AXSM


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

Table of contents



us-gaap:CommonStockValue

us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities

us-gaap:EarningsPerShareBasicAndDiluted

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

us-gaap:GainsLossesOnExtinguishmentOfDebt
us-gaap:DebtInstrument

us-gaap:GeneralAndAdministrativeExpense

us-gaap:InterestPaidNet

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:OperatingExpenses

us-gaap:OperatingIncomeLoss

us-gaap:ProfitLoss

us-gaap:ResearchAndDevelopmentExpense
us-gaap:CounterpartyName, us-gaap:ResearchAndDevelopmentArrangementContractToPerformForOthersByType

us-gaap:Assets

us-gaap:Liabilities

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents

us-gaap:AssetsCurrent

us-gaap:Cash

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:PrepaidExpenseAndOtherAssetsCurrent

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OtherAssetsNoncurrent

us-gaap:AccountsPayableCurrent

us-gaap:LiabilitiesCurrent

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OtherAccruedLiabilitiesCurrent
us-gaap:Range, us-gaap:StatementScenario, us-gaap:DebtInstrument
us-gaap:LongTermDebt

us-gaap:LongTermDebtNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:OperatingLeaseLiability

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapital

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:RetainedEarningsAccumulatedDeficit
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:TypeOfArrangement
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:AmortizationOfFinancingCosts
us-gaap:DebtInstrument

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:NetCashProvidedByUsedInFinancingActivities

us-gaap:RepaymentsOfLongTermDebt

us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:DeferredTaxAssetsValuationAllowance

axsm:AdjustmentsToAdditionalPaidInCapitalSharesTenderedForWithholdingTaxes
us-gaap:StatementEquityComponents

axsm:ChangeInOperatingLeaseLiability
us-gaap:StatementEquityComponents
axsm:DebtInstrumentAggregateAmountPercentage
us-gaap:DebtInstrument
axsm:DebtInstrumentFinalPaymentFeeThresholdPercentageOfDebtOutstanding
us-gaap:StatementScenario, us-gaap:DebtInstrument
axsm:DebtInstrumentPrepaymentPenaltyPercentage
us-gaap:DebtInstrument
axsm:DebtInstrumentThresholdCashPayInterestRate
us-gaap:DebtInstrument
axsm:ExtinguishmentOfDebtFeeAmount

axsm:IncreaseDecreaseInPrepaidExpenseAndOtherAssetsCurrent
us-gaap:StatementScenario, us-gaap:DebtInstrument
axsm:LongTermDebtAdditionalDrawnCovenantMinimumCashToBeMaintainedAsSecurityPercent
us-gaap:StatementScenario, us-gaap:DebtInstrument
axsm:LongTermDebtAdditionalDrawnCovenantMinimumCashToBeMaintainedAsSecurityWithMarketCapitalizationCovenantPercent
us-gaap:StatementScenario, us-gaap:DebtInstrument
axsm:LongTermDebtAdditionalDrawnCovenantMinimumMarketCapitalizationAmount
us-gaap:ProductOrService, us-gaap:StatementScenario, us-gaap:DebtInstrument
axsm:LongTermDebtAdditionalDrawnMinimumRevenuePercent

axsm:NoncashResearchAndDevelopmentExpense
us-gaap:DebtInstrument
axsm:ProceedsFromFirstAdvanceUsedToRepayPreviousDebt

axsm:StockIssuedDuringPeriodValueFinancing
us-gaap:StatementEquityComponents
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:TypeOfArrangement
axsm:StockIssuedDuringPeriodValueNewIssuesNet

axsm:StockIssuedDuringPeriodValueWarrantsExercised
us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents
axsm:StockVestedDuringPeriodValueRestrictedCommonStockAward

axsm:WarrantsExercisedInPeriodWeightedAverageExercisePrice

axsm:WarrantsIssuedDuringPeriodDebtFinancing
us-gaap:StatementEquityComponents

axsm:WarrantsIssuedInPeriodWeightedAverageExercisePrice

us-gaap:AmortizationOfDebtDiscountPremium
us-gaap:StatementEquityComponents
us-gaap:DebtInstrument, us-gaap:VariableRate
us-gaap:DebtInstrumentBasisSpreadOnVariableRate1

us-gaap:Depreciation

us-gaap:IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities

us-gaap:IncreaseDecreaseInOtherNoncurrentAssets

us-gaap:InterestExpenseDebtExcludingAmortization

us-gaap:InvestmentIncomeNet

us-gaap:OperatingLeaseRightOfUseAssetAmortizationExpense

us-gaap:PaymentsOfDebtIssuanceCosts

us-gaap:ProceedsFromIssuanceOfCommonStock
us-gaap:DebtInstrument
us-gaap:ProceedsFromIssuanceOfDebt

us-gaap:ProceedsFromStockOptionsExercised
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised
us-gaap:StatementEquityComponents

axsm:AccruedGeneralAndAdministrativeCurrent

axsm:AccruedResearchAndDevelopmentCurrent
us-gaap:Range, us-gaap:RelatedPartyTransactionsByRelatedParty
axsm:BeneficialOwnershipPercentage

axsm:DebtInstrumentAccretedLiabilityOfFinalPaymentFee
us-gaap:DebtInstrument
axsm:DebtInstrumentCashPayInterestMultiplier

axsm:DeferredTaxAssetsInterestExpense

axsm:DeferredTaxAssetsLeasingArrangements
us-gaap:StatementScenario, us-gaap:DebtInstrument
axsm:LongTermDebtAdditionalDrawnCovenantMinimumCashAsSecurityInterest

us-gaap:AccountsPayableAndOtherAccruedLiabilitiesCurrent

us-gaap:CashEquivalentsAtCarryingValue

us-gaap:ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1

us-gaap:DebtInstrumentCarryingAmount

us-gaap:DebtInstrumentUnamortizedDiscountNoncurrent

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsDomestic

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsForeign

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal

us-gaap:DeferredTaxAssetsPropertyPlantAndEquipment

us-gaap:DeferredTaxAssetsTaxCreditCarryforwardsResearch

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals

us-gaap:DeferredTaxLiabilitiesLeasingArrangements

us-gaap:EmployeeRelatedLiabilitiesCurrent
us-gaap:AwardType
us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions
us-gaap:Range

us-gaap:InterestPayableCurrent

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear
us-gaap:DebtInstrument
us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity
us-gaap:StatementScenario, us-gaap:DebtInstrument
us-gaap:DebtInstrument
us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree

us-gaap:OperatingLossCarryforwards
us-gaap:TaxPeriod
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1
us-gaap:ClassOfWarrantOrRight, us-gaap:MeasurementInputType
us-gaap:WarrantsAndRightsOutstandingMeasurementInput

Plots across concepts


Balance Sheet
Operating Lease Liability
Assets
Property Plant And Equipment Net
Current Assets
Prepaid Expense And Other Assets Current
NonCurrent Assets
Property Plant And Equipment Net
Liabilities
Operating Lease Liability
Current Liabilities
Other Accrued Liabilities Current
Noncurrent Liabilities
Operating Lease Liability Noncurrent
Stockholders Equity
Retained Earnings Accumulated Deficit
CashFlow
Net Income Loss
NetCashProvidedByUsedInOperatingActivities
Net Income Loss
NetCashProvidedByUsedInInvestingActivities
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInFinancingActivities
Proceeds From Issuance Of Long Term Debt
OperatingLeaseLiability
Operating Lease Liability Noncurrent
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Undiscounted Excess Amount

