance
us-gaap:CounterpartyName, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:TypeOfArrangement
allo:AggregatePotentialMilestonePayments
us-gaap:Range, us-gaap:RelatedPartyTransaction, us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:TypeOfArrangement

allo:CapitalizedSoftwareCostsIncurredNotYetPaid

allo:CashReceivedForAmountsRelatedToTenantImprovementAllowances
us-gaap:CounterpartyName
allo:CollaborationAgreementCommittedFunding
us-gaap:CounterpartyName, us-gaap:SubsequentEventType
us-gaap:CounterpartyName, us-gaap:IncomeStatementLocation
allo:CollaborationArrangementExpense
us-gaap:IncomeStatementLocation
us-gaap:IncomeStatementLocation, us-gaap:RelatedPartyTransactionsByRelatedParty

allo:IncomeLossFromCostMethodInvestment
us-gaap:CounterpartyName, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:TypeOfArrangement
allo:JointVentureCapitalSupportPayments
us-gaap:CounterpartyName, us-gaap:TypeOfArrangement
us-gaap:CounterpartyName, us-gaap:Range, us-gaap:TypeOfArrangement
allo:MilestonePayments
us-gaap:CounterpartyName, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:TypeOfArrangement
us-gaap:CounterpartyName, us-gaap:TypeOfArrangement
us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:TypeOfArrangement
allo:PercentageOfDevelopmentCostPayableByCollaborationPartner
us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:TypeOfArrangement
allo:PercentageOfDevelopmentCostPayableByTheCompany
us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:TypeOfArrangement
allo:RecoveryOfResearchAndDevelopmentExpense
us-gaap:CounterpartyName, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:TypeOfArrangement
allo:UpfrontAndQuarterlyCashPayments
us-gaap:CounterpartyName, us-gaap:TypeOfArrangement

us-gaap:CapitalExpendituresIncurredButNotYetPaid

us-gaap:Depreciation

us-gaap:IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities

us-gaap:IncreaseDecreaseInContractWithCustomerLiability

us-gaap:IncreaseDecreaseInOtherNoncurrentAssets

us-gaap:IncreaseDecreaseInOtherNoncurrentLiabilities

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets

us-gaap:InvestmentIncomeNetAmortizationOfDiscountAndPremium

us-gaap:LeaseCost

us-gaap:OperatingLeaseCost

us-gaap:OperatingLeaseExpense

us-gaap:OperatingLeasePayments

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax
us-gaap:StatementEquityComponents

us-gaap:OtherExpenses

us-gaap:PaymentsForLeasingCostsCommissionsAndTenantImprovements

us-gaap:PaymentsForProceedsFromTenantAllowance
us-gaap:SubsidiarySaleOfStock
us-gaap:PaymentsOfStockIssuanceCosts

us-gaap:PaymentsToAcquireEquityMethodInvestments
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:SubsequentEventType
us-gaap:PaymentsToAcquireInterestInSubsidiariesAndAffiliates
us-gaap:SubsidiarySaleOfStock
us-gaap:ProceedsFromIssuanceOfCommonStock

us-gaap:ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt

us-gaap:ProceedsFromStockOptionsExercised

us-gaap:ProceedsFromStockPlans
us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:TypeOfArrangement
us-gaap:RecoveryOfDirectCosts
us-gaap:RelatedPartyTransaction, us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:RelatedPartyCosts
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate
us-gaap:Range, us-gaap:AwardType
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice
us-gaap:AwardType
us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedWeightedAverageGrantDateFairValue

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1
us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueEmployeeStockPurchasePlan
us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised
us-gaap:StatementEquityComponents
us-gaap:RelatedPartyTransaction, us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:SubleaseIncome

us-gaap:VariableLeaseCost

allo:AccruedAndOtherLiabilitiesCurrent

allo:AccruedCompensationAndRelatedBenefitsCurrent

allo:AccruedPropertyAndEquipment

allo:AccruedResearchAndDevelopmentExpenseCurrent
us-gaap:RelatedPartyTransaction, us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:TypeOfArrangement
allo:AggregatePotentialMilestoneReceivable

allo:AllowanceForTenantImprovements

allo:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughTwoYearsFairValue

allo:AvailableForSaleSecuritiesDebtMaturitiesWithinThreeYearFairValue

allo:CashEquivalentsAndShortTermInvestments
us-gaap:CounterpartyName
allo:CollaborationAgreementUpfrontPayment
us-gaap:CounterpartyName, us-gaap:BalanceSheetLocation, us-gaap:TypeOfArrangement
us-gaap:CounterpartyName, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:TypeOfArrangement

allo:DeferredTaxAssetsLeaseLiabilities

allo:DeferredTaxAssetsNetOfDeferredTaxLiabilities

allo:DeferredTaxLiabilitiesRightOfUseLeased

allo:LesseeFinanceLeasePaymentUponContractTermination

allo:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFour

allo:LesseeOperatingLeaseLiabilityPaymentsDueYearFiveAndAfterYearFive
us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:TypeOfArrangement
allo:OtherCurrentAssets
us-gaap:AwardType
allo:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndExpectedToVestAggregateIntrinsicValue
us-gaap:AwardType
allo:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice

allo:TenantImprovementAllowance

allo:UnvestedSharesLiabilitiesCurrent
us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:TypeOfArrangement
us-gaap:AccountsReceivableNet
us-gaap:BalanceSheetLocation, us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:AccountsReceivableRelatedPartiesCurrent

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

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
us-gaap:InvestmentType

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
us-gaap:InvestmentType

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis
us-gaap:InvestmentType

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue

us-gaap:AvailableForSaleSecuritiesDebtSecurities
us-gaap:InvestmentType

us-gaap:AvailableForSaleSecuritiesDebtSecuritiesCurrent

us-gaap:AvailableForSaleSecuritiesDebtSecuritiesNoncurrent

us-gaap:CapitalizedComputerSoftwareGross

us-gaap:CashCashEquivalentsAndShortTermInvestments

us-gaap:CashEquivalentsAtCarryingValue

us-gaap:DebtSecuritiesAvailableForSaleAccruedInterestAfterAllowanceForCreditLoss

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPosition

us-gaap:DeferredCompensationShareBasedArrangementsLiabilityCurrent

us-gaap:DeferredCompensationSharebasedArrangementsLiabilityClassifiedNoncurrent
us-gaap:AwardType

us-gaap:DeferredFinanceCostsNet

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredTaxAssetsGoodwillAndIntangibleAssets

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsInvestments

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsTaxCreditCarryforwards

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment
us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:TypeOfArrangement
us-gaap:DueFromRelatedParties
us-gaap:AwardType
us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
allo:EquityInvestmentBasis, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:EquityMethodInvestmentOwnershipPercentage
dei:LegalEntity, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:SubsequentEventType

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear

us-gaap:LettersOfCreditOutstandingAmount

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

us-gaap:OtherLongTermInvestments

us-gaap:PurchaseCommitmentRemainingMinimumAmountCommitted

us-gaap:RestrictedCashNoncurrent
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
us-gaap:Range, us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExercisePrice
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue
us-gaap:AwardType
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice
us-gaap:AwardType
us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueNonvested
us-gaap:AwardType
us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1
us-gaap:IncomeTaxAuthority, us-gaap:TaxPeriod
us-gaap:TaxCreditCarryforwardAmount

Plots across concepts


IncomeStatement
Comprehensive Income Net Of Tax
Balance Sheet
Operating Lease Right Of Use Asset
Assets
Operating Lease Right Of Use Asset
Current Assets
Prepaid Expense And Other Assets Current
NonCurrent Assets
Other Assets Noncurrent
PropertyPlantAndEquipmentNet
Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
Liabilities
Liabilities Current
Current Liabilities
Contract With Customer Liability Current
Stockholders Equity
Retained Earnings Accumulated Deficit
CashFlow
Net Income Loss
NetCashProvidedByUsedInOperatingActivities
Net Income Loss
NetCashProvidedByUsedInInvestingActivities
Payments To Acquire Property Plant And Equipment
Shares
Weighted Average Number Of Share Outstanding Basic And Diluted
OperatingLeaseLiability
Operating Lease Liability Current
NonoperatingIncomeExpense
Nonoperating Income Expense
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Payments Remainder Of Fiscal Year

