3.22.0.1 html 168 464 1 false 60 0 false 6 false false R1.htm 100000 - Document - Document and Entity Information Sheet http://www.otonomy.com/20211231/taxonomy/role/Role_DocumentDocumentAndEntityInformation Document and Entity Information Cover 1 false false R2.htm 100010 - Statement - Balance Sheets Sheet http://www.otonomy.com/20211231/taxonomy/role/Role_StatementBalanceSheets Balance Sheets Statements 2 false false R3.htm 100030 - Statement - Balance Sheets (Parenthetical) Sheet http://www.otonomy.com/20211231/taxonomy/role/Role_StatementBalanceSheetsParenthetical Balance Sheets (Parenthetical) Statements 3 false false R4.htm 100040 - Statement - Statements of Operations Sheet http://www.otonomy.com/20211231/taxonomy/role/Role_StatementStatementsOfOperations Statements of Operations Statements 4 false false R5.htm 100050 - Statement - Statements of Comprehensive Loss Sheet http://www.otonomy.com/20211231/taxonomy/role/Role_StatementStatementsOfComprehensiveLoss Statements of Comprehensive Loss Statements 5 false false R6.htm 100060 - Statement - Statements of Stockholders' Equity Sheet http://www.otonomy.com/20211231/taxonomy/role/Role_StatementStatementsOfStockholdersEquity Statements of Stockholders' Equity Statements 6 false false R7.htm 100070 - Statement - Statements of Cash Flows Sheet http://www.otonomy.com/20211231/taxonomy/role/Role_StatementStatementsOfCashFlows Statements of Cash Flows Statements 7 false false R8.htm 100080 - Disclosure - Description of Business and Basis of Presentation Sheet http://www.otonomy.com/20211231/taxonomy/role/Role_DisclosureDescriptionOfBusinessAndBasisOfPresentation Description of Business and Basis of Presentation Notes 8 false false R9.htm 100090 - Disclosure - Summary of Significant Accounting Policies Sheet http://www.otonomy.com/20211231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPolicies Summary of Significant Accounting Policies Notes 9 false false R10.htm 100100 - Disclosure - Available-for-Sale Securities Sheet http://www.otonomy.com/20211231/taxonomy/role/Role_DisclosureAvailableForSaleSecurities Available-for-Sale Securities Notes 10 false false R11.htm 100110 - Disclosure - Balance Sheet Details Sheet http://www.otonomy.com/20211231/taxonomy/role/Role_DisclosureBalanceSheetDetails Balance Sheet Details Notes 11 false false R12.htm 100120 - Disclosure - Commitments and Contingencies Sheet http://www.otonomy.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingencies Commitments and Contingencies Notes 12 false false R13.htm 100130 - Disclosure - Debt Sheet http://www.otonomy.com/20211231/taxonomy/role/Role_DisclosureDebt Debt Notes 13 false false R14.htm 100140 - Disclosure - Leases Sheet http://www.otonomy.com/20211231/taxonomy/role/Role_DisclosureLeases Leases Notes 14 false false R15.htm 100150 - Disclosure - Fair Value Sheet http://www.otonomy.com/20211231/taxonomy/role/Role_DisclosureFairValue Fair Value Notes 15 false false R16.htm 100160 - Disclosure - Stockholders' Equity Sheet http://www.otonomy.com/20211231/taxonomy/role/Role_DisclosureStockholdersEquity Stockholders' Equity Notes 16 false false R17.htm 100170 - Disclosure - Stock-Based Compensation and Equity Plans Sheet http://www.otonomy.com/20211231/taxonomy/role/Role_DisclosureStockBasedCompensationAndEquityPlans Stock-Based Compensation and Equity Plans Notes 17 false false R18.htm 100180 - Disclosure - Collaboration Agreements Sheet http://www.otonomy.com/20211231/taxonomy/role/Role_DisclosureCollaborationAgreements