Tables

  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
us-gaap:CommonStockValue ███████▇▇▆▅▄▄▃▃▃▃▃▁▁▁▁▁0.0037650.0037560.0037370.0037330.0037260.0037070.0036930.003450.0034330.003330.0030090.0026830.0026250.0025550.0025490.0023670.0023610.0023540.0019160.0019150.0019150.0019150.001915
us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted █▁37.59506937.42945NANA37.1007737.061356NA34.44548933.80174933.052468NA26.32590425.79117725.501188NA23.6340423.59570219.537897NA19.14990619.14941719.149417NA
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount NA4.705122NANANA4.181778NANANA3.281578NANANA4.860011NANA2.4193372.444605NANANA1.270666NA
 us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities us-gaap:EmployeeStockOptionNA4.385598NANANA3.962733NANANA3.100209NANANA2.760862NANA2.169542.144808NANANA0.998198NA
 us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities us-gaap:RestrictedStockUnitsRSUNA0.303983NANANA0.149389NANANANANANANANANANANANANANANANANA
 us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities us-gaap:WarrantNA0.015541NANANA0.069656NANANA0.181369NANANA2.099149NANA0.2497970.299797NANANA0.272468NA
us-gaap:EarningsPerShareBasicAndDiluted ▁▂▂▄▅▁▃▄▆▇▇▇▇█▇▇▇▆▆▆▆▇█-0.86-0.78-0.79-0.61-0.49-0.88-0.71-0.56-0.41-0.32-0.32-0.31-0.32-0.19-0.31-0.27-0.3-0.41-0.38-0.38-0.36-0.31-0.23
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
us-gaap:AllocatedShareBasedCompensationExpense █▆█▄▆▄▄▂▂▂▁▁▁▁▁▁▁▂▁▁▁▂▁5.4562423.7310975.6058332.8688184.1480252.133532.8138591.1564350.8885561.256310.353080.3926650.4746590.534570.5369190.3880450.4836310.6636150.4347250.4584680.4820330.6561920.182361
us-gaap:GainsLossesOnExtinguishmentOfDebt NANA0.0-1.247012NANANANANANANANANANANANANANANANANANA0.0
 us-gaap:GainsLossesOnExtinguishmentOfDebt us-gaap:DebtInstrument axsm:TermLoan2020NANA0.0NANANANANANANANANANANANANANANANANANANANA
us-gaap:GeneralAndAdministrativeExpense █▆▅▃▄▃▃▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁16.34436111.24837210.3595076.3313087.2358774.9700575.2228993.1116622.4450772.8183922.2990832.2026792.4390612.4106991.950211.826291.7433771.6868141.8187891.6390261.529221.3566130.946618
us-gaap:InterestPaidNet ██▆▃▂▂▂▂▂▁▁▁▁▁1.1691671.143750.9179550.4168360.3833340.3791670.3083390.3833340.3791660.2166670.1869410.1823570.1958010.206867NANANANANANANANANA
us-gaap:NetIncomeLoss ▁▂▂▃▄▁▃▄▆▆▇▇▇█▇▇▇▇▇▇▇▇█-32.284209-29.25997-29.164647-22.924815-18.326992-32.484146-24.806984-19.135612-13.762214-10.640376-9.597015-8.281974-8.280916-4.805559-7.430501-6.433536-7.084316-7.995039-7.328938-7.194584-6.81219-5.865941-3.364912
 us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents us-gaap:RetainedEarnings▁█-32.284209-29.25997NA-22.924815-18.326992-32.484146NA-19.135612-13.762214-10.640376NA-8.281974-8.280916-4.805559NANANANANANANANANA
us-gaap:OperatingExpenses █▇▇▅▄█▆▅▃▃▃▂▂▂▂▂▂▂▂▂▂▂▁30.84768727.84406127.74423621.12680117.77883432.49145724.4281718.94723513.44821910.4214739.4503158.2434597.9895937.163216.444126.2974166.7507387.6720337.625567.2078036.827285.8828653.154533
us-gaap:OperatingIncomeLoss ▁▂▂▃▃▁▂▃▄▅█▅▅▅▇▅▅▅█▅▅▅▇-30.847687-27.844061-27.744236-21.126801-17.778834-32.491457-24.42817-18.947235-13.448219-10.4214739.450315-8.243459-7.989593-7.163216.44412-6.297416-6.750738-7.6720337.62556-7.207803-6.82728-5.8828653.154533
us-gaap:ProfitLoss ▁▂▂▃▅▁▃▄▆▇▇▇▇█▇█▇▇-32.284209-29.25997-29.164647-22.924815-18.326992-32.484146-24.806984-19.135612-13.762214-10.640376-9.597015-8.281974-8.280916-4.805559-7.430501-6.433536-7.084316-7.995039NANANANANA
us-gaap:ResearchAndDevelopmentExpense ▄▅▅▄▃█▆▅▃▂▂▂▂▂▂▂▂▂▂▂▂▂▁14.50332616.59568917.38472914.79549310.54295727.521419.20527115.83557311.0031427.6030817.1512326.040785.5505324.7525114.493914.4711265.0073615.9852195.8067715.5687775.298064.5262522.207915
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
us-gaap:Assets ▅▆▇▇▇▇█▂▂▂▁▁▁▁▂▂▂▂▂▂▂▂▂143.26475166.90384186.134323203.629404190.989587197.800871220.5497644.43972954.77776643.90108815.37927916.12582821.72539527.93929635.55556432.61811239.04286146.41155838.21260834.91845440.00791345.14824449.076156
us-gaap:Liabilities ████▄▄▄▄▃▂▁▁▁▁▂▁▁▁▁71.8281370.61064172.34141468.36764636.74627741.64400541.82737137.61713330.49482126.52738914.44135815.38307114.71649615.35314218.83834115.77905516.28825317.13107816.641157NANANA2.631895
us-gaap:LiabilitiesAndStockholdersEquity ▅▆▇▇▇▇█▂▂▂▁▁▁▁▂▂▂▂▂▂▂▂▂143.26475166.90384186.134323203.629404190.989587197.800871220.5497644.43972954.77776643.90108815.37927916.12582821.72539527.93929635.55556432.61811239.04286146.41155838.21260834.91845440.00791345.14824449.076156
us-gaap:StockholdersEquity ▄▅▅▆▇▇█▁▂▂▁▁▁▁▂▂▂▂▂▂▂▃▃71.4366296.293199113.792909135.261758154.24331156.156866178.7223896.82259624.28294517.3736990.9379210.7427577.00889912.58615416.71722316.83905722.75460829.2804821.57145128.18291834.90435541.23451246.444261
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
us-gaap:AssetsCurrent ▅▆▇▇▇▇█▂▂▂▁▁▁▁▂▂▂▂▂▂▂▂▂141.654894165.035438184.024826203.272284190.81929197.622778220.37926244.23620654.5680543.75917915.21510215.94443321.53940427.75369835.29954132.41947738.83704646.19875137.99905734.75490339.91662345.06555249.032878
us-gaap:Cash ▅▆▇▇▇▇█▂▂▂▁▁▁▁▂▂▂▂▂▂▂▂▂141.21909164.660132183.876453202.360292190.682109197.313408219.96616743.64186153.75313742.62448713.96874215.22076420.35144326.63269534.02112331.67338337.99444945.01962736.61849733.88780438.7517544.07848.03626
us-gaap:CashAndCashEquivalentsAtCarryingValue ▁▅█141.21909164.660132183.876453NANANA219.966167NANANANANANANANANANANANANANANANA
us-gaap:PrepaidExpenseAndOtherAssetsCurrent ▃▂▁▅▁▂▃▄▅▇▇▄▇▇▇▄▅▇█▅▇▆▆0.4358040.3753060.1483730.9119920.1371810.309370.4130950.5943450.8149131.1346921.246360.7236691.1879611.1210031.2784180.7460940.8425971.1791241.380560.8670991.1648730.9875520.996618
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
us-gaap:PropertyPlantAndEquipmentNet ▆▆▄▃▂▂▂▂▃▃▄▅▅▅▅▆▇▇██▂▂▁0.0834440.0743160.0526470.0397450.0304220.0345180.0306230.0345540.0407470.0403930.0518320.0640390.0686350.0707090.0680710.0793440.0865240.0935160.100730.1044260.033790.0251920.016653
us-gaap:OperatingLeaseRightOfUseAsset ▁▅█1.2090371.4767111.739475NANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherAssetsNoncurrent ████▄▄▄▄▄▃▃▃▃▃▅▃▃▃▃▂▂▂▁0.3173750.3173750.3173750.3173750.1398750.1435750.1398750.1689690.1689690.1015160.1123450.1173560.1173560.1148890.1879520.1192910.1192910.1192910.1128210.0591250.05750.05750.026625
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
us-gaap:AccountsPayableCurrent ▆█▇▆▅▇▆▅▃▂▂▂▂▂▂▂▂▃▂▂▂▁▁11.61199614.62171713.50402211.3151269.36322512.19171410.9433259.4473596.137123.4341843.6872454.1673693.1751783.8745923.4354562.9429994.0386454.7407024.0811733.8675843.0350381.8304221.892363
us-gaap:LiabilitiesCurrent ▇▇▇▆▇██▆▄▃▃▃▃▃▄▃▃▃▂▂▂▁▁22.86366821.68278223.43785820.34153823.00195626.09986724.49474518.50898913.07017.70979710.82193810.9426969.5259849.42095112.1753368.4036168.211198.355757.1707126.7355365.1035583.9137322.631895
us-gaap:OperatingLeaseLiabilityCurrent ▁▇█1.0888411.1965391.220587NANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherAccruedLiabilitiesCurrent NANANA1.0308931.212421.1265020.6831780.7922880.5310210.4366370.5256130.4754740.590690.2347510.3328240.4725430.2845550.3995380.5873390.1950590.1680040.3031530.124768
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
 us-gaap:LongTermDebt us-gaap:Range,us-gaap:StatementScenario,us-gaap:DebtInstrument srt:Minimum,axsm:OutstandingAdvancesUnderLoanAgreementEqualsOrExceedsFiftyFiveMillion,axsm:TermLoan2020NANANA55.0NANANANANANANANANANANANANANANANANANANA
 us-gaap:LongTermDebt us-gaap:Range,us-gaap:StatementScenario,us-gaap:DebtInstrument srt:Minimum,axsm:OutstandingAdvancesUnderLoanAgreementEqualsOrExceedsSixtyFiveMillion,axsm:TermLoan2020NANANA65.0NANANANANANANANANANANANANANANANANANANA
us-gaap:LongTermDebtNoncurrent ████▃▃▃▃▃▃▁▁▁▁▁▂▂▂▂48.88259948.59794348.32184848.02610813.74432115.54413817.33262619.10814417.42472118.8175923.619424.4403755.1905125.9321916.6630057.3754398.0770638.7753289.470445NANANANA
us-gaap:OperatingLeaseLiabilityNoncurrent ▁▄█0.0818630.3299160.581708NANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo NANA0.63NANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
us-gaap:StockholdersEquity ▄▅▅▆▇▇█▁▂▂▁▁▁▁▂▂▂▂▂▂▂▃▃71.4366296.293199113.792909135.261758154.24331156.156866178.7223896.82259624.28294517.3736990.9379210.7427577.00889912.58615416.71722316.83905722.75460829.2804821.57145128.18291834.90435541.23451246.444261
us-gaap:CommonStockValue ███████▇▇▆▅▄▄▃▃▃▃▃▁▁▁▁▁0.0037650.0037560.0037370.0037330.0037260.0037070.0036930.003450.0034330.003330.0030090.0026830.0026250.0025550.0025490.0023670.0023610.0023540.0019160.0019150.0019150.0019150.001915
us-gaap:AdditionalPaidInCapital NANANA384.889471380.946215364.532798354.614189157.907655156.232409135.561052108.48521998.69336696.67759293.97400193.29951785.99103285.47305384.91461669.21098668.49351668.02036965.88733665.231144
us-gaap:AdditionalPaidInCapitalCommonStock █▅▁411.773127404.345506392.585265NANANA354.614189NANANANANANANANANANANANANANANANA
us-gaap:RetainedEarningsAccumulatedDeficit ▁▂▂▃▃▄▅▅▆▆▆▆▆▇▇▇▇▇▇████-340.340272-308.056063-278.796093-249.631446-226.706631-208.379639-175.9-151.088509-131.952897-118.190683-107.550307-97.953292-89.671318-81.390402-76.584843-69.154342-62.720806-55.63649-47.641451-40.312513-33.117929-24.654739-18.788798
 us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName,us-gaap:TypeOfArrangement axsm:LeerinkPartnersLimitedLiabilityCompany,axsm:DecemberTwoThousandNineteenSalesAgreement▁█1.16.3NANANANANANANANANANANANANANANANANANANANANA
 us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:SubsidiarySaleOfStock axsm:ShelfRegistrationNANANA0.012.4207.4NANANANANANANANANANANANANANANANANA
us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue █▁5.4562423.731097NA2.8688184.1480252.13353NA1.1564350.8885561.25631NA0.3926650.4746590.53457NANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▂▁▃▄▃▂▄▆▆▆▆▇▆▇▇▇▇▇▇▇▇██-25.393553-27.215489-20.553517-15.734586-18.895282-23.273184-17.567151-10.626908-8.68179-9.49921-9.793949-5.912033-7.66728-6.680439-6.29123-6.447402-7.096596-6.636424-7.216675-4.802371-5.314649-3.947609-2.250854
us-gaap:NetCashProvidedByUsedInInvestingActivities ▄▁▃▅█▆██-0.018877-0.029995-0.020287-0.014845-0.001428-0.009331-0.001461-0.003196NANA0.0-0.008481-0.009639-0.014576-1e-06-0.003603-0.003395-0.002899-0.006055-0.076254-0.011601-0.010651-0.004112
us-gaap:NetCashProvidedByUsedInFinancingActivities ▁▁▁▂▁▁█▁▂▂▁▁▁▁▁▁▁▂▁1.9713888.0291632.08996527.42761412.2654110.629756193.8929180.51882819.82190438.1549558.5419270.7898351.395667-0.6934138.6389710.1299390.07481315.0404539.953423NANANA45.670359
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▁▁▁▂▂▁█▁▂▃▂▂▂▂▂-23.441042-19.216321-18.48383911.678183-6.631299-22.652759176.324306-10.11127611.1286528.655745-1.252022-5.130679-6.281252-7.3884282.34774NANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
us-gaap:AmortizationOfFinancingCosts █▁0.1492810.143589NA0.0874250.1190140.1190140.1203210.1203220.126259NANANANANANANANANANANANANANA
us-gaap:IncreaseDecreaseInAccountsPayable ▁▆▇▆▁▆▆█▇▄▄▅▄▅▅▃▄▅▅▅▆▄▆-3.0097211.1176952.1888961.951901-2.8284891.2483891.4959663.3102392.702935-0.25306-0.4801240.992191-0.6994140.4391360.492457-1.095646-0.7020570.6595290.2135890.8325461.204616-0.0619411.148338
us-gaap:NetCashProvidedByUsedInOperatingActivities ▂▁▃▄▃▂▄▆▆▆▆▇▆▇▇▇▇▇▇▇▇██-25.393553-27.215489-20.553517-15.734586-18.895282-23.273184-17.567151-10.626908-8.68179-9.49921-9.793949-5.912033-7.66728-6.680439-6.29123-6.447402-7.096596-6.636424-7.216675-4.802371-5.314649-3.947609-2.250854
us-gaap:NetIncomeLoss ▁▂▂▃▄▁▃▄▆▆▇▇▇█▇▇▇▇▇▇▇▇█-32.284209-29.25997-29.164647-22.924815-18.326992-32.484146-24.806984-19.135612-13.762214-10.640376-9.597015-8.281974-8.280916-4.805559-7.430501-6.433536-7.084316-7.995039-7.328938-7.194584-6.81219-5.865941-3.364912
 us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents us-gaap:RetainedEarnings▁█-32.284209-29.25997NA-22.924815-18.326992-32.484146NA-19.135612-13.762214-10.640376NA-8.281974-8.280916-4.805559NANANANANANANANANA
us-gaap:ProfitLoss ▁▂▂▃▅▁▃▄▆▇▇▇▇█▇█▇▇-32.284209-29.25997-29.164647-22.924815-18.326992-32.484146-24.806984-19.135612-13.762214-10.640376-9.597015-8.281974-8.280916-4.805559-7.430501-6.433536-7.084316-7.995039NANANANANA
us-gaap:ShareBasedCompensation █▆█▄▆▄▄▂▂▂▁▁▁▁▁▁▁▂▁▁▁▂▁5.4562423.7310975.6058332.8688184.1480252.133532.8138591.1564350.8885561.256310.353080.3926650.4746590.534570.5369190.3880450.4836310.6636150.4347250.4584680.4820330.6561920.182361
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
us-gaap:NetCashProvidedByUsedInInvestingActivities ▄▁▃▅█▆██-0.018877-0.029995-0.020287-0.014845-0.001428-0.009331-0.001461-0.003196NANA0.0-0.008481-0.009639-0.014576-1e-06-0.003603-0.003395-0.002899-0.006055-0.076254-0.011601-0.010651-0.004112
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment ▅█▆▄▁▃▁▁0.0188770.0299950.0202870.0148450.0014280.0093310.0014610.003196NANA0.00.0084810.0096390.0145761e-060.0036030.0033950.0028990.0060550.0762540.0116010.0106510.004112
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
us-gaap:NetCashProvidedByUsedInFinancingActivities ▁▁▁▂▁▁█▁▂▂▁▁▁▁▁▁▁▂▁1.9713888.0291632.08996527.42761412.2654110.629756193.8929180.51882819.82190438.1549558.5419270.7898351.395667-0.6934138.6389710.1299390.07481315.0404539.953423NANANA45.670359
us-gaap:RepaymentsOfLongTermDebt NANA0.0NANANA0.00.00.07.2388890.8333330.8333330.8333340.833333NANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value3765.03756.03737.03733.03726.03707.03693.03450.03433.03330.03009.02683.02625.02555.02549.02367.02361.02354.01916.01915.01915.01915.01915.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Weighted Average Number Of Share Outstanding Basic And Diluted