Tables

  2021-06-302021-03-31
us-gaap:CommonStockValue █▁0.1420.141
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding 134.826805NA
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic 134.826805NA
us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted NA132.165014
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount NA21.900607
 us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities allo:EarlyExerciseOfStockOptionsNA1.42335
 us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities allo:FounderSharesOfCommonStockNA6.057696
 us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities us-gaap:EmployeeStockNA0.258986
 us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities us-gaap:EmployeeStockOptionNA11.107162
 us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities us-gaap:RestrictedStockUnitsRSUNA3.053413
us-gaap:EarningsPerShareBasicAndDiluted NA-0.25
  2021-06-302021-03-31
  2021-06-302021-03-31
  2021-06-302021-03-31
us-gaap:AllocatedShareBasedCompensationExpense █▁21.13416.792
us-gaap:ComprehensiveIncomeNetOfTax ▁█-71.169-33.384
us-gaap:GeneralAndAdministrativeExpense █▁18.78316.363
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest NANA
us-gaap:NetIncomeLoss ▁█-70.936-33.015
 us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents us-gaap:RetainedEarnings▁█-70.936-33.015
us-gaap:NonoperatingIncomeExpense ▁█0.0930.186
us-gaap:OperatingExpenses ▁█71.07371.546
us-gaap:OperatingIncomeLoss ▁█-71.029-33.201
us-gaap:OtherNonoperatingIncomeExpense █▁0.6240.511
us-gaap:ProfitLoss ▁█-70.936-33.015
us-gaap:ResearchAndDevelopmentExpense ▁█52.2955.183
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax ▁█0.04438.345
  2021-06-302021-03-31
  2021-06-302021-03-31
us-gaap:Assets ▁█1126.7241179.044
us-gaap:Liabilities ▁█102.912109.265
us-gaap:LiabilitiesAndStockholdersEquity ▁█1126.7241179.044
us-gaap:StockholdersEquity ▁█1023.8121069.779
  2021-06-302021-03-31
us-gaap:AssetsCurrent ▁█602.171716.061
us-gaap:CashAndCashEquivalentsAtCarryingValue ▁█223.503236.865
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents ▁█232.952246.314
us-gaap:ShortTermInvestments NANA
us-gaap:PrepaidExpenseAndOtherAssetsCurrent ▁█14.46416.48
  2021-06-302021-03-31
us-gaap:PropertyPlantAndEquipmentGross █▁142.249137.971
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment █▁16.7914.825
us-gaap:AmortizationOfIntangibleAssets NANA
us-gaap:PropertyPlantAndEquipmentNet █▁125.459123.146
us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures ▁█18.81919.351
us-gaap:OperatingLeaseRightOfUseAsset ▁█39.47440.189
us-gaap:OtherAssetsNoncurrent ▁█5.8296.275
  2021-06-302021-03-31
us-gaap:AccountsPayableCurrent ▁█11.00514.875
us-gaap:ContractWithCustomerLiabilityCurrent █▁0.3050.239
us-gaap:LiabilitiesCurrent ▁█45.99854.849
us-gaap:OperatingLeaseLiabilityCurrent █▁3.1473.061
us-gaap:OtherLiabilitiesCurrent NANA
  2021-06-302021-03-31
us-gaap:OtherLiabilitiesNoncurrent █▁5.7052.791
us-gaap:OperatingLeaseLiabilityNoncurrent ▁█51.20951.625
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo ▄▄8.1688.168
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree ▄▄8.438.43
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour ▄▄8.5098.509
  2021-06-302021-03-31
us-gaap:StockholdersEquity ▁█1023.8121069.779
us-gaap:CommonStockValue █▁0.1420.141
us-gaap:AdditionalPaidInCapitalCommonStock █▁1774.2981749.097
us-gaap:RetainedEarningsAccumulatedDeficit ▁█-750.294-679.358
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▁█-0.334-0.101
 us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementEquityComponents,us-gaap:SubsidiarySaleOfStock us-gaap:AdditionalPaidInCapital,allo:AtTheMarketOfferingNANA
 us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementEquityComponents,us-gaap:SubsidiarySaleOfStock us-gaap:AdditionalPaidInCapital,allo:PublicOfferingNANA
 us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementEquityComponents,us-gaap:SubsidiarySaleOfStock us-gaap:CommonStock,allo:PublicOfferingNANA
 us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:SubsidiarySaleOfStock allo:AtTheMarketOfferingNANA
 us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:SubsidiarySaleOfStock allo:PublicOfferingNANA
us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue █▁21.13416.792
  2021-06-302021-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities █▁-41.17-49.328
us-gaap:NetCashProvidedByUsedInInvestingActivities ▁█24.59496.798
us-gaap:NetCashProvidedByUsedInFinancingActivities ▁█3.2146.044
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▁█-13.36253.514
  2021-06-302021-03-31
us-gaap:IncreaseDecreaseInAccountsPayable ▁█-3.0644.152
us-gaap:NetCashProvidedByUsedInOperatingActivities █▁-41.17-49.328
us-gaap:NetIncomeLoss ▁█-70.936-33.015
 us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents us-gaap:RetainedEarnings▁█-70.936-33.015
us-gaap:ProfitLoss ▁█-70.936-33.015
us-gaap:ShareBasedCompensation █▁21.13416.792
  2021-06-302021-03-31
us-gaap:NetCashProvidedByUsedInInvestingActivities ▁█24.59496.798
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment █▁10.9026.461
us-gaap:PaymentsToAcquireInvestments █▁180.327149.052
  2021-06-302021-03-31
us-gaap:NetCashProvidedByUsedInFinancingActivities ▁█3.2146.044
  2021-06-302021-03-31

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value142000.0141000.0140000.0140000.0139000.0125000.0124000.0122000.0122000.0121000.0121000.05905.54953.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.0

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-06-302020-06-30
Value134115
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


Weighted
Period End2021-06-302020-06-30
Value134115
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0

Weighted Average Number Of Share Outstanding Basic And Diluted

us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted

us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted


Weighted
Period End2021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-31
Value13212711510810299974.0604193.0787832626
Percentage of WeightedAverageNumberOfShareOutstandingBasicAndDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount


Antidilutive
Period End2021-03-312020-03-312019-03-312018-09-302018-03-312017-12-31
Value2129331018100.00.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.0100.00.00.0

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities

allo:EarlyExerciseOfStockOptions


Antidilutive
Period End2021-03-312020-03-312019-03-312018-09-302018-03-312017-12-31
Value1.423352.6785015.0205850200.00.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount6.59.215.04.90.00.0

allo:FounderSharesOfCommonStock


Antidilutive
Period End2021-03-312020-03-312019-03-312018-09-302018-03-312017-12-31
Value6.0576961218212010.00.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount27.741.554.220.80.00.0

us-gaap:EmployeeStock


Antidilutive
Period End2021-03-312020-03-312019-03-31
Value0.2589860.2264590.265455
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount1.20.80.8

us-gaap:EmployeeStockOption


Antidilutive
Period End2021-03-312020-03-312019-03-312018-09-302018-03-312017-12-31
Value11118.93955660750.00.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount50.739.826.76.00.00.0

us-gaap:RestrictedStockUnitsRSU


Antidilutive
Period End2021-03-312020-03-312019-03-312018-03-312017-12-31
Value3.0534132.5346711.1020280.00.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount13.98.73.30.00.0

Earnings Per Share Basic And Diluted

us-gaap:EarningsPerShareBasicAndDiluted

us-gaap:EarningsPerShareBasicAndDiluted


Earnings
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value-0.25-0.53-0.52-0.53-0.5-0.58-0.5-0.41-0.32-0.37-10.71-43.82-0.10
Percentage of EarningsPerShareBasicAndDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

Allocated Share Based Compensation Expense

us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:AllocatedShareBasedCompensationExpense


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value2116161716141312117.8675.8714.6398.056
Percentage of AllocatedShareBasedCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax48031.843.80.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AllocatedShareBasedCompensationExpense us-gaap:IncomeStatementLocation

us-gaap:GeneralAndAdministrativeExpense


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value108.8728.6098.9948.7917.5587.4577.3016.745.1354.6564.2128.043
Percentage of AllocatedShareBasedCompensationExpense50.352.852.350.552.453.253.756.958.765.379.390.899.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax24165.923.10.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:GeneralAndAdministrativeExpense0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ResearchAndDevelopmentExpense


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value107.927.8448.8297.9796.6576.4175.5334.7472.7321.2150.4270.013
Percentage of AllocatedShareBasedCompensationExpense49.747.247.749.547.646.846.343.141.334.720.79.20.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax23865.920.70.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ResearchAndDevelopmentExpense0.00.00.00.00.00.00.00.00.00.00.00.00.0

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value-71169000.0-33384000.0-69255000.0-67074000.0-60754000.0-54015000.0-61751000.0-51030000.0-40487000.0-30487000.0-30055000.0-43645000.0-134900000.0-2597000.0-2000.0
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-161747.7-87.10.00.00.00.00.00.00.00.00.00.00.00.00.0

General And Administrative Expense

us-gaap:GeneralAndAdministrativeExpense

us-gaap:GeneralAndAdministrativeExpense


General
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value181617161515151514131411122.5970.002
Percentage of GeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax42688.642.70.00.00.00.00.00.00.00.00.00.00.00.00.0

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

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest


Income
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value-68570000.0-66197000.0-60974000.0-54480000.0-61185000.0-50702000.0-41402000.0-31636000.0-30626000.0-43497000.0-134900000.0-2597000.0-2000.0
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value-70936000.0-33015000.0-68570000.0-66197000.0-60974000.0-54480000.0-61030000.0-50735000.0-41243000.0-31586000.0-30509000.0-43497000.0-134900000.0-2597000.0-2000.0
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-161218.2-86.10.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value-70936000.0-33015000.0-68570000.0-66197000.0-60974000.0-54480000.0-61030000.0-50735000.0-41243000.0-31586000.0-30509000.0-43497000.0-134900000.0-2597000.0-2000.0
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-161218.2-86.10.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Nonoperating Income Expense

us-gaap:NonoperatingIncomeExpense

us-gaap:NonoperatingIncomeExpense


Nonoperating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value0.0930.1860.7921.8432.1843.2033.394.3094.5594.8252.42-21.310.0
Percentage of NonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax211.40.50.00.00.00.00.00.00.00.00.00.00.0

Operating Expenses

us-gaap:OperatingExpenses

us-gaap:OperatingExpenses


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value7171696863576455453633221352.5970.002
Percentage of OperatingExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax161529.5186.60.00.00.00.00.00.00.00.00.00.00.00.00.0

Operating Income Loss

us-gaap:OperatingIncomeLoss

us-gaap:OperatingIncomeLoss


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value-71.029-33.201-69.362-68.04-63.158-57.683-64.575-55.011-45.961-36.46133-22.1871352.597-0.002
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-161429.5-86.60.00.00.00.00.00.00.00.00.00.00.00.00.0

Other Nonoperating Income Expense

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:OtherNonoperatingIncomeExpense


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value0.6240.5111.5582.0052.343.2613.6584.3094.5594.8254.2161.4630.110.0
Percentage of OtherNonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1418.21.30.00.00.00.00.00.00.00.00.00.00.00.0

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value-70936000.0-33015000.0-68570000.0-66197000.0-60974000.0-54480000.0-61030000.0-50735000.0-41243000.0-31586000.0-30509000.0-43497000.0-134900000.0-2597000.0-2000.0
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-161218.2-86.10.00.00.00.00.00.00.00.00.00.00.00.00.0

Research And Development Expense

us-gaap:ResearchAndDevelopmentExpense

us-gaap:ResearchAndDevelopmentExpense


Research
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value5255525147424939312318101220.0
Percentage of ResearchAndDevelopmentExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax118840.9143.90.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ResearchAndDevelopmentExpense us-gaap:RelatedPartyTransaction, us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:TypeOfArrangement

allo:PreClinicalDevelopmentMilestone, allo:CellectisSA, allo:ResearchCollaborationAndLicenseAgreement


Research
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.05.00.00.00.05.00.00.0
Percentage of ResearchAndDevelopmentExpense0.09.10.00.00.012.50.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.013.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax allo:PreClinicalDevelopmentMilestone allo:CellectisSA allo:ResearchCollaborationAndLicenseAgreement0.00.00.00.00.00.00.00.0

Revenue From Contract With Customer Excluding Assessed Tax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax


Revenue
Period End2021-06-302021-03-31
Value0.04438
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:CounterpartyName

allo:OverlandPharmaceuticalsInc


Revenue
Period End2021-06-30
Value0.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax227.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax227.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax allo:OverlandPharmaceuticalsInc100.0

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value11261179122712221258688717695733749773
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Liabilities

us-gaap:Liabilities

us-gaap:Liabilities


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value102109148103958288757868701920.002
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets9.19.312.18.57.611.912.410.910.79.19.10.00.0

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value11261179122712221258688717695733749773
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-11-29
Value10231069107911181163606629619655681703-168.443-129.44-2.594-0.0020.0
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets90.990.787.991.592.488.187.689.189.390.990.90.00.00.00.00.0