Collaboration Agreements Notes 18 false false R19.htm 100190 - Disclosure - Disposition of a Business Sheet http://www.otonomy.com/20211231/taxonomy/role/DisclosureDispositionOfABusiness Disposition of a Business Notes 19 false false R20.htm 100200 - Disclosure - Income Taxes Sheet http://www.otonomy.com/20211231/taxonomy/role/Role_DisclosureIncomeTaxes Income Taxes Notes 20 false false R21.htm 100210 - Disclosure - Description of Business and Basis of Presentation (Policies) Sheet http://www.otonomy.com/20211231/taxonomy/role/Role_DisclosureDescriptionOfBusinessAndBasisOfPresentationPolicies Description of Business and Basis of Presentation (Policies) Policies http://www.otonomy.com/20211231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPolicies 21 false false R22.htm 100230 - Disclosure - Available-for-Sale Securities (Tables) Sheet http://www.otonomy.com/20211231/taxonomy/role/Role_DisclosureAvailableForSaleSecuritiesTables Available-for-Sale Securities (Tables) Tables http://www.otonomy.com/20211231/taxonomy/role/Role_DisclosureAvailableForSaleSecurities 22 false false R23.htm 100240 - Disclosure - Balance Sheet Details (Tables) Sheet http://www.otonomy.com/20211231/taxonomy/role/Role_DisclosureBalanceSheetDetailsTables Balance Sheet Details (Tables) Tables http://www.otonomy.com/20211231/taxonomy/role/Role_DisclosureBalanceSheetDetails 23 false false R24.htm 100250 - Disclosure - Commitments and Contingencies (Tables) Sheet http://www.otonomy.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesTables Commitments and Contingencies (Tables) Tables http://www.otonomy.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingencies 24 false false R25.htm 100260 - Disclosure - Debt (Tables) Sheet http://www.otonomy.com/20211231/taxonomy/role/Role_DisclosureDebtTables Debt (Tables) Tables http://www.otonomy.com/20211231/taxonomy/role/Role_DisclosureDebt 25 false false R26.htm 100270 - Disclosure - Leases (Tables) Sheet http://www.otonomy.com/20211231/taxonomy/role/Role_DisclosureLeasesTables Leases (Tables) Tables http://www.otonomy.com/20211231/taxonomy/role/Role_DisclosureLeases 26 false false R27.htm 100280 - Disclosure - Fair Value (Tables) Sheet http://www.otonomy.com/20211231/taxonomy/role/Role_DisclosureFairValueTables Fair Value (Tables) Tables http://www.otonomy.com/20211231/taxonomy/role/Role_DisclosureFairValue 27 false false R28.htm 100290 - Disclosure - Stockholders' Equity (Tables) Sheet http://www.otonomy.com/20211231/taxonomy/role/Role_DisclosureStockholdersEquityTables Stockholders' Equity (Tables) Tables http://www.otonomy.com/20211231/taxonomy/role/Role_DisclosureStockholdersEquity 28 false false R29.htm 100300 - Disclosure - Stock-Based Compensation and Equity Plans (Tables) Sheet http://www.otonomy.com/20211231/taxonomy/role/Role_DisclosureStockBasedCompensationAndEquityPlansTables Stock-Based Compensation and Equity Plans (Tables) Tables http://www.otonomy.com/20211231/taxonomy/role/Role_DisclosureStockBasedCompensationAndEquityPlans 29 false false R30.htm 100310 - Disclosure - Income Taxes (Tables) Sheet http://www.otonomy.com/20211231/taxonomy/role/Role_DisclosureIncomeTaxesTables Income Taxes (Tables) Tables http://www.otonomy.com/20211231/taxonomy/role/Role_DisclosureIncomeTaxes 30 false false R31.htm 100320 - Disclosure - Description of Business and Basis of Presentation - Additional Information (Detail) Sheet http://www.otonomy.com/20211231/taxonomy/role/Role_DisclosureDescriptionOfBusinessAndBasisOfPresentationAdditionalInformationDetail