us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted

us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted


Weighted
Period End2021-06-302021-03-312020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-31
Value37373737343333262525232319191919111111
Percentage of WeightedAverageNumberOfShareOutstandingBasicAndDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount


Antidilutive
Period End2021-03-312020-03-312019-03-312018-03-312017-06-302017-03-312016-03-312015-03-31
Value4705100.04181800.03281600.04860000.02419300.02444600.01270700.02047300.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities

us-gaap:EmployeeStockOption


Antidilutive
Period End2021-03-312020-03-312019-03-312018-03-312017-06-302017-03-312016-03-312015-03-31
Value4385600.03962700.03100200.02760900.02169500.02144800.0998200.0709290.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount93.294.894.556.889.787.778.634.6

us-gaap:RestrictedStockUnitsRSU


Antidilutive
Period End2021-03-312020-03-31
Value303980.0149390.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount6.53.6

us-gaap:Warrant


Antidilutive
Period End2021-03-312020-03-312019-03-312018-03-312017-06-302017-03-312016-03-312015-03-31
Value15541.069656.0181370.02099100.0249800.0299800.0272470.0272470.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount0.31.75.543.210.312.321.413.3

Earnings Per Share Basic And Diluted

us-gaap:EarningsPerShareBasicAndDiluted

us-gaap:EarningsPerShareBasicAndDiluted


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-0.86-0.78-0.79-0.61-0.49-0.88-0.71-0.56-0.41-0.32-0.32-0.31-0.32-0.19-0.31-0.27-0.3-0.41-0.38-0.38-0.36-0.31-0.23-0.41-0.19-0.19
Percentage of EarningsPerShareBasicAndDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Allocated Share Based Compensation Expense

us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:AllocatedShareBasedCompensationExpense


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value5.4562423.7310975.6058332.8688184.1480252.133532.8138591.1564350.8885561.256310.353080.3926650.4746590.534570.5369190.3880450.4836310.6636150.4347250.4584680.4820330.6561920.1823610.3607450.1854130.07476
Percentage of AllocatedShareBasedCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AllocatedShareBasedCompensationExpense us-gaap:AwardType

us-gaap:RestrictedStockUnitsRSU


Allocated
Period End2020-09-302020-06-302020-03-31
Value0.1-2.16.7
Percentage of AllocatedShareBasedCompensationExpense3.5-50.6314.0
Percentage of Revenues0.00.00.0
Percentage of Revenues us-gaap:RestrictedStockUnitsRSU0.00.00.0

us-gaap:AllocatedShareBasedCompensationExpense us-gaap:IncomeStatementLocation

us-gaap:GeneralAndAdministrativeExpense


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value3.1537382.1967024.1845432.0080743.1104951.4991551.882360.8702010.6238251.1546090.2728870.3017740.3445940.4437730.3313670.2607230.3428290.5236620.2613270.2841810.2548390.1154450.0779940.037190.0342530.030941
Percentage of AllocatedShareBasedCompensationExpense57.858.974.670.075.070.366.975.270.291.977.376.972.683.061.767.270.978.960.162.052.917.642.810.318.541.4
Percentage of Revenues0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Revenues us-gaap:GeneralAndAdministrativeExpense0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ResearchAndDevelopmentExpense


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value2.3025041.5343951.421290.8607441.037530.6343750.9314990.2862340.2647310.1017010.0801930.0908910.1300650.0907970.2055520.1273220.1408020.1399530.1733980.1742870.2271940.5407470.1043670.3235550.151160.043819
Percentage of AllocatedShareBasedCompensationExpense42.241.125.430.025.029.733.124.829.88.122.723.127.417.038.332.829.121.139.938.047.182.457.289.781.558.6
Percentage of Revenues0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Revenues us-gaap:ResearchAndDevelopmentExpense0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Gains Losses On Extinguishment Of Debt

us-gaap:GainsLossesOnExtinguishmentOfDebt

us-gaap:GainsLossesOnExtinguishmentOfDebt


Gains
Period End2020-12-312020-09-302015-12-312015-09-30
Value0-1247000.00-2444500.0
Percentage of GainsLossesOnExtinguishmentOfDebt0.0100.00.0100.0
Percentage of Revenues0.00.00.00.0

us-gaap:GainsLossesOnExtinguishmentOfDebt us-gaap:DebtInstrument

axsm:TermLoan2020


Gains
Period End2020-12-31
Value0
Percentage of GainsLossesOnExtinguishmentOfDebt0.0
Percentage of Revenues0.0
Percentage of Revenues axsm:TermLoan20200.0