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-11-29
Value-0.334-0.1010.2680.9531.831.611.1451.8662.1611.4050.306-0.1480.00.00.00.0
Percentage of StockholdersEquity-0.0-0.00.00.10.20.30.20.30.30.20.00.1-0.0-0.0-0.00.0
Percentage of Assets-0.0-0.00.00.10.10.20.20.30.30.20.00.00.00.00.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-11-29
Value1774174917251695167310551023952937922914128.0540.00.00.0
Percentage of StockholdersEquity173.3163.5159.8151.5143.8174.0162.8153.8143.0135.5130.0-7.5-6.2-0.0-0.00.0
Percentage of Assets157.5148.3140.5138.7132.9153.3142.6137.0127.8123.1118.10.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-11-29
Value0.1420.1410.140.140.1390.1250.1240.1220.1220.1210.1210.0310.0280.0260.0260.0
Percentage of StockholdersEquity0.00.00.00.00.00.00.00.00.00.00.0-0.0-0.0-1.0-1300.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-11-29
Value-750.294-679.358-646.343-577.773-511.576-450.602-396.122-335.092-284.357-243.114-211.528-181.019-137.522-2.62-0.0230.0
Percentage of StockholdersEquity-73.3-63.5-59.9-51.6-44.0-74.3-63.0-54.1-43.4-35.7-30.1107.5106.2101.01150.00.0
Percentage of Assets-66.6-57.6-52.6-47.3-40.6-65.4-55.2-48.2-38.7-32.4-27.30.00.00.00.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Assets Current

us-gaap:AssetsCurrent

us-gaap:AssetsCurrent


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value602716845854909504544509511476467
Percentage of AssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets53.460.768.869.972.373.375.973.369.763.660.5

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value2232361831582801351751601129292
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets19.820.114.912.922.319.724.423.115.312.411.9

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-11-29
Value2322461921672841401791651169793841430.0050.00.0
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0
Percentage of Assets20.720.915.713.722.620.425.023.815.913.012.10.00.00.00.00.0

Short Term Investments

us-gaap:ShortTermInvestments

us-gaap:ShortTermInvestments


Short
Period End2020-12-312020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value644357355340389373366
Percentage of ShortTermInvestments100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets52.551.949.548.953.149.847.4

Prepaid Expense And Other Assets Current

us-gaap:PrepaidExpenseAndOtherAssetsCurrent

us-gaap:PrepaidExpenseAndOtherAssetsCurrent


Prepaid
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value141617139.92711148.5139.118108.598
Percentage of PrepaidExpenseAndOtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.31.41.41.10.81.72.01.21.21.41.1

us-gaap:PrepaidExpenseAndOtherAssetsCurrent us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:TypeOfArrangement

allo:Servier, allo:LicenseAndCollaborationAgreement


Prepaid
Period End2021-03-312020-03-31
Value3.91.0
Percentage of PrepaidExpenseAndOtherAssetsCurrent23.78.7
Percentage of Assets0.30.1
Percentage of Assets allo:Servier allo:LicenseAndCollaborationAgreement0.00.0

Property Plant And Equipment Gross

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:PropertyPlantAndEquipmentGross


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value1421371311139373614938229.643
Percentage of PropertyPlantAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets12.611.710.79.37.510.78.67.15.22.91.2

us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType

allo:ComputerEquipmentAndPurchasedSoftware


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value4.3594.2714.0883.9923.7832.8043.7263.4963.3241.9621.327
Percentage of PropertyPlantAndEquipmentGross3.13.13.13.54.03.86.07.08.78.913.8
Percentage of Assets0.40.40.30.30.30.40.50.50.50.30.2
Percentage of Assets allo:ComputerEquipmentAndPurchasedSoftware0.00.00.00.00.00.00.00.00.00.00.0

allo:LaboratoryEquipment


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value27252321181313119.4537.4175.534
Percentage of PropertyPlantAndEquipmentGross19.018.218.118.820.018.921.223.324.633.757.4
Percentage of Assets2.42.11.91.71.52.01.81.71.31.00.7
Percentage of Assets allo:LaboratoryEquipment0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ConstructionInProgress


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value75736854363.774126.77823112.703
Percentage of PropertyPlantAndEquipmentGross53.153.252.347.639.45.120.013.661.153.228.0
Percentage of Assets6.76.25.64.42.90.51.71.03.21.60.3
Percentage of Assets us-gaap:ConstructionInProgress0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:FurnitureAndFixtures


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value3.6993.7313.3882.782.78212.7642.6382.0260.7990.064
Percentage of PropertyPlantAndEquipmentGross2.62.72.62.43.029.44.55.35.33.60.7
Percentage of Assets0.30.30.30.20.23.10.40.40.30.10.0
Percentage of Assets us-gaap:FurnitureAndFixtures0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:LeaseholdImprovements


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value31313131313129250.1260.1270.015
Percentage of PropertyPlantAndEquipmentGross22.222.823.927.733.642.848.350.80.30.60.2
Percentage of Assets2.82.72.62.62.54.64.23.60.00.00.0
Percentage of Assets us-gaap:LeaseholdImprovements0.00.00.00.00.00.00.00.00.00.00.0

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value161412119.2537.3655.4723.7682.5911.5921.048
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.51.31.10.90.71.10.80.50.40.20.1

Amortization Of Intangible Assets

us-gaap:AmortizationOfIntangibleAssets

us-gaap:AmortizationOfIntangibleAssets


Amortization
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value000151000.0151000.0151000.0150000.0151000.0150000.0151000.0151000.000
Percentage of AmortizationOfIntangibleAssets0.00.00.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.0

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:PropertyPlantAndEquipmentNet


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value1251231181028466564535208.595
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets11.110.49.78.46.79.67.96.64.92.71.1

Investments In Affiliates Subsidiaries Associates And Joint Ventures

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures


Investments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value18193.7384.5164.6774.8294.8920.0
Percentage of InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets1.71.60.30.40.40.70.70.0

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

allo:NotchTherapeuticsInc


Investments
Period End2020-12-312020-09-302020-06-302019-12-312019-11-01
Value3.74.54.74.95.0
Percentage of InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures99.099.6100.5100.20.0
Percentage of Assets0.30.40.40.70.0
Percentage of Assets allo:NotchTherapeuticsInc0.00.00.00.00.0

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value3940414142434431313233
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.53.43.43.43.46.46.24.54.34.34.3

us-gaap:OperatingLeaseRightOfUseAsset us-gaap:StatementGeographical, us-gaap:RelatedPartyTransactionsByRelatedParty

stpr:CA, allo:BellcoCapitalLLC


Operating
Period End2020-12-312019-12-312018-12-31
Value0.10.10.2
Percentage of OperatingLeaseRightOfUseAsset0.20.20.6
Percentage of Assets0.00.00.0
Percentage of Assets stpr:CA allo:BellcoCapitalLLC0.00.00.0

Other Assets Noncurrent

us-gaap:OtherAssetsNoncurrent

us-gaap:OtherAssetsNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value5829000.06275000.05169000.02274000.02160000.04675000.04618000.03105000.02238000.0432000.0244000.0
Percentage of OtherAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.50.50.40.20.20.70.60.40.30.10.0

Accounts Payable Current

us-gaap:AccountsPayableCurrent

us-gaap:AccountsPayableCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value111410109.0577.1999.258.047231212
Percentage of AccountsPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.01.30.80.80.71.01.31.23.21.71.6

Contract With Customer Liability Current

us-gaap:ContractWithCustomerLiabilityCurrent

us-gaap:ContractWithCustomerLiabilityCurrent


Contract
Period End2021-06-302021-03-312020-12-31
Value0.3050.23938
Percentage of ContractWithCustomerLiabilityCurrent100.0100.0100.0
Percentage of Assets0.00.03.2

Liabilities Current

us-gaap:LiabilitiesCurrent

us-gaap:LiabilitiesCurrent


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value45549450402633333827291590.002
Percentage of LiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.14.77.74.13.23.94.64.85.23.63.80.00.0

Operating Lease Liability Current

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OperatingLeaseLiabilityCurrent


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value3147000.03061000.02974000.02873000.02395000.01807000.01679000.0
Percentage of OperatingLeaseLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.30.30.20.20.20.30.2

Other Liabilities Current

us-gaap:OtherLiabilitiesCurrent

us-gaap:OtherLiabilitiesCurrent


Other
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value4791000.03018000.01969000.02254000.01398000.0612000.02000.0
Percentage of OtherLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.40.40.30.30.20.10.0

Other Liabilities Noncurrent

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OtherLiabilitiesNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value5705000.02791000.03083000.02793000.03163000.03650000.04351000.04785000.05495000.06065000.06776000.0
Percentage of OtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.50.20.30.20.30.50.60.70.70.80.9

Operating Lease Liability Noncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value5151505051515137343434
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.54.44.14.24.17.57.25.44.84.64.5

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value8168000.08168000.07917000.07922000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0100.0100.0100.0
Percentage of Assets0.70.70.60.6

Lessee Operating Lease Liability Payments Due Year Three

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value8430000.08430000.08168000.08173000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0100.0100.0100.0
Percentage of Assets0.70.70.70.7

Lessee Operating Lease Liability Payments Due Year Four

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value8509000.08509000.08430000.08435000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0100.0100.0100.0
Percentage of Assets0.80.70.70.7

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value54545353535353
Percentage of OperatingLeaseLiability100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.84.64.44.44.27.77.4

us-gaap:OperatingLeaseLiability us-gaap:RelatedPartyTransaction, us-gaap:RelatedPartyTransactionsByRelatedParty

allo:SubleaseAgreement, allo:BellcoCapitalLLC


Operating
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value0.10.10.10.10.10.2
Percentage of OperatingLeaseLiability0.20.20.20.20.20.4
Percentage of Assets0.00.00.00.00.00.0
Percentage of Assets allo:SubleaseAgreement allo:BellcoCapitalLLC0.00.00.00.00.00.0

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value84868789
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0100.0100.0100.0
Percentage of Assets7.57.37.17.3

Lessee Operating Lease Liability Undiscounted Excess Amount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value30313233
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0100.0100.0100.0
Percentage of Assets2.72.62.62.7

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-11-29
Value10231069107911181163606629619655681703-168.443-129.44-2.594-0.0020.0
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets90.990.787.991.592.488.187.689.189.390.990.90.00.00.00.00.0