Description of Business and Basis of Presentation - Additional Information (Detail) Details 31 false false R32.htm 100330 - Disclosure - Summary of Significant Accounting Policies - Additional Information (Detail) Sheet http://www.otonomy.com/20211231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail Summary of Significant Accounting Policies - Additional Information (Detail) Details 32 false false R33.htm 100350 - Disclosure - Available-for-Sale Securities - Additional Information (Detail) Sheet http://www.otonomy.com/20211231/taxonomy/role/Role_DisclosureAvailableForSaleSecuritiesAdditionalInformationDetail Available-for-Sale Securities - Additional Information (Detail) Details 33 false false R34.htm 100360 - Disclosure - Available-for-Sale Securities - Schedule of Available-for-Sale Debt Securities (Detail) Sheet http://www.otonomy.com/20211231/taxonomy/role/Role_DisclosureAvailableForSaleSecuritiesScheduleOfAvailableForSaleDebtSecuritiesDetail Available-for-Sale Securities - Schedule of Available-for-Sale Debt Securities (Detail) Details 34 false false R35.htm 100370 - Disclosure - Balance Sheet Details - Property and Equipment, Net (Detail) Sheet http://www.otonomy.com/20211231/taxonomy/role/Role_DisclosureBalanceSheetDetailsPropertyAndEquipmentNetDetail Balance Sheet Details - Property and Equipment, Net (Detail) Details 35 false false R36.htm 100380 - Disclosure - Balance Sheet Details - Additional Information (Detail) Sheet http://www.otonomy.com/20211231/taxonomy/role/Role_DisclosureBalanceSheetDetailsAdditionalInformationDetail Balance Sheet Details - Additional Information (Detail) Details 36 false false R37.htm 100390 - Disclosure - Balance Sheet Details - Accrued Expenses (Detail) Sheet http://www.otonomy.com/20211231/taxonomy/role/Role_DisclosureBalanceSheetDetailsAccruedExpensesDetail Balance Sheet Details - Accrued Expenses (Detail) Details 37 false false R38.htm 100400 - Disclosure - Commitments and Contingencies - Additional Information (Detail) Sheet http://www.otonomy.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail Commitments and Contingencies - Additional Information (Detail) Details 38 false false R39.htm 100410 - Disclosure - Commitments and Contingencies - Schedule of Additional Milestone Payments under Intellectual Property License Agreements (Detail) Sheet http://www.otonomy.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesScheduleOfAdditionalMilestonePaymentsUnderIntellectualPropertyLicenseAgreementsDetail Commitments and Contingencies - Schedule of Additional Milestone Payments under Intellectual Property License Agreements (Detail) Details 39 false false R40.htm 100420 - Disclosure - Commitments and Contingencies - Summary of Costs Recognized under License Agreements and Other Non-Cancellable Royalty and Milestone Obligations (Detail) Sheet http://www.otonomy.com/20211231/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesSummaryOfCostsRecognizedUnderLicenseAgreementsAndOtherNonCancellableRoyaltyAndMilestoneObligationsDetail Commitments and Contingencies - Summary of Costs Recognized under License Agreements and Other Non-Cancellable Royalty and Milestone Obligations (Detail) Details 40 false false R41.htm 100430 - Disclosure - Debt - Additional Information (Detail) Sheet http://www.otonomy.com/20211231/taxonomy/role/Role_DisclosureDebtAdditionalInformationDetail Debt - Additional Information (Detail) Details 41 false false R42.htm 100440 - Disclosure - Debt - Summary of Estimated Aggregate