General And Administrative Expense

us-gaap:GeneralAndAdministrativeExpense

us-gaap:GeneralAndAdministrativeExpense


General
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value1611106.3313087.2358774.9700575.2228993.1116622.4450772.8183922.2990832.2026792.4390612.4106991.950211.826291.7433771.6868141.8187891.6390261.529221.3566130.9466180.4994210.456410.51684
Percentage of GeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Interest Paid Net

us-gaap:InterestPaidNet

us-gaap:InterestPaidNet


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1169200.01143800.0917960.0416840.0383330.0379170.0308340.0383330.0379170.0216670.0186940.0182360.0195800.0206870.0
Percentage of InterestPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-32284000.0-29260000.0-29165000.0-22925000.0-18327000.0-32484000.0-24807000.0-19136000.0-13762000.0-10640000.0-9597000.0-8282000.0-8280900.0-4805600.0-7430500.0-6433500.0-7084300.0-7995000.0-7328900.0-7194600.0-6812200.0-5865900.0-3364900.0-4576100.0-2129400.0-2140100.0
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-32284000.0-29260000.0-22925000.0-18327000.0-32484000.0-19136000.0-13762000.0-10640000.0-8282000.0-8280900.0-4805600.0
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.00.00.00.00.00.00.00.00.00.00.0
Percentage of Revenues us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.0

Operating Expenses

us-gaap:OperatingExpenses

us-gaap:OperatingExpenses


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value302727211732241813109.4503158.2434597.9895937.163216.444126.2974166.7507387.6720337.625567.2078036.827285.8828653.1545332.0238162.0848041.933123
Percentage of OperatingExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Operating Income Loss

us-gaap:OperatingIncomeLoss

us-gaap:OperatingIncomeLoss


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-30848000.0-27844000.0-27744000.0-21127000.0-17779000.0-32491000.0-24428000.0-18947000.0-13448000.0-10421000.09450300.0-8243500.0-7989600.0-7163200.06444100.0-6297400.0-6750700.0-7672000.07625600.0-7207800.0-6827300.0-5882900.03154500.0-2023800.0-2084800.0-1933100.0
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-32284000.0-29260000.0-29165000.0-22925000.0-18327000.0-32484000.0-24807000.0-19136000.0-13762000.0-10640000.0-9597000.0-8282000.0-8280900.0-4805600.0-7430500.0-6433500.0-7084300.0-7995000.0
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Research And Development Expense

us-gaap:ResearchAndDevelopmentExpense

us-gaap:ResearchAndDevelopmentExpense


Research
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value1416171410271915117.6030817.1512326.040785.5505324.7525114.493914.4711265.0073615.9852195.8067715.5687775.298064.5262522.2079151.5243951.6283941.416283
Percentage of ResearchAndDevelopmentExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ResearchAndDevelopmentExpense us-gaap:CounterpartyName, us-gaap:ResearchAndDevelopmentArrangementContractToPerformForOthersByType

axsm:PfizerInc, us-gaap:LicenseAgreementTerms


Research
Period End2020-12-312020-09-302020-06-302020-03-31
Value0.00.00.010
Percentage of ResearchAndDevelopmentExpense0.00.00.037.1
Percentage of Revenues0.00.00.00.0
Percentage of Revenues axsm:PfizerInc us-gaap:LicenseAgreementTerms0.00.00.00.0

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value14316618620319019722044544315162127353239463834404549
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Liabilities

us-gaap:Liabilities

us-gaap:Liabilities


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value717072683641413730261415141518151617162.631895
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets50.142.338.933.619.221.119.084.655.760.493.995.467.755.053.048.441.736.943.55.4

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value14316618620319019722044544315162127353239463834404549
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312013-12-31
Value71961131351541561786.82259624170.9379210.7427577.00889912161622292128344146-3.202575-2.027811
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets49.957.761.166.480.878.981.015.444.339.66.14.632.345.047.051.658.363.156.580.787.291.394.60.00.0

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value4114043923843803643541571561351089896939369665.0255330.205177
Percentage of StockholdersEquity576.4419.9345.0284.6247.0233.4198.42314.5643.4780.311566.613287.41379.4746.6558.1320.8144.0-156.9-10.1
Percentage of Assets287.4242.3210.9189.0199.5184.3160.8355.3285.2308.8705.4612.0445.0336.4262.4181.1136.30.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value0.0037650.0037560.0037370.0037330.0037260.0037070.0036930.003450.0034330.003330.0030090.0026830.0026250.0025550.0025490.0019160.0019150.0011110.000769
Percentage of StockholdersEquity0.00.00.00.00.00.00.00.10.00.00.30.40.00.00.00.00.0-0.0-0.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value-340.340272-308.056063-278.796093-249.631446-226.706631-208.379639-175.895493-151.088509-131.952897-118.190683-107.550307-97.953292-89.671318-81.390402-76.584843-47.641451-20.439798-8.229219-2.228657
Percentage of StockholdersEquity-476.4-319.9-245.0-184.6-147.0-133.4-98.4-2214.5-543.4-680.3-11466.9-13187.8-1279.4-646.7-458.1-220.9-44.0257.0109.9
Percentage of Assets-237.6-184.6-149.8-122.6-118.7-105.3-79.8-340.0-240.9-269.2-699.3-607.4-412.7-291.3-215.4-124.7-41.60.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Assets Current

us-gaap:AssetsCurrent

us-gaap:AssetsCurrent


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value14116518420319019722044544315152127353238463734394549
Percentage of AssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets98.998.998.999.899.999.999.999.599.699.798.998.999.199.399.399.499.599.599.499.599.899.899.9

Cash

us-gaap:Cash

us-gaap:Cash


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value141164183202190197219435342131520263431374536333844484.6208676.4142731.6904332.6178152.087843
Percentage of Cash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets98.698.798.899.499.899.899.798.298.197.190.894.493.795.395.797.197.397.095.897.096.997.697.90.00.00.00.00.0

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


Cash
Period End2021-06-302021-03-312020-12-312019-12-31
Value141164183219
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0
Percentage of Assets98.698.798.899.7

Prepaid Expense And Other Assets Current

us-gaap:PrepaidExpenseAndOtherAssetsCurrent

us-gaap:PrepaidExpenseAndOtherAssetsCurrent


Prepaid
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value435800.0375310.0148370.0911990.0137180.0309370.0413100.0594340.0814910.01134700.01246400.0723670.01188000.01121000.01278400.0746090.0842600.01179100.01380600.0867100.01164900.0987550.0996620.0
Percentage of PrepaidExpenseAndOtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.30.20.10.40.10.20.21.31.52.68.14.55.54.03.62.32.22.53.62.52.92.22.0

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:PropertyPlantAndEquipmentNet


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value83444.074316.052647.039745.030422.034518.030623.034554.040747.040393.051832.064039.068635.070709.068071.079344.086524.093516.0100730.0104430.033790.025192.016653.0
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.00.00.00.00.00.00.10.10.10.30.40.30.30.20.20.20.20.30.30.10.10.0

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


Operating
Period End2021-06-302021-03-312020-12-31
Value1209000.01476700.01739500.0
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0
Percentage of Assets0.80.90.9

Other Assets Noncurrent

us-gaap:OtherAssetsNoncurrent

us-gaap:OtherAssetsNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value317380.0317380.0317380.0317380.0139880.0143580.0139880.0168970.0168970.0101520.0112340.0117360.0117360.0114890.0187950.0119290.0119290.0119290.0112820.059125.057500.057500.026625.0
Percentage of OtherAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.20.20.20.20.10.10.10.40.30.20.70.70.50.40.50.40.30.30.30.20.10.10.1

Accounts Payable Current

us-gaap:AccountsPayableCurrent

us-gaap:AccountsPayableCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value111413119.36322512109.4473596.137123.4341843.6872454.1673693.1751783.8745923.4354562.9429994.0386454.7407024.0811733.8675843.0350381.8304221.892363
Percentage of AccountsPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets8.18.87.35.64.96.25.021.311.27.824.025.814.613.99.79.010.310.210.711.17.64.13.9

Liabilities Current

us-gaap:LiabilitiesCurrent

us-gaap:LiabilitiesCurrent


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value2221232023262418137.70979710109.5259849.420951128.4036168.211198.355757.1707126.7355365.1035583.9137322.631895
Percentage of LiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets16.013.012.610.012.013.211.141.623.917.670.467.943.833.734.225.821.018.018.819.312.88.75.4

Operating Lease Liability Current

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OperatingLeaseLiabilityCurrent


Operating
Period End2021-06-302021-03-312020-12-31
Value1088800.01196500.01220600.0
Percentage of OperatingLeaseLiabilityCurrent100.0100.0100.0
Percentage of Assets0.80.70.7

Other Accrued Liabilities Current

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:OtherAccruedLiabilitiesCurrent


Other
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value1030900.01212400.01126500.0683180.0792290.0531020.0436640.0525610.0475470.0590690.0234750.0332820.0472540.0284560.0399540.0587340.0195060.0168000.0303150.0124770.0
Percentage of OtherAccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.50.60.60.31.81.01.03.42.92.70.80.91.40.70.91.50.60.40.70.3

Long Term Debt

us-gaap:LongTermDebt us-gaap:Range, us-gaap:StatementScenario, us-gaap:DebtInstrument

us-gaap:LongTermDebt

srt:Minimum, axsm:OutstandingAdvancesUnderLoanAgreementEqualsOrExceedsFiftyFiveMillion, axsm:TermLoan2020


Long
Period End2020-09-30
Value55
Percentage of LongTermDebt100.0
Percentage of Assets27.0
Percentage of Assets srt:Minimum axsm:OutstandingAdvancesUnderLoanAgreementEqualsOrExceedsFiftyFiveMillion axsm:TermLoan20200.0

srt:Minimum, axsm:OutstandingAdvancesUnderLoanAgreementEqualsOrExceedsSixtyFiveMillion, axsm:TermLoan2020


Long
Period End2020-09-30
Value65
Percentage of LongTermDebt118.2
Percentage of Assets31.9
Percentage of Assets srt:Minimum axsm:OutstandingAdvancesUnderLoanAgreementEqualsOrExceedsSixtyFiveMillion axsm:TermLoan20200.0