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-11-29
Value-0.334-0.1010.2680.9531.831.611.1451.8662.1611.4050.306-0.1480.00.00.00.0
Percentage of StockholdersEquity-0.0-0.00.00.10.20.30.20.30.30.20.00.1-0.0-0.0-0.00.0
Percentage of Assets-0.0-0.00.00.10.10.20.20.30.30.20.00.00.00.00.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-11-29
Value1774174917251695167310551023952937922914128.0540.00.00.0
Percentage of StockholdersEquity173.3163.5159.8151.5143.8174.0162.8153.8143.0135.5130.0-7.5-6.2-0.0-0.00.0
Percentage of Assets157.5148.3140.5138.7132.9153.3142.6137.0127.8123.1118.10.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-11-29
Value0.1420.1410.140.140.1390.1250.1240.1220.1220.1210.1210.0310.0280.0260.0260.0
Percentage of StockholdersEquity0.00.00.00.00.00.00.00.00.00.00.0-0.0-0.0-1.0-1300.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-11-29
Value-750.294-679.358-646.343-577.773-511.576-450.602-396.122-335.092-284.357-243.114-211.528-181.019-137.522-2.62-0.0230.0
Percentage of StockholdersEquity-73.3-63.5-59.9-51.6-44.0-74.3-63.0-54.1-43.4-35.7-30.1107.5106.2101.01150.00.0
Percentage of Assets-66.6-57.6-52.6-47.3-40.6-65.4-55.2-48.2-38.7-32.4-27.30.00.00.00.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value142000.0141000.0140000.0140000.0139000.0125000.0124000.0122000.0122000.0121000.0121000.05905.54953.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.0

Additional Paid In Capital Common Stock

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:AdditionalPaidInCapitalCommonStock


Additional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value1774174917251695167310551023952937922914
Percentage of AdditionalPaidInCapitalCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets157.5148.3140.5138.7132.9153.3142.6137.0127.8123.1118.1

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value-750290000.0-679360000.0-646340000.0-577770000.0-511580000.0-450600000.0-396120000.0-335090000.0-284400000.0-243110000.0-211530000.0-181020000.0-23000.0
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-66.6-57.6-52.6-47.3-40.6-65.4-55.2-48.2-38.7-32.4-27.30.00.0

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value-334000.0-101000.0268000.0953000.01830000.01610000.01145000.01866000.02161000.01405000.0306000.0
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-0.0-0.00.00.10.10.20.20.30.30.20.0

Stock Issued During Period Value New Issues

us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementEquityComponents, us-gaap:SubsidiarySaleOfStock

us-gaap:StockIssuedDuringPeriodValueNewIssues

us-gaap:AdditionalPaidInCapital, allo:AtTheMarketOffering


Stock
Period End2020-12-312020-09-30
Value110.0
Percentage of StockIssuedDuringPeriodValueNewIssues100.00.0
Percentage of Assets0.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital allo:AtTheMarketOffering0.00.0

us-gaap:AdditionalPaidInCapital, allo:PublicOffering


Stock
Period End2020-09-302020-06-30
Value0.0595
Percentage of StockIssuedDuringPeriodValueNewIssues0.00.0
Percentage of Assets0.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital allo:PublicOffering0.00.0

us-gaap:CommonStock, allo:PublicOffering


Stock
Period End2020-09-302020-06-30
Value0.00.013
Percentage of StockIssuedDuringPeriodValueNewIssues0.00.0
Percentage of Assets0.00.0
Percentage of Assets us-gaap:CommonStock allo:PublicOffering0.00.0

us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:SubsidiarySaleOfStock

allo:AtTheMarketOffering


Stock
Period End2020-12-312020-09-30
Value110.0
Percentage of StockIssuedDuringPeriodValueNewIssues100.00.0
Percentage of Assets0.00.0
Percentage of Assets allo:AtTheMarketOffering0.00.0

allo:PublicOffering


Stock
Period End2020-09-302020-06-30
Value0.0595
Percentage of StockIssuedDuringPeriodValueNewIssues0.00.0
Percentage of Assets0.00.0
Percentage of Assets allo:PublicOffering0.00.0

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

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value2116161716141312117.8675.8714.6398.056
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value2116161716141312117.8675.8714.6398.056
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value-41170000.0-49328000.0-9975000.0-37588000.0-26721000.0-40809000.0-50267000.0-31935000.0-24892000.0-30256000.0-21481000.0-17130000.0-6047000.05000.00
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-93568.2-128.60.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value249622-83.355-428.971-15.0077.929784432-313.388-316.776-2.6340.00.0
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax55895.5252.40.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value3.2146.044123.85260016561.5660.2360.6843442741520.00.0
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7304.515.80.00.00.00.00.00.00.00.00.00.00.00.00.0

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

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value-13.3625325-117.091144-39.231448193.3169.653-59.8491430.0050.0
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-30368.2139.60.00.00.00.00.00.00.00.00.00.00.00.00.0

Increase Decrease In Accounts Payable

us-gaap:IncreaseDecreaseInAccountsPayable

us-gaap:IncreaseDecreaseInAccountsPayable


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value-3064000.04152000.0-1066000.02184000.0541000.0-1044000.02152000.0-4469000.01680000.0-348000.05717000.01815000.01268000.000
Percentage of IncreaseDecreaseInAccountsPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value-41170000.0-49328000.0-9975000.0-37588000.0-26721000.0-40809000.0-50267000.0-31935000.0-24892000.0-30256000.0-21481000.0-17130000.0-6047000.05000.00
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-93568.2-128.60.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value-70936000.0-33015000.0-68570000.0-66197000.0-60974000.0-54480000.0-61030000.0-50735000.0-41243000.0-31586000.0-30509000.0-43497000.0-134900000.0-2597000.0-2000.0
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-161218.2-86.10.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value-70936000.0-33015000.0-68570000.0-66197000.0-60974000.0-54480000.0-61030000.0-50735000.0-41243000.0-31586000.0-30509000.0-43497000.0-134900000.0-2597000.0-2000.0
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-161218.2-86.10.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value-70936000.0-33015000.0-68570000.0-66197000.0-60974000.0-54480000.0-61030000.0-50735000.0-41243000.0-31586000.0-30509000.0-43497000.0-134900000.0-2597000.0-2000.0
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-161218.2-86.10.00.00.00.00.00.00.00.00.00.00.00.00.0

Share Based Compensation

us-gaap:ShareBasedCompensation

us-gaap:ShareBasedCompensation


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value2116161716141312117.8675.8714.6398.0560.00.0
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value249622-83.355-428.971-15.0077.929784432-313.388-316.776-2.6340.00.0
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax55895.5252.40.00.00.00.00.00.00.00.00.00.00.00.00.0

Payments To Acquire Property Plant And Equipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value106.4611720161214187.856101.3211.3770.5360.00.0
Percentage of PaymentsToAcquirePropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0

Payments To Acquire Investments

us-gaap:PaymentsToAcquireInvestments

us-gaap:PaymentsToAcquireInvestments


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
Value180149182213519123896149523333150.00.00.0
Percentage of PaymentsToAcquireInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value3.2146.044123.85260016561.5660.2360.6843442741520.00.0
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7304.515.80.00.00.00.00.00.00.00.00.00.00.00.00.0

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

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

allo:TwoThousandEighteenPlan


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312018-09-302017-12-31
Value20.9220.5717.7317.1216.2815.5614.517.724.040
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

Unrecognized Tax Benefits

us-gaap:UnrecognizedTaxBenefits

us-gaap:UnrecognizedTaxBenefits


Unrecognized
Period End2020-12-312019-12-312018-12-312017-12-312017-11-30
Value6161000.03148000.0920000.000
Percentage of UnrecognizedTaxBenefits100.0100.0100.00.00.0

Deferred Tax Assets Valuation Allowance

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:DeferredTaxAssetsValuationAllowance


Deferred
Period End2020-12-312019-12-312018-12-31
Value1649141
Percentage of DeferredTaxAssetsValuationAllowance100.0100.0100.0

allo:AggregatePotentialMilestonePayments us-gaap:CounterpartyName, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:TypeOfArrangement

allo:AggregatePotentialMilestonePayments

allo:OverlandPharmaceuticalsInc, allo:AllogeneOverland, us-gaap:CorporateJointVenture


Aggregate
Period End2020-12-14
Value40
Percentage of AggregatePotentialMilestonePayments100.0

allo:AggregatePotentialMilestonePayments us-gaap:Range, us-gaap:RelatedPartyTransaction, us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:TypeOfArrangement

srt:Maximum, allo:ClinicalRegulatoryAndCommercialMilestone, allo:NotchTherapeuticsInc, allo:LicenseAndCollaborationAgreement


Aggregate
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value0.02830.00.00.0283
Percentage of AggregatePotentialMilestonePayments0.00.00.00.00.00.0

srt:Maximum, allo:PreClinicalDevelopmentMilestone, allo:NotchTherapeuticsInc, allo:LicenseAndCollaborationAgreement


Aggregate
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value0.04.00.00.00.04.0
Percentage of AggregatePotentialMilestonePayments0.00.00.00.00.00.0

allo:CapitalizedSoftwareCostsIncurredNotYetPaid

allo:CapitalizedSoftwareCostsIncurredNotYetPaid


Capitalized
Period End2021-03-31
Value277000.0
Percentage of CapitalizedSoftwareCostsIncurredNotYetPaid100.0

allo:CashReceivedForAmountsRelatedToTenantImprovementAllowances

allo:CashReceivedForAmountsRelatedToTenantImprovementAllowances


Cash
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value704000.01085000.0532000.02934000.000
Percentage of CashReceivedForAmountsRelatedToTenantImprovementAllowances100.0100.0100.0100.00.00.0

allo:CollaborationAgreementCommittedFunding us-gaap:CounterpartyName

allo:CollaborationAgreementCommittedFunding

allo:UniversityOfTexasMDAndersonCancerCenter


Collaboration
Period End2020-10-06
Value15
Percentage of CollaborationAgreementCommittedFunding100.0

allo:CollaborationAgreementCommittedFunding us-gaap:CounterpartyName, us-gaap:SubsequentEventType

allo:UniversityOfTexasMDAndersonCancerCenter, us-gaap:SubsequentEvent


Collaboration
Period End2020-10-06
Value15
Percentage of CollaborationAgreementCommittedFunding100.0

allo:CollaborationArrangementExpense us-gaap:CounterpartyName, us-gaap:IncomeStatementLocation

allo:CollaborationArrangementExpense

allo:UniversityOfTexasMDAndersonCancerCenter, us-gaap:ResearchAndDevelopmentExpense


Collaboration
Period End2021-06-30
Value300000.0
Percentage of CollaborationArrangementExpense100.0

allo:CollaborationArrangementExpense us-gaap:IncomeStatementLocation

us-gaap:ResearchAndDevelopmentExpense


Collaboration
Period End2021-03-312020-09-302020-06-302020-03-31
Value1200000.01200000.0400000.0300000.0
Percentage of CollaborationArrangementExpense0.00.00.00.0

allo:CollaborationArrangementExpense us-gaap:IncomeStatementLocation, us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:ResearchAndDevelopmentExpense, allo:NotchTherapeuticsInc