Amounts and Timing of Payments on Long-term Debt Obligations (Detail) Sheet http://www.otonomy.com/20211231/taxonomy/role/Role_DisclosureDebtSummaryOfEstimatedAggregateAmountsAndTimingOfPaymentsOnLongTermDebtObligationsDetail Debt - Summary of Estimated Aggregate Amounts and Timing of Payments on Long-term Debt Obligations (Detail) Details 42 false false R43.htm 100450 - Disclosure - Leases - Additional Information (Detail) Sheet http://www.otonomy.com/20211231/taxonomy/role/Role_DisclosureLeasesAdditionalInformationDetail Leases - Additional Information (Detail) Details 43 false false R44.htm 100460 - Disclosure - Leases - Summary of Lease Expenses (Detail) Sheet http://www.otonomy.com/20211231/taxonomy/role/Role_DisclosureLeasesSummaryOfLeaseExpensesDetail Leases - Summary of Lease Expenses (Detail) Details 44 false false R45.htm 100470 - Disclosure - Leases - Future Minimum Annual Obligations under Finance and Operating Lease Commitments (Detail) Sheet http://www.otonomy.com/20211231/taxonomy/role/Role_DisclosureLeasesFutureMinimumAnnualObligationsUnderFinanceAndOperatingLeaseCommitmentsDetail Leases - Future Minimum Annual Obligations under Finance and Operating Lease Commitments (Detail) Details 45 false false R46.htm 100480 - Disclosure - Fair Value - Additional information (Detail) Sheet http://www.otonomy.com/20211231/taxonomy/role/Role_DisclosureFairValueAdditionalInformationDetail Fair Value - Additional information (Detail) Details 46 false false R47.htm 100490 - Disclosure - Fair Value - Fair Value Assets Measured on a Recurring Basis (Detail) Sheet http://www.otonomy.com/20211231/taxonomy/role/Role_DisclosureFairValueFairValueAssetsMeasuredOnRecurringBasisDetail Fair Value - Fair Value Assets Measured on a Recurring Basis (Detail) Details 47 false false R48.htm 100500 - Disclosure - Stockholders' Equity - Schedule of Shares of Common Stock Reserved for Future Issuance (Detail) Sheet http://www.otonomy.com/20211231/taxonomy/role/Role_DisclosureStockholdersEquityScheduleOfSharesOfCommonStockReservedForFutureIssuanceDetail Stockholders' Equity - Schedule of Shares of Common Stock Reserved for Future Issuance (Detail) Details 48 false false R49.htm 100510 - Disclosure - Stockholders' Equity - Additional Information (Detail) Sheet http://www.otonomy.com/20211231/taxonomy/role/Role_DisclosureStockholdersEquityAdditionalInformationDetail Stockholders' Equity - Additional Information (Detail) Details 49 false false R50.htm 100520 - Disclosure - Stock-Based Compensation and Equity Plans - Additional Information (Detail) Sheet http://www.otonomy.com/20211231/taxonomy/role/Role_DisclosureStockBasedCompensationAndEquityPlansAdditionalInformationDetail Stock-Based Compensation and Equity Plans - Additional Information (Detail) Details 50 false false R51.htm 100530 - Disclosure - Stock-Based Compensation and Equity Plans - Stock Option Activity (Detail) Sheet http://www.otonomy.com/20211231/taxonomy/role/Role_DisclosureStockBasedCompensationAndEquityPlansStockOptionActivityDetail Stock-Based Compensation and Equity Plans - Stock Option Activity (Detail) Details 51 false false R52.htm 100540 - Disclosure - Stock-Based Compensation and Equity Plans - Summary of Certain Information Regarding Stock Options (Detail) Sheet http://www.otonomy.com/20211231/taxonomy/role/Role_DisclosureStockBasedCompensationAndEquityPlansSummaryOfCertainInformationRegardingStockOptionsDetail Stock-Based Compensation and Equity Plans - Summary of Certain Information Regarding Stock