Long Term Debt Noncurrent

us-gaap:LongTermDebtNoncurrent

us-gaap:LongTermDebtNoncurrent


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value484848481315171917183.619424.4403755.1905125.9321916.6630057.3754398.0770638.7753289.470445
Percentage of LongTermDebtNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets34.129.126.023.67.27.97.943.031.842.923.527.523.921.218.722.620.718.924.8

Operating Lease Liability Noncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent


Operating
Period End2021-06-302021-03-312020-12-31
Value81863.0329920.0581710.0
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0100.0
Percentage of Assets0.10.20.3

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2020-12-31
Value630000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0
Percentage of Assets0.3

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2021-06-302021-03-312020-12-31
Value1170700.01526500.01802300.0
Percentage of OperatingLeaseLiability100.0100.0100.0
Percentage of Assets0.80.91.0

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2021-06-302021-03-312020-12-31
Value1205000.01580000.01880000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0100.0100.0
Percentage of Assets0.80.91.0

Lessee Operating Lease Liability Undiscounted Excess Amount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount


Lessee
Period End2021-06-302021-03-312020-12-31
Value34296.053545.077705.0
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0100.0100.0
Percentage of Assets0.00.00.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312013-12-31
Value71961131351541561786.82259624170.9379210.7427577.00889912161622292128344146-3.202575-2.027811
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets49.957.761.166.480.878.981.015.444.339.66.14.632.345.047.051.658.363.156.580.787.291.394.60.00.0

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value4114043923843803643541571561351089896939369665.0255330.205177
Percentage of StockholdersEquity576.4419.9345.0284.6247.0233.4198.42314.5643.4780.311566.613287.41379.4746.6558.1320.8144.0-156.9-10.1
Percentage of Assets287.4242.3210.9189.0199.5184.3160.8355.3285.2308.8705.4612.0445.0336.4262.4181.1136.30.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value0.0037650.0037560.0037370.0037330.0037260.0037070.0036930.003450.0034330.003330.0030090.0026830.0026250.0025550.0025490.0019160.0019150.0011110.000769
Percentage of StockholdersEquity0.00.00.00.00.00.00.00.10.00.00.30.40.00.00.00.00.0-0.0-0.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value-340.340272-308.056063-278.796093-249.631446-226.706631-208.379639-175.895493-151.088509-131.952897-118.190683-107.550307-97.953292-89.671318-81.390402-76.584843-47.641451-20.439798-8.229219-2.228657
Percentage of StockholdersEquity-476.4-319.9-245.0-184.6-147.0-133.4-98.4-2214.5-543.4-680.3-11466.9-13187.8-1279.4-646.7-458.1-220.9-44.0257.0109.9
Percentage of Assets-237.6-184.6-149.8-122.6-118.7-105.3-79.8-340.0-240.9-269.2-699.3-607.4-412.7-291.3-215.4-124.7-41.60.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value3765.03756.03737.03733.03726.03707.03693.03450.03433.03330.03009.02683.02625.02555.02549.02367.02361.02354.01916.01915.01915.01915.01915.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Additional Paid In Capital

us-gaap:AdditionalPaidInCapital

us-gaap:AdditionalPaidInCapital


Additional
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value384380364354157156135108989693938585846968686565
Percentage of AdditionalPaidInCapital100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets189.0199.5184.3160.8355.3285.2308.8705.4612.0445.0336.4262.4263.6218.9183.0181.1196.2170.0145.9132.9

Additional Paid In Capital Common Stock

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:AdditionalPaidInCapitalCommonStock


Additional
Period End2021-06-302021-03-312020-12-312019-12-31
Value411404392354
Percentage of AdditionalPaidInCapitalCommonStock100.0100.0100.0100.0
Percentage of Assets287.4242.3210.9160.8

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value-340340000.0-308060000.0-278800000.0-249630000.0-226710000.0-208380000.0-175900000.0-151090000.0-131950000.0-118190000.0-107550000.0-97953000.0-89671000.0-81390000.0-76585000.0-69154000.0-62721000.0-55636000.0-47641000.0-40313000.0-33118000.0-24655000.0-18789000.0
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-237.6-184.6-149.8-122.6-118.7-105.3-79.8-340.0-240.9-269.2-699.3-607.4-412.7-291.3-215.4-212.0-160.6-119.9-124.7-115.4-82.8-54.6-38.3

Stock Issued During Period Value New Issues

us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:TypeOfArrangement

us-gaap:StockIssuedDuringPeriodValueNewIssues

axsm:LeerinkPartnersLimitedLiabilityCompany, axsm:DecemberTwoThousandNineteenSalesAgreement


Stock
Period End2021-06-302021-03-31
Value1.16.3
Percentage of StockIssuedDuringPeriodValueNewIssues100.0100.0
Percentage of Assets0.00.0
Percentage of Assets axsm:LeerinkPartnersLimitedLiabilityCompany axsm:DecemberTwoThousandNineteenSalesAgreement0.00.0

us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:SubsidiarySaleOfStock

axsm:ShelfRegistration


Stock
Period End2020-09-302020-06-302020-03-31
Value0.012207
Percentage of StockIssuedDuringPeriodValueNewIssues0.00.00.0
Percentage of Assets0.00.00.0
Percentage of Assets axsm:ShelfRegistration0.00.00.0

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

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value5.4562423.7310972.8688184.1480252.133531.1564350.8885561.256310.3926650.4746590.53457
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value5.4562423.7310972.8688184.1480252.133531.1564350.8885561.256310.3926650.4746590.53457
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-25394000.0-27215000.0-20554000.0-15735000.0-18895000.0-23273000.0-17567000.0-10627000.0-8681800.0-9499200.0-9793900.0-5912000.0-7667300.0-6680400.0-6291200.0-6447400.0-7096600.0-6636400.0-7216700.0-4802400.0-5314600.0-3947600.0-2250900.0-1922500.0-2106800.0-1158900.0
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-18877.0-29995.0-20287.0-14845.0-1428.0-9331.0-1461.0-3196.00-8481.0-9639.0-14576.0-1.0-3603.0-3395.0-2899.0-6055.0-76254.0-11601.0-10651.0-4112.0-4407.0-1420.0-10256.0
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value1.9713888.0291632.08996527120.6297561930.51882819388.5419270.7898351.395667-0.6934138.6389710.1299390.074813159.95342345
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value-23.441042-19.216321-18.48383911-6.631299-22.652759176-10.1112761128-1.252022-5.130679-6.281252-7.3884282.34774
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Amortization Of Financing Costs

us-gaap:AmortizationOfFinancingCosts

us-gaap:AmortizationOfFinancingCosts


Amortization
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value149280.0143590.087425.0119010.0119010.0120320.0120320.0126260.0
Percentage of AmortizationOfFinancingCosts100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AmortizationOfFinancingCosts us-gaap:DebtInstrument

us-gaap:LineOfCredit


Amortization
Period End2020-09-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value87425.0120320.0120320.0126260.069665.056269.063636.070177.076586.085628.088074.087117.0
Percentage of AmortizationOfFinancingCosts100.0100.0100.0100.00.00.00.00.00.00.00.00.0

Increase Decrease In Accounts Payable

us-gaap:IncreaseDecreaseInAccountsPayable

us-gaap:IncreaseDecreaseInAccountsPayable


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-3009700.01117700.02188900.01951900.0-2828500.01248400.01496000.03310200.02702900.0-253060.0-480120.0992190.0-699410.0439140.0492460.0-1095600.0-702060.0659530.0213590.0832550.01204600.0-61941.01148300.0-330420.0-167390.0483670.0
Percentage of IncreaseDecreaseInAccountsPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-25394000.0-27215000.0-20554000.0-15735000.0-18895000.0-23273000.0-17567000.0-10627000.0-8681800.0-9499200.0-9793900.0-5912000.0-7667300.0-6680400.0-6291200.0-6447400.0-7096600.0-6636400.0-7216700.0-4802400.0-5314600.0-3947600.0-2250900.0-1922500.0-2106800.0-1158900.0
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-32284000.0-29260000.0-29165000.0-22925000.0-18327000.0-32484000.0-24807000.0-19136000.0-13762000.0-10640000.0-9597000.0-8282000.0-8280900.0-4805600.0-7430500.0-6433500.0-7084300.0-7995000.0-7328900.0-7194600.0-6812200.0-5865900.0-3364900.0-4576100.0-2129400.0-2140100.0
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-32284000.0-29260000.0-22925000.0-18327000.0-32484000.0-19136000.0-13762000.0-10640000.0-8282000.0-8280900.0-4805600.0
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.00.00.00.00.00.00.00.00.00.00.0
Percentage of Revenues us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.0

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-32284000.0-29260000.0-29165000.0-22925000.0-18327000.0-32484000.0-24807000.0-19136000.0-13762000.0-10640000.0-9597000.0-8282000.0-8280900.0-4805600.0-7430500.0-6433500.0-7084300.0-7995000.0
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Share Based Compensation

us-gaap:ShareBasedCompensation

us-gaap:ShareBasedCompensation


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value5.4562423.7310975.6058332.8688184.1480252.133532.8138591.1564350.8885561.256310.353080.3926650.4746590.534570.5369190.3880450.4836310.6636150.4347250.4584680.4820330.6561920.1823610.3607450.1854130.07476
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-18877.0-29995.0-20287.0-14845.0-1428.0-9331.0-1461.0-3196.00-8481.0-9639.0-14576.0-1.0-3603.0-3395.0-2899.0-6055.0-76254.0-11601.0-10651.0-4112.0-4407.0-1420.0-10256.0
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Payments To Acquire Property Plant And Equipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value18877.029995.020287.014845.01428.09331.01461.03196.008481.09639.014576.01.03603.03395.02899.06055.076254.011601.010651.04112.04407.01420.010256.0
Percentage of PaymentsToAcquirePropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value1.9713888.0291632.08996527120.6297561930.51882819388.5419270.7898351.395667-0.6934138.6389710.1299390.074813159.95342345
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Repayments Of Long Term Debt

us-gaap:RepaymentsOfLongTermDebt

us-gaap:RepaymentsOfLongTermDebt


Repayments
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.00.00.00.07.2388890.8333330.8333330.8333340.833333
Percentage of RepaymentsOfLongTermDebt0.00.00.00.0100.0100.0100.0100.0100.0