Collaboration
Period End2021-06-302020-06-30
Value1800000.0400000.0
Percentage of CollaborationArrangementExpense600.00.0

allo:IncomeLossFromCostMethodInvestment

allo:IncomeLossFromCostMethodInvestment


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-06-302019-03-312017-12-31
Value-532000.0-325000.0-778000.0-161000.0-151000.0-64000.0000
Percentage of IncomeLossFromCostMethodInvestment100.0100.0100.0100.0100.0100.00.00.00.0

allo:JointVentureCapitalSupportPayments us-gaap:CounterpartyName, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:TypeOfArrangement

allo:JointVentureCapitalSupportPayments

allo:OverlandPharmaceuticalsInc, allo:AllogeneOverland, us-gaap:CorporateJointVenture


Joint
Period End2020-12-14
Value40
Percentage of JointVentureCapitalSupportPayments100.0

allo:JointVentureCapitalSupportPayments us-gaap:CounterpartyName, us-gaap:TypeOfArrangement

allo:OverlandPharmaceuticalsInc, us-gaap:CorporateJointVenture


Joint
Period End2020-12-14
Value40
Percentage of JointVentureCapitalSupportPayments100.0

allo:MilestonePayments us-gaap:CounterpartyName, us-gaap:Range, us-gaap:TypeOfArrangement

allo:MilestonePayments

allo:OverlandPharmaceuticalsInc, srt:Maximum, us-gaap:CorporateJointVenture


Milestone
Period End2020-12-14
Value40
Percentage of MilestonePayments100.0

allo:MilestonePayments us-gaap:CounterpartyName, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:TypeOfArrangement

allo:OverlandPharmaceuticalsInc, allo:AllogeneOverland, us-gaap:CorporateJointVenture


Milestone
Period End2020-12-14
Value40
Percentage of MilestonePayments100.0

allo:MilestonePayments us-gaap:CounterpartyName, us-gaap:TypeOfArrangement

allo:OverlandPharmaceuticalsInc, us-gaap:CorporateJointVenture


Milestone
Period End2020-12-14
Value40
Percentage of MilestonePayments100.0

allo:PercentageOfDevelopmentCostPayableByCollaborationPartner us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:TypeOfArrangement

allo:PercentageOfDevelopmentCostPayableByCollaborationPartner

allo:Servier, allo:LicenseAndCollaborationAgreement


Percentage
Period End2021-06-302021-03-31
Value040.0
Percentage of PercentageOfDevelopmentCostPayableByCollaborationPartner0.0100.0

allo:PercentageOfDevelopmentCostPayableByTheCompany us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:TypeOfArrangement

allo:PercentageOfDevelopmentCostPayableByTheCompany

allo:Servier, allo:LicenseAndCollaborationAgreement


Percentage
Period End2021-06-302021-03-31
Value060.0
Percentage of PercentageOfDevelopmentCostPayableByTheCompany0.0100.0

allo:RecoveryOfResearchAndDevelopmentExpense us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:TypeOfArrangement

allo:RecoveryOfResearchAndDevelopmentExpense

allo:Servier, allo:LicenseAndCollaborationAgreement


Recovery
Period End2020-09-302020-06-30
Value4100000.0900000.0
Percentage of RecoveryOfResearchAndDevelopmentExpense100.0100.0

allo:UpfrontAndQuarterlyCashPayments us-gaap:CounterpartyName, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:TypeOfArrangement

allo:UpfrontAndQuarterlyCashPayments

allo:OverlandPharmaceuticalsInc, allo:AllogeneOverland, us-gaap:CorporateJointVenture


Upfront
Period End2020-12-14
Value117
Percentage of UpfrontAndQuarterlyCashPayments100.0

allo:UpfrontAndQuarterlyCashPayments us-gaap:CounterpartyName, us-gaap:TypeOfArrangement

allo:OverlandPharmaceuticalsInc, us-gaap:CorporateJointVenture


Upfront
Period End2020-12-14
Value117
Percentage of UpfrontAndQuarterlyCashPayments100.0

us-gaap:CapitalExpendituresIncurredButNotYetPaid

us-gaap:CapitalExpendituresIncurredButNotYetPaid


Capital
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value-6.5938.2990.658-0.3894.094.208-1.903-7.0968.5335.1342.9780.1440.060.00.0
Percentage of CapitalExpendituresIncurredButNotYetPaid100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0

us-gaap:Depreciation

us-gaap:Depreciation


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312017-12-31
Value1964000.01918000.01844000.01810000.01888000.01893000.01704000.01177000.0999000.0544000.00
Percentage of Depreciation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities

us-gaap:IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value1.844-4.3142.5519.34610-3.913-1.1597.6173.988-4.095-0.5570.1119.9872.5970.002
Percentage of IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInContractWithCustomerLiability

us-gaap:IncreaseDecreaseInContractWithCustomerLiability


Increase
Period End2021-06-302021-03-31
Value0.066-38.753
Percentage of IncreaseDecreaseInContractWithCustomerLiability100.0100.0

us-gaap:IncreaseDecreaseInOtherNoncurrentAssets

us-gaap:IncreaseDecreaseInOtherNoncurrentAssets


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value-139000.0799000.01941000.0483000.0-2515000.057000.01511000.0870000.01805000.0188000.0-1224000.01468000.0000
Percentage of IncreaseDecreaseInOtherNoncurrentAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:IncreaseDecreaseInOtherNoncurrentLiabilities

us-gaap:IncreaseDecreaseInOtherNoncurrentLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value2914000.0-292000.0290000.0-370000.0-487000.0-701000.0-434000.0-709000.0-571000.0-711000.000000
Percentage of IncreaseDecreaseInOtherNoncurrentLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.0

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value-2015000.0-740000.03834000.03459000.0-1564000.0-2552000.05531000.0-607000.0-1371000.01892000.05466000.02795000.0342000.0-5000.00
Percentage of IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:InvestmentIncomeNetAmortizationOfDiscountAndPremium

us-gaap:InvestmentIncomeNetAmortizationOfDiscountAndPremium


Investment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value-1835000.0-1911000.0-1813000.0-1417000.0-227000.0207000.0460000.0851000.01062000.01223000.01161000.0-125000.0000
Percentage of InvestmentIncomeNetAmortizationOfDiscountAndPremium100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:LeaseCost

us-gaap:LeaseCost


Lease
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value2057000.02189000.02267000.02198000.02267000.02078000.02255000.01651000.01617000.01490000.0
Percentage of LeaseCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseCost

us-gaap:OperatingLeaseCost


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1853000.01862000.01847000.01845000.01868000.01868000.01869000.01374000.01354000.01351000.0
Percentage of OperatingLeaseCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseExpense

us-gaap:OperatingLeaseExpense


Operating
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312018-09-30
Value387000.02007000.0180000.0342000.0718000.01000000.0
Percentage of OperatingLeaseExpense100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeasePayments

us-gaap:OperatingLeasePayments


Operating
Period End2021-06-302021-03-312020-12-31
Value1400000.01000000.02000000.0
Percentage of OperatingLeasePayments100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value-233000.0-369000.0-685000.0-877000.0220000.0465000.0-721000.0-295000.0756000.01099000.0454000.0-148000.000
Percentage of OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value-233000.0-369000.0-685000.0-877000.0220000.0465000.0-721000.0-295000.0756000.01099000.0454000.0-148000.0
Percentage of OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherExpenses

us-gaap:OtherExpenses


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-06-302019-03-312017-12-31
Value531000.0325000.0766000.0162000.0156000.058000.0000
Percentage of OtherExpenses100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:PaymentsForLeasingCostsCommissionsAndTenantImprovements

us-gaap:PaymentsForLeasingCostsCommissionsAndTenantImprovements


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
Value1466000.0966000.02008000.01420000.01420000.01396000.01381000.01026000.0765000.0391000.031000.00000
Percentage of PaymentsForLeasingCostsCommissionsAndTenantImprovements100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:PaymentsForProceedsFromTenantAllowance

us-gaap:PaymentsForProceedsFromTenantAllowance


Payments
Period End2021-06-302021-03-312020-06-302020-03-312017-12-31
Value2222000.0-1111000.02149000.0-532000.00
Percentage of PaymentsForProceedsFromTenantAllowance100.0100.0100.0100.00.0

us-gaap:PaymentsOfStockIssuanceCosts us-gaap:SubsidiarySaleOfStock

us-gaap:PaymentsOfStockIssuanceCosts

allo:AtTheMarketOffering


Payments
Period End2020-12-312020-09-30
Value0.30.0
Percentage of PaymentsOfStockIssuanceCosts100.00.0

allo:PublicOffering


Payments
Period End2020-12-312020-09-302020-06-302020-03-31
Value0.00.0360.3
Percentage of PaymentsOfStockIssuanceCosts0.00.00.00.0

us-gaap:PaymentsToAcquireEquityMethodInvestments

us-gaap:PaymentsToAcquireEquityMethodInvestments


Payments
Period End2021-06-302021-03-312017-12-31
Value0.0150.0
Percentage of PaymentsToAcquireEquityMethodInvestments0.0100.00.0

us-gaap:PaymentsToAcquireEquityMethodInvestments us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

allo:NotchTherapeuticsInc


Payments
Period End2021-02-28
Value15
Percentage of PaymentsToAcquireEquityMethodInvestments0.0

us-gaap:PaymentsToAcquireInterestInSubsidiariesAndAffiliates us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:SubsequentEventType

us-gaap:PaymentsToAcquireInterestInSubsidiariesAndAffiliates

allo:NotchTherapeuticsInc, us-gaap:SubsequentEvent


Payments
Period End2021-02-25
Value15
Percentage of PaymentsToAcquireInterestInSubsidiariesAndAffiliates100.0

us-gaap:ProceedsFromIssuanceOfCommonStock us-gaap:SubsidiarySaleOfStock

us-gaap:ProceedsFromIssuanceOfCommonStock

allo:AtTheMarketOffering


Proceeds
Period End2020-09-302020-06-302020-03-31
Value0.00.014
Percentage of ProceedsFromIssuanceOfCommonStock0.00.0100.0

allo:PublicOffering


Proceeds
Period End2020-09-30
Value0.032
Percentage of ProceedsFromIssuanceOfCommonStock0.0

us-gaap:ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions

us-gaap:ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value3.2144.061.6212.4144.4770.3032.2550.4670.2360.011-3.3210.0
Percentage of ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.00.0

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities


Proceeds
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-30
Value215268150101120158
Percentage of ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt


Proceeds
Period End2020-09-30
Value0
Percentage of ProceedsFromSaleOfAvailableForSaleSecuritiesDebt0.0

us-gaap:ProceedsFromStockOptionsExercised

us-gaap:ProceedsFromStockOptionsExercised


Proceeds
Period End2021-05-31
Value5300000.0
Percentage of ProceedsFromStockOptionsExercised100.0

us-gaap:ProceedsFromStockPlans

us-gaap:ProceedsFromStockPlans


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value01984000.0-1000.01406000.001438000.001099000.00684000.000000
Percentage of ProceedsFromStockPlans0.0100.0100.0100.00.0100.00.0100.00.0100.00.00.00.00.00.0

us-gaap:RecoveryOfDirectCosts us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:TypeOfArrangement

us-gaap:RecoveryOfDirectCosts

allo:Servier, allo:LicenseAndCollaborationAgreement


Recovery
Period End2021-06-302020-06-30
Value4200000.0900000.0
Percentage of RecoveryOfDirectCosts100.0100.0

us-gaap:RelatedPartyCosts us-gaap:RelatedPartyTransaction, us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:RelatedPartyCosts

allo:ConsultingAgreements, allo:BellcoCapitalLLC


Related
Period 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
Value0.20.20.30.20.20.20.40.10.10.20.40.1
Percentage of RelatedPartyCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

allo:ConsultingAgreements, allo:TwoRiverConsultingLLC


Related
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value0.10.10.10.10.10.20.10.20.30.3
Percentage of RelatedPartyCosts50.050.050.050.050.0200.0100.0100.0300.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-06-302021-03-312020-12-31
Value-1.0433.940.7
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue

us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-06-302021-03-312020-12-31
Value2.4123.44-0.01
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate

allo:TwoThousandEighteenPlan


Share
Period End2021-03-312020-03-312019-09-302019-06-302019-03-31
Value70.80.714274.09200.7484
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate100.0100.0100.00.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate us-gaap:Range, us-gaap:AwardType

srt:Maximum, allo:TwoThousandEighteenPlan


Share
Period End2020-09-30
Value71.419
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate0.0

srt:Minimum, allo:TwoThousandEighteenPlan


Share
Period End2020-09-30
Value70.706
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate0.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum

allo:TwoThousandEighteenPlan


Share
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-30
Value01.161.6335-1.63351.652.5938
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum0.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum

allo:TwoThousandEighteenPlan


Share
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-30
Value00.60.3562-0.79620.82.4255
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum0.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

us-gaap:EmployeeStockOption


Share
Period End2021-06-302021-03-31
Value-0.2621.41
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue100.0100.0

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice

allo:TwoThousandEighteenPlan


Share
Period End2021-06-302021-03-312020-12-31
Value3.58.95-1.59
Percentage of ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice

allo:TwoThousandEighteenPlan


Share
Period End2021-06-302021-03-312020-12-31
Value2.4815.361.86
Percentage of ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice

allo:TwoThousandEighteenPlan


Share
Period End2021-06-302021-03-312020-12-31
Value-0.3734.040.51
Percentage of ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice100.0100.0100.0

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedWeightedAverageGrantDateFairValue

us-gaap:RestrictedStockUnitsRSU


Sharebased
Period End2021-06-302021-03-312020-12-31
Value1.4325.530.39
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedWeightedAverageGrantDateFairValue100.0100.0100.0

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1


Sharebased
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-30
Value854000.0710000.0710000.0710000.0710000.0710000.03170000.0
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1100.0100.0100.0100.0100.0100.0100.0

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1 us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Sharebased
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-30
Value854000.0710000.0710000.0710000.0710000.0710000.03170000.0
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueEmployeeStockPurchasePlan

us-gaap:StockIssuedDuringPeriodValueEmployeeStockPurchasePlan


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value01984000.001406000.001438000.001099000.00684000.0
Percentage of StockIssuedDuringPeriodValueEmployeeStockPurchasePlan0.0100.00.0100.00.0100.00.0100.00.0100.0

us-gaap:StockIssuedDuringPeriodValueEmployeeStockPurchasePlan us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value01984000.001406000.001438000.001099000.00684000.0
Percentage of StockIssuedDuringPeriodValueEmployeeStockPurchasePlan0.0100.00.0100.00.0100.00.0100.00.0100.0

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-30
Value3214000.04060000.01588000.02447000.04476000.0303000.02255000.0467000.0237000.01000.03000.01000.0
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value3213000.04059000.01588000.02446000.04475000.0303000.02255000.0467000.0236000.0
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised100.0100.0100.0100.0100.0100.0100.0100.099.6

us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-30
Value1000.01000.001000.01000.00001000.01000.03000.01000.0
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised0.00.00.00.00.00.00.00.00.4100.0100.0100.0

us-gaap:SubleaseIncome us-gaap:RelatedPartyTransaction, us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:SubleaseIncome

allo:SubleaseAgreement, allo:ByHeartInc


Sublease
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-30
Value100000.0100000.0100000.0100000.0100000.000
Percentage of SubleaseIncome100.0100.0100.0100.0100.00.00.0

us-gaap:VariableLeaseCost

us-gaap:VariableLeaseCost


Variable
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value204000.0327000.0421000.0353000.0399000.0210000.0385000.0277000.0263000.0139000.0
Percentage of VariableLeaseCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

allo:AccruedAndOtherLiabilitiesCurrent

allo:AccruedAndOtherLiabilitiesCurrent


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value3439443931192325141417160.002
Percentage of AccruedAndOtherLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

allo:AccruedCompensationAndRelatedBenefitsCurrent

allo:AccruedCompensationAndRelatedBenefitsCurrent


Accrued
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value159.566.6724.0362.7194.111
Percentage of AccruedCompensationAndRelatedBenefitsCurrent100.0100.0100.0100.0100.0100.0

allo:AccruedPropertyAndEquipment

allo:AccruedPropertyAndEquipment


Accrued
Period End2020-12-312019-12-312019-09-302018-12-31
Value7475000.03575000.04444000.00
Percentage of AccruedPropertyAndEquipment100.0100.0100.00.0

allo:AccruedResearchAndDevelopmentExpenseCurrent

allo:AccruedResearchAndDevelopmentExpenseCurrent


Accrued
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value134.8339.385.3654.8727.808
Percentage of AccruedResearchAndDevelopmentExpenseCurrent100.0100.0100.0100.0100.0100.0

allo:AggregatePotentialMilestoneReceivable us-gaap:RelatedPartyTransaction, us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:TypeOfArrangement

allo:AggregatePotentialMilestoneReceivable

allo:SalesMilestone, allo:Servier, allo:LicenseAndCollaborationAgreement


Aggregate
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value70707070707770707070
Percentage of AggregatePotentialMilestoneReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

allo:AllowanceForTenantImprovements

allo:AllowanceForTenantImprovements


Allowance
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312019-02-282018-12-312018-10-312018-09-302018-08-31
Value1557000.02112000.02725000.03809000.04367000.02849000.05942000.05942000.02900000.05942000.0800000.05105000.05100000.0
Percentage of AllowanceForTenantImprovements100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

allo:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughTwoYearsFairValue

allo:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughTwoYearsFairValue


Available
Period End2020-12-312019-12-312018-12-31
Value14858240
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughTwoYearsFairValue100.0100.0100.0

allo:AvailableForSaleSecuritiesDebtMaturitiesWithinThreeYearFairValue

allo:AvailableForSaleSecuritiesDebtMaturitiesWithinThreeYearFairValue


Available
Period End2020-12-312019-12-312018-12-31
Value550.036
Percentage of AvailableForSaleSecuritiesDebtMaturitiesWithinThreeYearFairValue100.00.0100.0

allo:CashEquivalentsAndShortTermInvestments

allo:CashEquivalentsAndShortTermInvestments


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value8599039509911086539536553582608714
Percentage of CashEquivalentsAndShortTermInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

allo:CollaborationAgreementUpfrontPayment us-gaap:CounterpartyName

allo:CollaborationAgreementUpfrontPayment

allo:UniversityOfTexasMDAndersonCancerCenter


Collaboration
Period End2020-12-31
Value3.0
Percentage of CollaborationAgreementUpfrontPayment100.0

allo:CollaborationAgreementUpfrontPayment us-gaap:CounterpartyName, us-gaap:BalanceSheetLocation, us-gaap:TypeOfArrangement

allo:OverlandPharmaceuticalsInc, allo:ContractWithCustomerLiability, us-gaap:CorporateJointVenture


Collaboration
Period End2020-12-31
Value40
Percentage of CollaborationAgreementUpfrontPayment1333.3

allo:OverlandPharmaceuticalsInc, allo:ContractWithCustomerLiabilityCurrent, us-gaap:CorporateJointVenture


Collaboration
Period End2020-12-31
Value39
Percentage of CollaborationAgreementUpfrontPayment1300.0

allo:CollaborationAgreementUpfrontPayment us-gaap:CounterpartyName, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:TypeOfArrangement

allo:OverlandPharmaceuticalsInc, allo:AllogeneOverland, us-gaap:CorporateJointVenture


Collaboration
Period End2020-12-14
Value40
Percentage of CollaborationAgreementUpfrontPayment0.0

allo:DeferredTaxAssetsLeaseLiabilities

allo:DeferredTaxAssetsLeaseLiabilities


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value15149.730.0
Percentage of DeferredTaxAssetsLeaseLiabilities100.0100.0100.00.0

allo:DeferredTaxAssetsNetOfDeferredTaxLiabilities

allo:DeferredTaxAssetsNetOfDeferredTaxLiabilities


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value16491410.0
Percentage of DeferredTaxAssetsNetOfDeferredTaxLiabilities100.0100.0100.00.0

allo:DeferredTaxLiabilitiesRightOfUseLeased

allo:DeferredTaxLiabilitiesRightOfUseLeased


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value11129.2390.0
Percentage of DeferredTaxLiabilitiesRightOfUseLeased100.0100.0100.00.0

allo:LesseeFinanceLeasePaymentUponContractTermination

allo:LesseeFinanceLeasePaymentUponContractTermination


Lessee
Period End2020-07-31
Value4300000.0
Percentage of LesseeFinanceLeasePaymentUponContractTermination100.0

allo:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFour

allo:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFour


Lessee
Period End2021-06-302021-03-312020-09-30
Value484856
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFour100.0100.0100.0

allo:LesseeOperatingLeaseLiabilityPaymentsDueYearFiveAndAfterYearFive

allo:LesseeOperatingLeaseLiabilityPaymentsDueYearFiveAndAfterYearFive


Lessee
Period End2020-12-31
Value56
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFiveAndAfterYearFive100.0

allo:OtherCurrentAssets us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:TypeOfArrangement