Options (Detail) Details 52 false false R53.htm 100550 - Disclosure - Stock-Based Compensation and Equity Plans - Summary of restricted stock unit activity (Details) Sheet http://www.otonomy.com/20211231/taxonomy/role/DisclosureStockbasedCompensationAndEquityPlansSummaryOfRestrictedStockUnitActivityDetails Stock-Based Compensation and Equity Plans - Summary of restricted stock unit activity (Details) Details 53 false false R54.htm 100560 - Disclosure - Stock-Based Compensation and Equity Plans - Weighted-Average Underlying Assumptions Used to Determine Fair Value of Stock Options and ESPP Rights (Detail) Sheet http://www.otonomy.com/20211231/taxonomy/role/Role_DisclosureStockBasedCompensationAndEquityPlansWeightedAverageUnderlyingAssumptionsUsedToDetermineFairValueOfStockOptionsAndESPPRightsDetail Stock-Based Compensation and Equity Plans - Weighted-Average Underlying Assumptions Used to Determine Fair Value of Stock Options and ESPP Rights (Detail) Details 54 false false R55.htm 100570 - Disclosure - Stock-Based Compensation and Equity Plans - Summary of Non-cash Stock Based Compensation Expense (Detail) Sheet http://www.otonomy.com/20211231/taxonomy/role/Role_DisclosureStockBasedCompensationAndEquityPlansSummaryOfNonCashStockBasedCompensationExpenseDetail Stock-Based Compensation and Equity Plans - Summary of Non-cash Stock Based Compensation Expense (Detail) Details 55 false false R56.htm 100580 - Disclosure - Collaboration Agreements - Additional information (Detail) Sheet http://www.otonomy.com/20211231/taxonomy/role/Role_DisclosureCollaborationAgreementsAdditionalInformationDetail Collaboration Agreements - Additional information (Detail) Details 56 false false R57.htm 100590 - Disclosure - Disposition of a Business - Additional Information (Details) Sheet http://www.otonomy.com/20211231/taxonomy/role/DisclosureDispositionOfABusinessAdditionalInformationDetails Disposition of a Business - Additional Information (Details) Details 57 false false R58.htm 100600 - Disclosure - Income Taxes - Components of Deferred Tax Assets (Detail) Sheet http://www.otonomy.com/20211231/taxonomy/role/Role_DisclosureIncomeTaxesComponentsOfDeferredTaxAssetsDetail Income Taxes - Components of Deferred Tax Assets (Detail) Details 58 false false R59.htm 100610 - Disclosure - Income Taxes - Additional Information (Detail) Sheet http://www.otonomy.com/20211231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetail Income Taxes - Additional Information (Detail) Details 59 false false R60.htm 100620 - Disclosure - Income Taxes - Reconciliation of Expected Recovery of Income Taxes (Detail) Sheet http://www.otonomy.com/20211231/taxonomy/role/Role_DisclosureIncomeTaxesReconciliationOfExpectedRecoveryOfIncomeTaxesDetail Income Taxes - Reconciliation of Expected Recovery of Income Taxes (Detail) Details 60 false false R61.htm 100630 - Disclosure - Income Taxes - Activity Related to Gross Unrecognized Tax Benefits (Detail) Sheet http://www.otonomy.com/20211231/taxonomy/role/Role_DisclosureIncomeTaxesActivityRelatedToGrossUnrecognizedTaxBenefitsDetail Income Taxes - Activity Related to Gross Unrecognized Tax Benefits (Detail) Details 61 false false All Reports Book All Reports otic-20211231.htm otic-20211231.xsd otic-20211231_cal.xml otic-20211231_def.xml otic-20211231_lab.xml otic-20211231_pre.xml otic-ex10_1.htm otic-ex10_2.htm otic-ex23_1.htm otic-ex31_1.htm otic-ex31_2.htm otic-ex32_1.htm otic-ex32_2.htm http://fasb.org/us-gaap/2021-01-31 http://xbrl.sec.gov/dei/2021q4 true true