Effective Income Tax Rate Continuing Operations

us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:EffectiveIncomeTaxRateContinuingOperations


Effective
Period End2020-12-31
Value0
Percentage of EffectiveIncomeTaxRateContinuingOperations0.0

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

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-31
Value26.3524.0416.0316.9517.0616.0410.199.017.657.245.064.834.915.135.575.525.525.555.745.735.713.943.942.03
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Valuation Allowance

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:DeferredTaxAssetsValuationAllowance


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value107684128227.756147
Percentage of DeferredTaxAssetsValuationAllowance100.0100.0100.0100.0100.0100.0

axsm:AdjustmentsToAdditionalPaidInCapitalSharesTenderedForWithholdingTaxes

axsm:AdjustmentsToAdditionalPaidInCapitalSharesTenderedForWithholdingTaxes


Adjustments
Period End2021-06-30
Value84010.0
Percentage of AdjustmentsToAdditionalPaidInCapitalSharesTenderedForWithholdingTaxes100.0

axsm:AdjustmentsToAdditionalPaidInCapitalSharesTenderedForWithholdingTaxes us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-06-30
Value84010.0
Percentage of AdjustmentsToAdditionalPaidInCapitalSharesTenderedForWithholdingTaxes100.0

us-gaap:CommonStock


Adjustments
Period End2021-06-30
Value0
Percentage of AdjustmentsToAdditionalPaidInCapitalSharesTenderedForWithholdingTaxes0.0

axsm:ChangeInOperatingLeaseLiability

axsm:ChangeInOperatingLeaseLiability


Change
Period End2021-06-302021-03-31
Value-355750.0-275840.0
Percentage of ChangeInOperatingLeaseLiability100.0100.0

axsm:DebtInstrumentAggregateAmountPercentage us-gaap:StatementEquityComponents

axsm:DebtInstrumentAggregateAmountPercentage

us-gaap:Warrant


Debt
Period End2021-06-302021-03-31
Value02.5
Percentage of DebtInstrumentAggregateAmountPercentage0.0100.0

axsm:DebtInstrumentFinalPaymentFeeThresholdPercentageOfDebtOutstanding us-gaap:DebtInstrument

axsm:DebtInstrumentFinalPaymentFeeThresholdPercentageOfDebtOutstanding

axsm:TermLoan2020


Debt
Period End2020-09-30
Value4.85
Percentage of DebtInstrumentFinalPaymentFeeThresholdPercentageOfDebtOutstanding100.0

axsm:DebtInstrumentPrepaymentPenaltyPercentage us-gaap:StatementScenario, us-gaap:DebtInstrument

axsm:DebtInstrumentPrepaymentPenaltyPercentage

axsm:DebtInstrumentPrepaymentOccurringPriorToFirstAnniversaryOfClosingDate, axsm:TermLoan2020


Debt
Period End2020-09-30
Value2.0
Percentage of DebtInstrumentPrepaymentPenaltyPercentage100.0

axsm:DebtInstrumentPrepaymentOccursOnOrAfterFirstAnniversaryAndPriorToSecondAnniversaryOfClosingDate, axsm:TermLoan2020


Debt
Period End2020-09-30
Value1.5
Percentage of DebtInstrumentPrepaymentPenaltyPercentage75.0

axsm:DebtInstrumentPrepaymentOccursOnOrAfterSecondAnniversaryAndPriorToThirdAnniversaryOfClosingDate, axsm:TermLoan2020


Debt
Period End2020-09-30
Value1.0
Percentage of DebtInstrumentPrepaymentPenaltyPercentage50.0

axsm:DebtInstrumentThresholdCashPayInterestRate us-gaap:DebtInstrument

axsm:DebtInstrumentThresholdCashPayInterestRate

axsm:TermLoan2020


Debt
Period End2020-09-30
Value1.0
Percentage of DebtInstrumentThresholdCashPayInterestRate100.0

axsm:ExtinguishmentOfDebtFeeAmount us-gaap:DebtInstrument

axsm:ExtinguishmentOfDebtFeeAmount

axsm:TermLoan2020


Extinguishment
Period End2020-09-30
Value2910000.0
Percentage of ExtinguishmentOfDebtFeeAmount100.0

axsm:IncreaseDecreaseInPrepaidExpenseAndOtherAssetsCurrent

axsm:IncreaseDecreaseInPrepaidExpenseAndOtherAssetsCurrent


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value60498.0226930.0-763620.0774810.0-172190.0-103720.0-181250.0-220570.0-319780.0-111670.0522690.0-464290.066958.0-157420.0532320.0-96503.0-336530.0-201440.0513460.0-297770.0177320.0-9066.0652210.091406.0191780.0-64724.0
Percentage of IncreaseDecreaseInPrepaidExpenseAndOtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

axsm:LongTermDebtAdditionalDrawnCovenantMinimumCashToBeMaintainedAsSecurityPercent us-gaap:StatementScenario, us-gaap:DebtInstrument

axsm:LongTermDebtAdditionalDrawnCovenantMinimumCashToBeMaintainedAsSecurityPercent

axsm:OutstandingAdvancesUnderLoanAgreementEqualsOrExceedsSixtyFiveMillion, axsm:TermLoan2020


Long
Period End2020-09-30
Value100.0
Percentage of LongTermDebtAdditionalDrawnCovenantMinimumCashToBeMaintainedAsSecurityPercent100.0

axsm:LongTermDebtAdditionalDrawnCovenantMinimumCashToBeMaintainedAsSecurityWithMarketCapitalizationCovenantPercent us-gaap:StatementScenario, us-gaap:DebtInstrument

axsm:LongTermDebtAdditionalDrawnCovenantMinimumCashToBeMaintainedAsSecurityWithMarketCapitalizationCovenantPercent

axsm:OutstandingAdvancesUnderLoanAgreementEqualsOrExceedsSixtyFiveMillion, axsm:TermLoan2020


Long
Period End2020-09-30
Value65.0
Percentage of LongTermDebtAdditionalDrawnCovenantMinimumCashToBeMaintainedAsSecurityWithMarketCapitalizationCovenantPercent100.0

axsm:LongTermDebtAdditionalDrawnCovenantMinimumMarketCapitalizationAmount us-gaap:StatementScenario, us-gaap:DebtInstrument

axsm:LongTermDebtAdditionalDrawnCovenantMinimumMarketCapitalizationAmount

axsm:OutstandingAdvancesUnderLoanAgreementEqualsOrExceedsSixtyFiveMillion, axsm:TermLoan2020


Long
Period End2020-09-30
Value2000
Percentage of LongTermDebtAdditionalDrawnCovenantMinimumMarketCapitalizationAmount100.0

axsm:LongTermDebtAdditionalDrawnMinimumRevenuePercent us-gaap:ProductOrService, us-gaap:StatementScenario, us-gaap:DebtInstrument

axsm:LongTermDebtAdditionalDrawnMinimumRevenuePercent

axsm:Axs05AndAxs07, axsm:OutstandingAdvancesUnderLoanAgreementEqualsOrExceedsSixtyFiveMillion, axsm:TermLoan2020


Long
Period End2020-09-30
Value60.0
Percentage of LongTermDebtAdditionalDrawnMinimumRevenuePercent100.0

axsm:NoncashResearchAndDevelopmentExpense

axsm:NoncashResearchAndDevelopmentExpense


Noncash
Period End2020-12-312020-09-302020-06-302020-03-31
Value0007155300.0
Percentage of NoncashResearchAndDevelopmentExpense0.00.00.0100.0

axsm:ProceedsFromFirstAdvanceUsedToRepayPreviousDebt us-gaap:DebtInstrument

axsm:ProceedsFromFirstAdvanceUsedToRepayPreviousDebt

axsm:TermLoan2020


Proceeds
Period End2020-09-30
Value21
Percentage of ProceedsFromFirstAdvanceUsedToRepayPreviousDebt100.0

axsm:StockIssuedDuringPeriodValueFinancing

axsm:StockIssuedDuringPeriodValueFinancing


Stock
Period End2021-06-302021-03-312020-06-302020-03-312019-06-302019-03-312018-09-302018-06-302018-03-31
Value1.0965036.115864127.15533719241.5906672.2290020.13992
Percentage of StockIssuedDuringPeriodValueFinancing100.0100.0100.0100.0100.0100.0100.0100.0100.0

axsm:StockIssuedDuringPeriodValueFinancing us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-06-302020-03-312019-06-302019-03-312018-09-302018-06-302018-03-31
Value1.0965016.115855127.15532919241.5906122.2289320.139914
Percentage of StockIssuedDuringPeriodValueFinancing100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312020-06-302020-03-312019-06-302019-03-312018-09-302018-06-302018-03-31
Value2e-069e-061.4e-058e-069.5e-050.0003165.5e-057e-056e-06
Percentage of StockIssuedDuringPeriodValueFinancing0.00.00.00.00.00.00.00.00.0

axsm:StockIssuedDuringPeriodValueNewIssuesNet us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName, us-gaap:TypeOfArrangement

axsm:StockIssuedDuringPeriodValueNewIssuesNet

axsm:LeerinkPartnersLimitedLiabilityCompany, axsm:DecemberTwoThousandNineteenSalesAgreement