allo:OtherCurrentAssets

allo:Servier, allo:LicenseAndCollaborationAgreement


Other
Period End2020-12-31
Value3800000.0
Percentage of OtherCurrentAssets100.0

allo:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndExpectedToVestAggregateIntrinsicValue us-gaap:AwardType

allo:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndExpectedToVestAggregateIntrinsicValue

us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-06-302021-03-312020-12-312020-09-30
Value811076294
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndExpectedToVestAggregateIntrinsicValue100.0100.0100.0100.0

allo:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice us-gaap:AwardType

allo:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice

us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-06-302021-03-312020-12-312020-09-30
Value29.2829.4726.1425.86
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice100.0100.0100.0100.0

allo:TenantImprovementAllowance

allo:TenantImprovementAllowance


Tenant
Period End2021-06-302021-03-312018-10-31
Value325000.0325000.0800000.0
Percentage of TenantImprovementAllowance100.0100.0100.0

allo:UnvestedSharesLiabilitiesCurrent

allo:UnvestedSharesLiabilitiesCurrent


Unvested
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value2842000.02843000.02842000.02842000.05300000.04590000.0
Percentage of UnvestedSharesLiabilitiesCurrent100.0100.0100.0100.0100.0100.0

us-gaap:AccountsReceivableNet us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:TypeOfArrangement

us-gaap:AccountsReceivableNet

allo:Servier, allo:LicenseAndCollaborationAgreement


Accounts
Period End2020-09-30
Value3100000.0
Percentage of AccountsReceivableNet100.0

us-gaap:AccountsReceivableRelatedPartiesCurrent us-gaap:BalanceSheetLocation, us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:AccountsReceivableRelatedPartiesCurrent

us-gaap:PrepaidExpensesAndOtherCurrentAssets, allo:PfizerInc


Accounts
Period End2021-06-30
Value100000.0
Percentage of AccountsReceivableRelatedPartiesCurrent100.0

us-gaap:AssetRetirementObligation

us-gaap:AssetRetirementObligation


Asset
Period End2020-12-312019-12-31
Value500000.0400000.0
Percentage of AssetRetirementObligation100.0100.0

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

us-gaap:AssetsFairValueDisclosure

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


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-31
Value5439587379250.04.9884.9524.917
Percentage of AssetsFairValueDisclosure100.0100.0100.0100.0100.0100.00.0100.0100.0100.0

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


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
Value188221262285292190205191225246244163
Percentage of AssetsFairValueDisclosure342.0554.8445.5386.2365.5740.10.00.04524.24981.84963.90.0

us-gaap:MoneyMarketFunds, us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


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
Value1691761021012561131221123317616.524
Percentage of AssetsFairValueDisclosure308.8441.6173.0136.6321.3438.80.00.0667.4346.61241.10.0

us-gaap:USGovernmentCorporationsAndAgenciesSecurities, us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


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
Value6875806234292545525562
Percentage of AssetsFairValueDisclosure124.6187.8135.784.643.3113.20.00.01058.91115.51263.3

us-gaap:USTreasurySecurities, us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


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
Value378390446468423180181203265284342224
Percentage of AssetsFairValueDisclosure688.1976.0757.9633.7530.0699.30.00.05331.45753.16955.50.0

us-gaap:AssetsFairValueDisclosure us-gaap:FairValueByAssetClass, us-gaap:FairValueByMeasurementFrequency

us-gaap:CommercialPaper, us-gaap:FairValueMeasurementsRecurring


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-31
Value5439587379250.04.9884.9524.917
Percentage of AssetsFairValueDisclosure100.0100.0100.0100.0100.0100.00.0100.0100.0100.0

us-gaap:CorporateBondSecurities, us-gaap:FairValueMeasurementsRecurring


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
Value188221262285292190205191225246244163
Percentage of AssetsFairValueDisclosure342.0554.8445.5386.2365.5740.10.00.04524.24981.84963.90.0

us-gaap:MoneyMarketFunds, us-gaap:FairValueMeasurementsRecurring


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
Value1691761021012561131221123317616.524
Percentage of AssetsFairValueDisclosure308.8441.6173.0136.6321.3438.80.00.0667.4346.61241.10.0

us-gaap:USGovernmentCorporationsAndAgenciesSecurities, us-gaap:FairValueMeasurementsRecurring


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
Value6875806234292545525562
Percentage of AssetsFairValueDisclosure124.6187.8135.784.643.3113.20.00.01058.91115.51263.3

us-gaap:USTreasurySecurities, us-gaap:FairValueMeasurementsRecurring


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
Value378390446468423180181203265284342224
Percentage of AssetsFairValueDisclosure688.1976.0757.9633.7530.0699.30.00.05331.45753.16955.50.0

us-gaap:AssetsFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


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
Value547566549569680293304316299302403231
Percentage of AssetsFairValueDisclosure996.81417.6931.0770.3851.31138.00.00.05998.76099.78196.50.0

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


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
Value311336401422406245231237283306311163
Percentage of AssetsFairValueDisclosure566.6842.6681.3570.8508.8953.40.00.05683.16197.26327.20.0

us-gaap:AssetsFairValueDisclosure us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


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
Value8599039509911086539536553582608714394
Percentage of AssetsFairValueDisclosure1563.52260.21612.21341.11360.12091.40.00.011681.912296.914523.70.0

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value336000.0400000.0764000.01444000.02339000.02330000.01595000.02174000.02496000.01596000.0743000.018000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax us-gaap:InvestmentType

us-gaap:CommercialPaper


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value4000.07000.08000.030000.090000.00871000.00000
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax1.21.81.02.13.80.054.60.00.00.00.0

us-gaap:CorporateBondSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value257000.0184000.0444000.0784000.01205000.0505000.0871000.01195000.01272000.0827000.0220000.018000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax76.546.058.154.351.521.754.655.051.051.829.6100.0

us-gaap:USGovernmentCorporationsAndAgenciesSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value2000.015000.030000.069000.0137000.0207000.0167000.0235000.0291000.0209000.0181000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax0.63.83.94.85.98.910.510.811.713.124.4

us-gaap:USTreasurySecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value73000.0194000.0282000.0561000.0907000.01618000.0557000.0744000.0933000.0560000.0342000.00
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax21.748.536.938.938.869.434.934.237.435.146.00.0

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value227000.059000.053000.048000.065000.0277000.08000.011000.010000.024000.0320000.0166000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax us-gaap:InvestmentType

us-gaap:CommercialPaper


Available
Period End2020-12-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value2000.02000.004000.00000
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax3.83.10.050.00.00.00.00.0

us-gaap:CorporateBondSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value51000.031000.036000.029000.048000.0276000.04000.05000.010000.022000.0280000.0112000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax22.552.567.960.473.899.650.045.5100.091.787.567.5

us-gaap:USGovernmentCorporationsAndAgenciesSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value82000.020000.03000.05000.02000.01000.01000.02000.0003000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax36.133.95.710.43.10.412.518.20.00.00.9

us-gaap:USTreasurySecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value94000.08000.012000.014000.013000.003000.04000.002000.037000.054000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax41.413.622.629.220.00.037.536.40.08.311.632.5

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value8599039509901084537535551580607713394
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis us-gaap:InvestmentType

us-gaap:CommercialPaper


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value5439587379252040.04.9884.9524.917
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis6.44.46.27.57.44.838.20.00.90.80.7

us-gaap:CorporateBondSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value187221262284290190204190224245244163
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis21.924.527.628.826.835.538.234.638.740.534.241.4

us-gaap:MoneyMarketFunds


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value1691761021012561131221123317616.524
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis19.819.510.710.223.721.123.020.45.72.88.61.7

us-gaap:USGovernmentCorporationsAndAgenciesSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value6875806234282545525561
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis8.08.38.46.33.25.44.88.29.19.18.7

us-gaap:USTreasurySecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value378390446468422178181202264284341225
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis44.043.247.047.339.033.333.936.845.746.847.957.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue


Available
Period End2020-12-312019-12-312018-12-31
Value644355375
Percentage of AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue


Available
Period End2020-12-312019-12-312018-12-31
Value10212261
Percentage of AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtSecurities

us-gaap:AvailableForSaleSecuritiesDebtSecurities


Available
Period End2020-12-312019-12-312019-03-312018-12-312018-09-30
Value950536608714394
Percentage of AvailableForSaleSecuritiesDebtSecurities100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtSecurities us-gaap:InvestmentType

us-gaap:CommercialPaper


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value5439587379252050.04.9884.9524.917
Percentage of AvailableForSaleSecuritiesDebtSecurities0.00.06.20.00.00.038.20.00.00.80.7

us-gaap:CorporateBondSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value188221262285292190205191225246244163
Percentage of AvailableForSaleSecuritiesDebtSecurities0.00.027.60.00.00.038.20.00.040.534.241.4

us-gaap:MoneyMarketFunds


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value1691761021012561131221123317616.524
Percentage of AvailableForSaleSecuritiesDebtSecurities0.00.010.70.00.00.022.90.00.02.88.51.7

us-gaap:USGovernmentCorporationsAndAgenciesSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value6875806234292545525562
Percentage of AvailableForSaleSecuritiesDebtSecurities0.00.08.40.00.00.04.80.00.09.18.7

us-gaap:USTreasurySecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value378390446468423180181203265284342224
Percentage of AvailableForSaleSecuritiesDebtSecurities0.00.047.00.00.00.033.90.00.046.847.957.0

us-gaap:AvailableForSaleSecuritiesDebtSecuritiesCurrent

us-gaap:AvailableForSaleSecuritiesDebtSecuritiesCurrent


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value364462644682619357355340389373366
Percentage of AvailableForSaleSecuritiesDebtSecuritiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtSecuritiesNoncurrent

us-gaap:AvailableForSaleSecuritiesDebtSecuritiesNoncurrent


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value3252642042072106058100147214261
Percentage of AvailableForSaleSecuritiesDebtSecuritiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CapitalizedComputerSoftwareGross

us-gaap:CapitalizedComputerSoftwareGross


Capitalized
Period End2020-12-31
Value4200000.0
Percentage of CapitalizedComputerSoftwareGross100.0

us-gaap:CashCashEquivalentsAndShortTermInvestments

us-gaap:CashCashEquivalentsAndShortTermInvestments


Cash
Period End2021-06-302021-03-312020-12-312020-09-30
Value91396410001000
Percentage of CashCashEquivalentsAndShortTermInvestments100.0100.0100.0100.0

us-gaap:CashEquivalentsAtCarryingValue

us-gaap:CashEquivalentsAtCarryingValue


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value169176102101256122122112452085
Percentage of CashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleAccruedInterestAfterAllowanceForCreditLoss

us-gaap:DebtSecuritiesAvailableForSaleAccruedInterestAfterAllowanceForCreditLoss


Debt
Period End2020-12-312019-12-31
Value2800000.02400000.0
Percentage of DebtSecuritiesAvailableForSaleAccruedInterestAfterAllowanceForCreditLoss100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPosition

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPosition


Debt
Period End2020-12-31
Value5000000.0
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPosition100.0

us-gaap:DeferredCompensationShareBasedArrangementsLiabilityCurrent

us-gaap:DeferredCompensationShareBasedArrangementsLiabilityCurrent


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-03-312018-12-31
Value4300000.02800000.02800000.02800000.02800000.02800000.02800000.05300000.04600000.0
Percentage of DeferredCompensationShareBasedArrangementsLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredCompensationSharebasedArrangementsLiabilityClassifiedNoncurrent

us-gaap:DeferredCompensationSharebasedArrangementsLiabilityClassifiedNoncurrent


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-03-31
Value3400000.0400000.01100000.01800000.02500000.03200000.03900000.06100000.0
Percentage of DeferredCompensationSharebasedArrangementsLiabilityClassifiedNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredCompensationSharebasedArrangementsLiabilityClassifiedNoncurrent us-gaap:AwardType

allo:EarlyExercisedStockOptions


Deferred
Period End2020-12-312019-12-312018-12-31
Value1100000.03900000.06800000.0
Percentage of DeferredCompensationSharebasedArrangementsLiabilityClassifiedNoncurrent100.0100.00.0

us-gaap:DeferredFinanceCostsNet

us-gaap:DeferredFinanceCostsNet


Deferred
Period End2020-12-31
Value3400000.0
Percentage of DeferredFinanceCostsNet100.0

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredIncomeTaxLiabilities


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value11139.8880.0
Percentage of DeferredIncomeTaxLiabilities100.0100.0100.00.0

us-gaap:DeferredTaxAssetsGoodwillAndIntangibleAssets

us-gaap:DeferredTaxAssetsGoodwillAndIntangibleAssets


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value2022230.0
Percentage of DeferredTaxAssetsGoodwillAndIntangibleAssets100.0100.0100.00.0

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsGross


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value176105510.0
Percentage of DeferredTaxAssetsGross100.0100.0100.00.0

us-gaap:DeferredTaxAssetsInvestments

us-gaap:DeferredTaxAssetsInvestments


Deferred
Period End2020-12-31
Value175000.0
Percentage of DeferredTaxAssetsInvestments100.0

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value11554160.0
Percentage of DeferredTaxAssetsOperatingLossCarryforwards100.0100.0100.00.0

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsOther


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value12000.0000
Percentage of DeferredTaxAssetsOther100.00.00.00.0

us-gaap:DeferredTaxAssetsTaxCreditCarryforwards

us-gaap:DeferredTaxAssetsTaxCreditCarryforwards


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value8297000.04239000.01239000.00
Percentage of DeferredTaxAssetsTaxCreditCarryforwards100.0100.0100.00.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value126.870.360.0
Percentage of DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost100.0100.0100.00.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value3888000.02375000.0952000.00
Percentage of DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities100.0100.0100.00.0

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value172000.0361000.0531000.00
Percentage of DeferredTaxLiabilitiesPropertyPlantAndEquipment100.0100.0100.00.0

us-gaap:DueFromRelatedParties us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:TypeOfArrangement

us-gaap:DueFromRelatedParties

allo:Servier, allo:LicenseAndCollaborationAgreement


Due
Period End2021-06-302021-03-312020-12-31
Value4200000.04500000.03800000.0
Percentage of DueFromRelatedParties100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized us-gaap:AwardType

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized

allo:FoundersStockAward


Employee
Period End2020-12-312019-12-312018-12-31
Value173044
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized100.0100.0100.0

us-gaap:EmployeeStockOption


Employee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value91102818791987442
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized0.00.0474.30.00.00.0241.796.0

us-gaap:RestrictedStockUnitsRSU


Employee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value808251555555430.0
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized0.00.0298.80.00.00.0139.20.0

us-gaap:EquityMethodInvestmentOwnershipPercentage allo:EquityInvestmentBasis, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:EquityMethodInvestmentOwnershipPercentage

allo:VotingInterest, allo:NotchTherapeuticsInc


Equity
Period End2021-02-28
Value20.7
Percentage of EquityMethodInvestmentOwnershipPercentage100.0

us-gaap:EquityMethodInvestmentOwnershipPercentage dei:LegalEntity, us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

allo:OverlandPharmaceuticalsInc, allo:AllogeneOverland


Equity
Period End2020-12-14
Value51.0
Percentage of EquityMethodInvestmentOwnershipPercentage0.0

us-gaap:EquityMethodInvestmentOwnershipPercentage us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

allo:Allogene


Equity
Period End2020-12-14
Value49.0
Percentage of EquityMethodInvestmentOwnershipPercentage0.0

allo:AllogeneOverland


Equity
Period End2020-12-14
Value49.0
Percentage of EquityMethodInvestmentOwnershipPercentage0.0

allo:NotchTherapeuticsInc


Equity
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-11-01
Value25.025.00.250.250.250.25
Percentage of EquityMethodInvestmentOwnershipPercentage0.00.00.00.00.00.0

us-gaap:EquityMethodInvestmentOwnershipPercentage us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:SubsequentEventType

allo:NotchTherapeuticsInc, us-gaap:SubsequentEvent


Equity
Period End2021-02-25
Value17.0
Percentage of EquityMethodInvestmentOwnershipPercentage0.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value7917000.07917000.06485000.06649000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths100.0100.0100.0100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear

us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear


Lessee
Period End2021-06-302021-03-312020-09-30
Value3570000.05044000.01426000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear100.0100.0100.0

us-gaap:LettersOfCreditOutstandingAmount

us-gaap:LettersOfCreditOutstandingAmount


Letters
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-02-282018-10-312018-08-31
Value5200000.05200000.05200000.05200000.04300000.04300000.04300000.03000000.0200000.0900000.0
Percentage of LettersOfCreditOutstandingAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent


Operating
Period End2021-06-302021-03-312020-12-312020-09-30
Value8.428.48.378.36
Percentage of OperatingLeaseWeightedAverageDiscountRatePercent100.0100.0100.0100.0

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

us-gaap:OperatingLossCarryforwards

us-gaap:DomesticCountry, allo:Indefinite


Operating
Period End2020-12-312019-12-312018-12-31
Value41319359
Percentage of OperatingLossCarryforwards100.0100.0100.0

us-gaap:StateAndLocalJurisdiction, allo:TaxExpiration2037To2039


Operating
Period End2020-12-312019-12-31
Value404190
Percentage of OperatingLossCarryforwards97.898.0

us-gaap:OtherLongTermInvestments

us-gaap:OtherLongTermInvestments


Other
Period End2020-12-312019-12-312018-12-31
Value20458261
Percentage of OtherLongTermInvestments100.0100.0100.0

us-gaap:PurchaseCommitmentRemainingMinimumAmountCommitted

us-gaap:PurchaseCommitmentRemainingMinimumAmountCommitted


Purchase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-30
Value4200000.04100000.05400000.03900000.05600000.0
Percentage of PurchaseCommitmentRemainingMinimumAmountCommitted100.0100.0100.0100.0100.0

us-gaap:RestrictedCashNoncurrent

us-gaap:RestrictedCashNoncurrent


Restricted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value9449000.09449000.09449000.09449000.04299000.04299000.04299000.04299000.04299000.04299000.01299000.0
Percentage of RestrictedCashNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value29.2829.4726.1425.8625.1824.3527.4527.4627.350
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExercisePrice us-gaap:Range, us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExercisePrice

srt:Maximum, allo:TwoThousandEighteenEquityIncentivePlan


Share
Period End2020-12-312019-12-312018-12-31
Value48.9431.9926.52
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExercisePrice100.0100.0100.0

srt:Minimum, allo:TwoThousandEighteenEquityIncentivePlan


Share
Period End2020-12-312019-12-312018-12-31
Value18.2225.942.27
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExercisePrice37.281.18.6

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice

allo:TwoThousandEighteenPlan


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value19.4919.1515.7714.9814.2413.66
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue

allo:TwoThousandEighteenPlan


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value761669322329377110139
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue


Share
Period End2020-12-312019-12-31
Value93110
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue us-gaap:AwardType

allo:TwoThousandEighteenPlan


Share
Period End2021-06-302021-03-312020-09-302017-12-31
Value761662230.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue0.00.00.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice

allo:TwoThousandEighteenPlan


Share
Period End2021-06-302021-03-312020-12-312020-09-30
Value20.9220.5717.7317.12
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice100.0100.0100.0100.0

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueNonvested us-gaap:AwardType

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueNonvested

us-gaap:RestrictedStockUnitsRSU


Sharebased
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value81107629410649500.0
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueNonvested100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1 us-gaap:AwardType

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1

allo:TwoThousandEighteenPlan


Sharebased
Period End2021-06-302021-03-312020-12-312020-09-30
Value6012065147
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1100.0100.0100.0100.0

us-gaap:TaxCreditCarryforwardAmount us-gaap:IncomeTaxAuthority, us-gaap:TaxPeriod

us-gaap:TaxCreditCarryforwardAmount

us-gaap:DomesticCountry, allo:TaxExpirationYears2038To2039


Tax
Period End2020-12-312019-12-31
Value7902000.04037000.0
Percentage of TaxCreditCarryforwardAmount100.0100.0

us-gaap:StateAndLocalJurisdiction, allo:Indefinite


Tax
Period End2020-12-312019-12-312018-12-31
Value7502000.03832000.01120000.0
Percentage of TaxCreditCarryforwardAmount94.994.90.0

Line plots across dimensions of each concept


us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities
(None,)
Antidilutive Securities Excluded From Computation Of Earnings Per Share Amountus-gaap: Antidilutive Securities Excluded From Computation Of Earnings Per Share By Antidilutive Securities
TTM Greenblatt ROC
_
(None,)
T T M  Greenblatt  R O C_
us-gaap:AllocatedShareBasedCompensationExpense
us-gaap:IncomeStatementLocation
(None,)
Allocated Share Based Compensation Expenseus-gaap: Income Statement Location
us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents
(None,)
Stockholders Equityus-gaap: Statement Equity Components
us-gaap:PropertyPlantAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType
(None,)
Property Plant And Equipment Grossus-gaap: Property Plant And Equipment By Type
us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents
(None,)
Stockholders Equityus-gaap: Statement Equity Components
us-gaap:StockIssuedDuringPeriodValueNewIssues
us-gaap:SubsidiarySaleOfStock
(None,)
Stock Issued During Period Value New Issuesus-gaap: Subsidiary Sale Of Stock