Stock
Period End2021-06-302021-03-31
Value1.16.1
Percentage of StockIssuedDuringPeriodValueNewIssuesNet100.0100.0

axsm:StockIssuedDuringPeriodValueWarrantsExercised

axsm:StockIssuedDuringPeriodValueWarrantsExercised


Stock
Period End2020-09-302020-06-302019-09-302019-06-302018-09-30
Value3.03.034990.0144870.032500.0
Percentage of StockIssuedDuringPeriodValueWarrantsExercised100.0100.0100.0100.0100.0

axsm:StockIssuedDuringPeriodValueWarrantsExercised us-gaap:StatementEquityComponents

us-gaap:CommonStock


Stock
Period End2020-09-302020-06-302019-09-302019-06-302018-09-30
Value3.03.04.02.03.0
Percentage of StockIssuedDuringPeriodValueWarrantsExercised100.0100.00.00.00.0

axsm:StockVestedDuringPeriodValueRestrictedCommonStockAward us-gaap:StatementEquityComponents

axsm:StockVestedDuringPeriodValueRestrictedCommonStockAward

us-gaap:CommonStock


Stock
Period End2021-06-30
Value0
Percentage of StockVestedDuringPeriodValueRestrictedCommonStockAward0.0

axsm:WarrantsExercisedInPeriodWeightedAverageExercisePrice

axsm:WarrantsExercisedInPeriodWeightedAverageExercisePrice


Warrants
Period End2020-12-31
Value0
Percentage of WarrantsExercisedInPeriodWeightedAverageExercisePrice0.0

axsm:WarrantsIssuedDuringPeriodDebtFinancing

axsm:WarrantsIssuedDuringPeriodDebtFinancing


Warrants
Period End2020-09-302019-06-302019-03-31
Value884220.0-39000.0426000.0
Percentage of WarrantsIssuedDuringPeriodDebtFinancing100.0100.0100.0

axsm:WarrantsIssuedDuringPeriodDebtFinancing us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Warrants
Period End2020-09-302019-06-302019-03-31
Value884220.0-39000.0426000.0
Percentage of WarrantsIssuedDuringPeriodDebtFinancing100.0100.0100.0

axsm:WarrantsIssuedInPeriodWeightedAverageExercisePrice

axsm:WarrantsIssuedInPeriodWeightedAverageExercisePrice


Warrants
Period End2020-12-31
Value0
Percentage of WarrantsIssuedInPeriodWeightedAverageExercisePrice0.0

us-gaap:AmortizationOfDebtDiscountPremium

us-gaap:AmortizationOfDebtDiscountPremium


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value284660.0276100.0295740.0134340.0179010.0177650.0178250.0176920.0187380.0107430.082055.088576.096523.0108480.0117650.0119620.0117610.0115640.0
Percentage of AmortizationOfDebtDiscountPremium100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AmortizationOfDebtDiscountPremium us-gaap:StatementEquityComponents

us-gaap:Warrant


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value132510.0132510.0151520.046920.059998.058638.057930.056602.061126.037768.025787.024940.026346.031895.0
Percentage of AmortizationOfDebtDiscountPremium46.648.051.234.933.533.032.532.032.635.231.428.227.329.4

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

us-gaap:DebtInstrumentBasisSpreadOnVariableRate1

axsm:TermLoan2020, us-gaap:PrimeRate


Debt
Period End2020-09-30
Value5.9
Percentage of DebtInstrumentBasisSpreadOnVariableRate1100.0

us-gaap:Depreciation

us-gaap:Depreciation


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value9749.08326.07382.05522.05524.05436.05392.09389.011110.011439.012207.013077.011713.011938.011274.010783.010387.010113.09751.05618.03003.02112.01251.01122.0865.0304.0
Percentage of Depreciation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities

us-gaap:IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value4298300.0-2848700.0-313160.01934900.0-2248300.0-1609400.02536000.03635100.01038100.0-103450.0455530.0434140.0800580.0-526480.0
Percentage of IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherNoncurrentAssets

us-gaap:IncreaseDecreaseInOtherNoncurrentAssets


Increase
Period End2020-12-312020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value03700.0-29094.0067453.0-10829.0-5011.002467.0-73063.068661.0006470.053696.01625.0030875.03625.0
Percentage of IncreaseDecreaseInOtherNoncurrentAssets0.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.00.0100.0100.0100.00.0100.0100.0

us-gaap:InterestExpenseDebtExcludingAmortization

us-gaap:InterestExpenseDebtExcludingAmortization


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-09-302019-06-30
Value1156500.01143800.01182700.0421000.0379170.0379170.0383330.0379170.0
Percentage of InterestExpenseDebtExcludingAmortization100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentIncomeNet

us-gaap:InvestmentIncomeNet


Investment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-1436500.0-1415900.0-1474000.0-551000.0-548160.07311.0-378810.0-327820.0-314000.0-218900.0-248700.0-270930.0-292320.0-315350.0-340380.0-343230.0-333580.0-323010.0-177660.013219.015090.016924.0-116400.0-279800.0-211060.0-128780.0
Percentage of InvestmentIncomeNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseRightOfUseAssetAmortizationExpense

us-gaap:OperatingLeaseRightOfUseAssetAmortizationExpense


Operating
Period End2021-06-302021-03-31
Value267670.0262760.0
Percentage of OperatingLeaseRightOfUseAssetAmortizationExpense100.0100.0

us-gaap:PaymentsOfDebtIssuanceCosts

us-gaap:PaymentsOfDebtIssuanceCosts


Payments
Period End2020-12-31
Value0
Percentage of PaymentsOfDebtIssuanceCosts0.0

us-gaap:ProceedsFromIssuanceOfCommonStock

us-gaap:ProceedsFromIssuanceOfCommonStock


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value1.0965036.1158642.0505070.01930.019248.9217321.5906682.2290010.139928.8962490.01414
Percentage of ProceedsFromIssuanceOfCommonStock100.0100.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0

us-gaap:ProceedsFromIssuanceOfDebt us-gaap:DebtInstrument

us-gaap:ProceedsFromIssuanceOfDebt

axsm:TermLoan2020TrancheOne


Proceeds
Period End2020-09-30
Value50
Percentage of ProceedsFromIssuanceOfDebt100.0

us-gaap:ProceedsFromStockOptionsExercised

us-gaap:ProceedsFromStockOptionsExercised


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312017-12-31
Value958900.01913300.039458.0190230.0190410.0629760.044505.0483840.0205340.0410160.07500.0
Percentage of ProceedsFromStockOptionsExercised100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue

us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-06-302021-03-312020-12-31
Value-3.0974.5741.74
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-06-302021-03-312020-12-31
Value0.5549.372.75
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue

us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-06-302021-03-31
Value2.445.14
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue


Share
Period End2021-06-302021-03-31
Value-0.5249.26
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue100.0100.0

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice


Share
Period End2021-06-302021-03-312020-12-31
Value-4.5322.20.04
Percentage of ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice


Share
Period End2021-06-302021-03-31
Value087.76
Percentage of ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice0.0100.0

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice


Share
Period End2021-06-302021-03-312020-12-31
Value-17.1480.72-5.72
Percentage of ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice


Share
Period End2021-06-302021-03-312020-12-31
Value-0.6766.720.23
Percentage of ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value958900.01913300.0190230.0190410.0629760.0483840.0205340.0410160.0
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value958890.01913300.0190220.0190410.0629750.0483820.0205330.0410160.0
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value7.010.04.02.06.013.06.05.0
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised0.00.00.00.00.00.00.00.0

axsm:AccruedGeneralAndAdministrativeCurrent

axsm:AccruedGeneralAndAdministrativeCurrent


Accrued
Period End2021-06-302021-03-312020-12-312019-12-31
Value4551900.03121700.01155500.0554010.0
Percentage of AccruedGeneralAndAdministrativeCurrent100.0100.0100.0100.0

axsm:AccruedResearchAndDevelopmentCurrent

axsm:AccruedResearchAndDevelopmentCurrent


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value2195000.01183400.04293500.05473000.04432200.07758000.08209600.06625600.03721900.03012200.02266300.02294300.01942400.01697600.01642200.01734000.01703800.01976400.01693700.02293900.01595500.01651400.0284060.0
Percentage of AccruedResearchAndDevelopmentCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

axsm:BeneficialOwnershipPercentage us-gaap:Range, us-gaap:RelatedPartyTransactionsByRelatedParty

axsm:BeneficialOwnershipPercentage

srt:Minimum, srt:ChiefExecutiveOfficer


Beneficial
Period End2020-12-31
Value5.0
Percentage of BeneficialOwnershipPercentage100.0

axsm:DebtInstrumentAccretedLiabilityOfFinalPaymentFee

axsm:DebtInstrumentAccretedLiabilityOfFinalPaymentFee


Debt
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value444780.0295490.0151910.07690.0404360.0
Percentage of DebtInstrumentAccretedLiabilityOfFinalPaymentFee100.0100.0100.0100.0100.0

axsm:DebtInstrumentCashPayInterestMultiplier us-gaap:DebtInstrument

axsm:DebtInstrumentCashPayInterestMultiplier

axsm:TermLoan2020


Debt
Period End2020-09-30
Value1.15
Percentage of DebtInstrumentCashPayInterestMultiplier100.0

axsm:DeferredTaxAssetsInterestExpense

axsm:DeferredTaxAssetsInterestExpense


Deferred
Period End2020-12-312019-12-312018-12-31
Value1765500.0985430.0400950.0
Percentage of DeferredTaxAssetsInterestExpense100.0100.0100.0

axsm:DeferredTaxAssetsLeasingArrangements

axsm:DeferredTaxAssetsLeasingArrangements


Deferred
Period End2020-12-31
Value612970.0
Percentage of DeferredTaxAssetsLeasingArrangements100.0

axsm:LongTermDebtAdditionalDrawnCovenantMinimumCashAsSecurityInterest us-gaap:StatementScenario, us-gaap:DebtInstrument

axsm:LongTermDebtAdditionalDrawnCovenantMinimumCashAsSecurityInterest

axsm:OutstandingAdvancesUnderLoanAgreementEqualsOrExceedsFiftyFiveMillion, axsm:TermLoan2020


Long
Period End2020-09-30
Value15
Percentage of LongTermDebtAdditionalDrawnCovenantMinimumCashAsSecurityInterest100.0

us-gaap:AccountsPayableAndOtherAccruedLiabilitiesCurrent

us-gaap:AccountsPayableAndOtherAccruedLiabilitiesCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-312015-12-31
Value105.8645268.7132499.0264127.091479.339721108.4131074.7779583.7398463.8432992.6795342.8203770.739532
Percentage of AccountsPayableAndOtherAccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashEquivalentsAtCarryingValue

us-gaap:CashEquivalentsAtCarryingValue


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-31
Value1411641832021901970.04353420.00.00.00.00.00.00.00.0
Percentage of CashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.00.00.00.00.00.00.00.0

us-gaap:ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1

us-gaap:ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1


Class
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-312014-12-31
Value80.4380.4380.4380.437.037.217.217.317.996.916.355.275.215.215.214.023.683.283.062.021.3
Percentage of ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentCarryingAmount

us-gaap:DebtInstrumentCarryingAmount


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value505050502020202020206.3888897.2222228.0555559.722222
Percentage of DebtInstrumentCarryingAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentUnamortizedDiscountNoncurrent

us-gaap:DebtInstrumentUnamortizedDiscountNoncurrent


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value1562200.01697600.01830100.01981600.0231400.0312570.0405070.0509230.0516780.0664310.0563860.0551490.0468290.0274120.0
Percentage of DebtInstrumentUnamortizedDiscountNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredIncomeTaxLiabilities


Deferred
Period End2020-12-312019-12-31
Value591610.0121880.0
Percentage of DeferredIncomeTaxLiabilities100.0100.0

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsGross


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value108684128227.756147
Percentage of DeferredTaxAssetsGross100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsDomestic

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsDomestic


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value52321812125.281388
Percentage of DeferredTaxAssetsOperatingLossCarryforwardsDomestic100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsForeign

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsForeign


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value86829.059557.040927.049846.023293.0
Percentage of DeferredTaxAssetsOperatingLossCarryforwardsForeign100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value3220117.9818124.0680861.760274
Percentage of DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsPropertyPlantAndEquipment

us-gaap:DeferredTaxAssetsPropertyPlantAndEquipment


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value7883.011401.08595.02597.0
Percentage of DeferredTaxAssetsPropertyPlantAndEquipment100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxCreditCarryforwardsResearch

us-gaap:DeferredTaxAssetsTaxCreditCarryforwardsResearch


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value13107.6517815.7137093.4912510.004549
Percentage of DeferredTaxAssetsTaxCreditCarryforwardsResearch100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value7329200.03485500.01625600.01719300.01450600.0560020.0
Percentage of DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value968710.01200800.0732960.0472000.0308010.0149920.0
Percentage of DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesLeasingArrangements

us-gaap:DeferredTaxLiabilitiesLeasingArrangements


Deferred
Period End2020-12-31
Value591610.0
Percentage of DeferredTaxLiabilitiesLeasingArrangements100.0

us-gaap:EmployeeRelatedLiabilitiesCurrent

us-gaap:EmployeeRelatedLiabilitiesCurrent


Employee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value3034700.01165500.02870300.02522600.01446900.0455180.02056400.0995180.0525020.0291050.01051400.0617960.0420580.0220750.0704560.0537040.0288350.0159170.0539290.0379000.0305000.0128780.0330710.0
Percentage of EmployeeRelatedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions us-gaap:AwardType

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions

us-gaap:RestrictedStockUnitsRSU


Employee
Period End2021-06-302021-03-312020-12-31
Value11124.1
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions


Employee
Period End2021-06-302021-03-312020-12-31
Value575420
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions us-gaap:Range

srt:WeightedAverage


Employee
Period End2020-09-30
Value26
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions0.0

us-gaap:InterestPayableCurrent

us-gaap:InterestPayableCurrent


Interest
Period End2021-06-302021-03-312020-12-312019-12-31
Value381250.0393960.0393960.0129170.0
Percentage of InterestPayableCurrent100.0100.0100.0100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths


Lessee
Period End2021-06-302021-03-312020-12-31
Value630000.0630000.01250000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths100.0100.0100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear

us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear


Lessee
Period End2021-06-302021-03-31
Value575000.0950000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear100.0100.0

us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity us-gaap:DebtInstrument

us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity

axsm:TermLoan2020TrancheFive


Line
Period End2020-09-30
Value50
Percentage of LineOfCreditFacilityMaximumBorrowingCapacity100.0

axsm:TermLoan2020TrancheFour


Line
Period End2020-09-30
Value60
Percentage of LineOfCreditFacilityMaximumBorrowingCapacity120.0

axsm:TermLoan2020TrancheOne


Line
Period End2020-09-30
Value60
Percentage of LineOfCreditFacilityMaximumBorrowingCapacity120.0

axsm:TermLoan2020TrancheThree


Line
Period End2020-09-30
Value20
Percentage of LineOfCreditFacilityMaximumBorrowingCapacity40.0

axsm:TermLoan2020TrancheTwo


Line
Period End2020-09-30
Value35
Percentage of LineOfCreditFacilityMaximumBorrowingCapacity70.0

us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity us-gaap:StatementScenario, us-gaap:DebtInstrument

axsm:DebtInstrumentPrepaymentOccurringPriorToFirstAnniversaryOfClosingDate, axsm:TermLoan2020


Line
Period End2020-09-30
Value225
Percentage of LineOfCreditFacilityMaximumBorrowingCapacity450.0

us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity us-gaap:DebtInstrument

us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity

axsm:TermLoan2020TrancheOne


Line
Period End2020-09-30
Value10000000.0
Percentage of LineOfCreditFacilityRemainingBorrowingCapacity100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive


Long
Period End2020-12-312020-09-30
Value1817
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive100.0100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour


Long
Period End2021-06-302021-03-312020-12-312020-09-30
Value18181919
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour100.0100.0100.0100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree


Long
Period End2021-06-302021-03-312020-12-312020-09-30
Value19191212
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree100.0100.0100.0100.0

us-gaap:OperatingLossCarryforwards

us-gaap:OperatingLossCarryforwards


Operating
Period End2020-12-312019-12-312018-12-31
Value24915487
Percentage of OperatingLossCarryforwards100.0100.0100.0

us-gaap:OperatingLossCarryforwards us-gaap:TaxPeriod

us-gaap:TaxYear2018


Operating
Period End2020-12-312019-12-312018-12-31
Value1899427
Percentage of OperatingLossCarryforwards75.961.031.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value43.7841.0635.7634.6432.7945.14
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice


Share
Period End2021-06-302021-03-312020-12-312020-09-30
Value13.1911.0310.669.99
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue


Share
Period End2021-06-302021-03-312020-12-312020-09-30
Value186248243213
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue


Share
Period End2021-06-302021-03-312020-12-312020-09-30
Value145178175142
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue


Share
Period End2021-06-302021-03-312020-12-312020-09-30
Value185247243213
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice


Share
Period End2021-06-302021-03-312020-12-312020-09-30
Value26.3824.9416.3616.98
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice100.0100.0100.0100.0

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1


Sharebased
Period End2020-12-312019-12-312018-12-31
Value9400000.04500000.0500000.0
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1100.0100.0100.0

us-gaap:WarrantsAndRightsOutstandingMeasurementInput us-gaap:ClassOfWarrantOrRight, us-gaap:MeasurementInputType

us-gaap:WarrantsAndRightsOutstandingMeasurementInput

axsm:Warrants2013, us-gaap:MeasurementInputPriceVolatility


Warrants
Period End2020-12-312019-12-312018-12-31
Value64.00.640.64
Percentage of WarrantsAndRightsOutstandingMeasurementInput100.0100.0100.0

axsm:Warrants2013, us-gaap:MeasurementInputRiskFreeInterestRate


Warrants
Period End2020-12-312019-12-312018-12-31
Value1.40.0140.014
Percentage of WarrantsAndRightsOutstandingMeasurementInput2.22.22.2

axsm:Warrants2014, us-gaap:MeasurementInputPriceVolatility


Warrants
Period End2020-12-312019-12-312018-12-31
Value70.00.70.7
Percentage of WarrantsAndRightsOutstandingMeasurementInput109.4109.4109.4

axsm:Warrants2014, us-gaap:MeasurementInputRiskFreeInterestRate


Warrants
Period End2020-12-312019-12-312018-12-31
Value1.60.0160.016
Percentage of WarrantsAndRightsOutstandingMeasurementInput2.52.52.5

axsm:Warrants2016, us-gaap:MeasurementInputPriceVolatility


Warrants
Period End2020-12-312019-12-312018-12-31
Value73.00.730.73
Percentage of WarrantsAndRightsOutstandingMeasurementInput114.1114.1114.1

axsm:Warrants2016, us-gaap:MeasurementInputRiskFreeInterestRate


Warrants
Period End2020-12-312019-12-312018-12-31
Value1.80.0180.018
Percentage of WarrantsAndRightsOutstandingMeasurementInput2.82.82.8

axsm:Warrants2017, us-gaap:MeasurementInputPriceVolatility


Warrants
Period End2020-12-312019-12-312018-12-31
Value61.00.610.61
Percentage of WarrantsAndRightsOutstandingMeasurementInput95.395.395.3

axsm:Warrants2017, us-gaap:MeasurementInputRiskFreeInterestRate


Warrants
Period End2020-12-312019-12-312018-12-31
Value1.70.0170.017
Percentage of WarrantsAndRightsOutstandingMeasurementInput2.72.72.7

axsm:Warrants2018, us-gaap:MeasurementInputPriceVolatility


Warrants
Period End2020-12-312019-12-312018-12-31
Value85.00.850.85
Percentage of WarrantsAndRightsOutstandingMeasurementInput132.8132.8132.8

axsm:Warrants2018, us-gaap:MeasurementInputRiskFreeInterestRate


Warrants
Period End2020-12-312019-12-312018-12-31
Value3.00.030.03
Percentage of WarrantsAndRightsOutstandingMeasurementInput4.74.74.7

axsm:Warrants2019, us-gaap:MeasurementInputPriceVolatility


Warrants
Period End2020-12-312019-12-31
Value97.00.97
Percentage of WarrantsAndRightsOutstandingMeasurementInput151.6151.6

axsm:Warrants2019, us-gaap:MeasurementInputRiskFreeInterestRate


Warrants
Period End2020-12-312019-12-31
Value2.80.028
Percentage of WarrantsAndRightsOutstandingMeasurementInput4.44.4

axsm:Warrants2020, us-gaap:MeasurementInputPriceVolatility


Warrants
Period End2020-12-31
Value88.0
Percentage of WarrantsAndRightsOutstandingMeasurementInput137.5

axsm:Warrants2020, us-gaap:MeasurementInputRiskFreeInterestRate


Warrants
Period End2020-12-31
Value0.5
Percentage of WarrantsAndRightsOutstandingMeasurementInput0.8

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:StockholdersEquity
us-gaap:StatementEquityComponents
(None,)
Stockholders Equityus-gaap: Statement Equity Components