3.24.0.1 html 261 377 1 false 92 0 false 5 false false R1.htm 100000 - Document - Document and Entity Information Sheet http://www.outsetmedical.com/20231231/taxonomy/role/Role_DocumentDocumentAndEntityInformation Document and Entity Information Cover 1 false false R2.htm 100010 - Statement - Balance Sheets Sheet http://www.outsetmedical.com/20231231/taxonomy/role/StatementBalanceSheets Balance Sheets Statements 2 false false R3.htm 100040 - Statement - Balance Sheets (Parenthetical) Sheet http://www.outsetmedical.com/20231231/taxonomy/role/StatementBalanceSheetsParenthetical Balance Sheets (Parenthetical) Statements 3 false false R4.htm 100050 - Statement - Statements of Operations Sheet http://www.outsetmedical.com/20231231/taxonomy/role/StatementStatementsOfOperations Statements of Operations Statements 4 false false R5.htm 100060 - Statement - Statements of Comprehensive Loss Sheet http://www.outsetmedical.com/20231231/taxonomy/role/StatementStatementsOfComprehensiveLoss Statements of Comprehensive Loss Statements 5 false false R6.htm 100070 - Statement - Statements of Stockholders Equity Sheet http://www.outsetmedical.com/20231231/taxonomy/role/StatementStatementsOfStockholdersEquity Statements of Stockholders Equity Statements 6 false false R7.htm 100080 - Statement - Statements of Cash Flows Sheet http://www.outsetmedical.com/20231231/taxonomy/role/StatementStatementsOfCashFlows Statements of Cash Flows Statements 7 false false R8.htm 995410 - Disclosure - Pay vs Performance Disclosure Sheet http://xbrl.sec.gov/ecd/role/PvpDisclosure Pay vs Performance Disclosure Notes 8 false false R9.htm 995445 - Disclosure - Insider Trading Arrangements Sheet http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements Insider Trading Arrangements Notes 9 false false R10.htm 995455 - Disclosure - Description of Business Sheet http://www.outsetmedical.com/20231231/taxonomy/role/Role_DisclosureDescriptionOfBusiness Description of Business Notes 10 false false R11.htm 995465 - Disclosure - Summary of Significant Accounting Policies Sheet http://www.outsetmedical.com/20231231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPolicies Summary of Significant Accounting Policies Notes 11 false false R12.htm 995475 - Disclosure - Revenue from Contracts with Customers Sheet http://www.outsetmedical.com/20231231/taxonomy/role/DisclosureRevenueFromContractsWithCustomers Revenue from Contracts with Customers Notes 12 false false R13.htm 995485 - Disclosure - Fair Value Measurements Sheet http://www.outsetmedical.com/20231231/taxonomy/role/Role_DisclosureFairValueMeasurements Fair Value Measurements Notes 13 false false R14.htm 995495 - Disclosure - Balance Sheet Components Sheet http://www.outsetmedical.com/20231231/taxonomy/role/Role_DisclosureBalanceSheetComponents Balance Sheet Components Notes 14 false false R15.htm 995505 - Disclosure - Commitments and Contingencies Sheet http://www.outsetmedical.com/20231231/taxonomy/role/Role_DisclosureCommitmentsAndContingencies Commitments and Contingencies Notes 15 false false R16.htm 995515 - Disclosure - Term Loans Sheet http://www.outsetmedical.com/20231231/taxonomy/role/DisclosureTermLoans1 Term Loans Notes 16 false false R17.htm 995535 - Disclosure - Stock-Based Compensation Sheet http://www.outsetmedical.com/20231231/taxonomy/role/DisclosureStockbasedCompensation1 Stock-Based Compensation Notes 17 false false R18.htm 995545 - Disclosure - Income Taxes Sheet http://www.outsetmedical.com/20231231/taxonomy/role/Role_DisclosureIncomeTaxes Income Taxes Notes 18 false false R19.htm 995555 - Disclosure - Net Loss per Share Sheet http://www.outsetmedical.com/20231231/taxonomy/role/DisclosureNetLossPerShare1 Net Loss per Share Notes 19 false false R20.htm 995575 - Disclosure - Restructuring Sheet http://www.outsetmedical.com/20231231/taxonomy/role/DisclosureRestructuring Restructuring Notes 20 false false R21.htm 995585 - Disclosure - Subsequent Event Sheet http://www.outsetmedical.com/20231231/taxonomy/role/Role_DisclosureSubsequentEvent Subsequent Event Notes 21 false false R22.htm 995595 - Disclosure - Summary of Significant Accounting Policies (Policies) Sheet http://www.outsetmedical.com/20231231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesPolicies Summary of Significant Accounting Policies (Policies) Policies http://www.outsetmedical.com/20231231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPolicies 22 false false R23.htm 995615 - Disclosure - Revenue from Contracts with Customers (Tables) Sheet http://www.outsetmedical.com/20231231/taxonomy/role/DisclosureRevenueFromContractsWithCustomersTables Revenue from Contracts with Customers (Tables) Tables http://www.outsetmedical.com/20231231/taxonomy/role/DisclosureRevenueFromContractsWithCustomers 23 false false R24.htm 995625 - Disclosure - Fair Value Measurements (Tables) Sheet http://www.outsetmedical.com/20231231/taxonomy/role/Role_DisclosureFairValueMeasurementsTables Fair Value Measurements (Tables) Tables http://www.outsetmedical.com/20231231/taxonomy/role/Role_DisclosureFairValueMeasurements 24 false false R25.htm 995635 - Disclosure - Balance Sheet Components (Tables) Sheet http://www.outsetmedical.com/20231231/taxonomy/role/Role_DisclosureBalanceSheetComponentsTables Balance Sheet Components (Tables) Tables http://www.outsetmedical.com/20231231/taxonomy/role/Role_DisclosureBalanceSheetComponents 25 false false R26.htm 995645 - Disclosure - Commitments and Contingencies (Tables) Sheet http://www.outsetmedical.com/20231231/taxonomy/role/DisclosureCommitmentsAndContingenciesTables Commitments and Contingencies (Tables) Tables http://www.outsetmedical.com/20231231/taxonomy/role/Role_DisclosureCommitmentsAndContingencies 26 false false R27.htm 995655 - Disclosure - Term Loans (Tables) Sheet http://www.outsetmedical.com/20231231/taxonomy/role/DisclosureTermLoansTables Term Loans (Tables) Tables http://www.outsetmedical.com/20231231/taxonomy/role/DisclosureTermLoans1 27 false false R28.htm 995675 - Disclosure - Stock-Based Compensation (Tables) Sheet http://www.outsetmedical.com/20231231/taxonomy/role/DisclosureStockbasedCompensationTables Stock-Based Compensation (Tables) Tables http://www.outsetmedical.com/20231231/taxonomy/role/DisclosureStockbasedCompensation1 28 false false R29.htm 995685 - Disclosure - Income Taxes (Tables) Sheet http://www.outsetmedical.com/20231231/taxonomy/role/DisclosureIncomeTaxesTables Income Taxes (Tables) Tables http://www.outsetmedical.com/20231231/taxonomy/role/Role_DisclosureIncomeTaxes 29 false false R30.htm 995695 - Disclosure - Net Loss per Share (Tables) Sheet http://www.outsetmedical.com/20231231/taxonomy/role/DisclosureNetLossPerShareTables Net Loss per Share (Tables) Tables http://www.outsetmedical.com/20231231/taxonomy/role/DisclosureNetLossPerShare1 30 false false R31.htm 995715 - Disclosure - Restructuring (Tables) Sheet http://www.outsetmedical.com/20231231/taxonomy/role/DisclosureRestructuringTables Restructuring (Tables) Tables http://www.outsetmedical.com/20231231/taxonomy/role/DisclosureRestructuring 31 false false R32.htm 995725 - Disclosure - Description of Business - Additional Information (Detail) Sheet http://www.outsetmedical.com/20231231/taxonomy/role/Role_DisclosureDescriptionOfBusinessAdditionalInformationDetail Description of Business - Additional Information (Detail) Details 32 false false R33.htm 995735 - Disclosure - Summary of Significant Accounting Policies - Additional Information (Detail) Sheet http://www.outsetmedical.com/20231231/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail Summary of Significant Accounting Policies - Additional Information (Detail) Details 33 false false R34.htm 995745 - Disclosure - Revenue from Contracts with Customers - Summary of Revenue by Source (Detail) Sheet http://www.outsetmedical.com/20231231/taxonomy/role/DisclosureRevenueFromContractsWithCustomersSummaryOfRevenueBySourceDetail Revenue from Contracts with Customers - Summary of Revenue by Source (Detail) Details 34 false false R35.htm 995755 - Disclosure - Revenue from Contracts with Customers - Additional Information (Detail) Sheet http://www.outsetmedical.com/20231231/taxonomy/role/DisclosureRevenueFromContractsWithCustomersAdditionalInformationDetail Revenue from Contracts with Customers - Additional Information (Detail) Details 35 false false R36.htm 995765 - Disclosure - Revenue from Contracts with Customers - Additional Information (Detail) 1 Sheet http://www.outsetmedical.com/20231231/taxonomy/role/DisclosureRevenueFromContractsWithCustomersAdditionalInformationDetail1 Revenue from Contracts with Customers - Additional Information (Detail) 1 Details 36 false false R37.htm 995775 - Disclosure - Fair Value Measurements - Summary of Financial Assets Measured at Fair Value On Recurring Basis by Level Within Fair Value Hierarchy (Detail) Sheet http://www.outsetmedical.com/20231231/taxonomy/role/Role_DisclosureFairValueMeasurementsSummaryOfFinancialAssetsMeasuredAtFairValueOnRecurringBasisByLevelWithinFairValueHierarchyDetail Fair Value Measurements - Summary of Financial Assets Measured at Fair Value On Recurring Basis by Level Within Fair Value Hierarchy (Detail) Details 37 false false R38.htm 995785 - Disclosure - Summary of breakdown of the available-for-sale debt securities with unrealized losses - Fair Value Measurements (Details) Sheet http://www.outsetmedical.com/20231231/taxonomy/role/DisclosureSummaryOfBreakdownOfTheAvailableforsaleDebtSecuritiesWithUnrealizedLossesFairValueMeasurementsDetails Summary of breakdown of the available-for-sale debt securities with unrealized losses - Fair Value Measurements (Details) Details 38 false false R39.htm 995795 - Disclosure - Fair Value Measurements - Additional Information (Detail) Sheet http://www.outsetmedical.com/20231231/taxonomy/role/Role_DisclosureFairValueMeasurementsAdditionalInformationDetail Fair Value Measurements - Additional Information (Detail) Details 39 false false R40.htm 995805 - Disclosure - Fair Value Measurements - Summary of Remaining Contractual Maturities (Details) Sheet http://www.outsetmedical.com/20231231/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfRemainingContractualMaturitiesDetails Fair Value Measurements - Summary of Remaining Contractual Maturities (Details) Details 40 false false R41.htm 995815 - Disclosure - Balance Sheet Components - Summary of cash, cash equivalents and restricted cash (Detail) Sheet http://www.outsetmedical.com/20231231/taxonomy/role/DisclosureBalanceSheetComponentsSummaryOfCashCashEquivalentsAndRestrictedCashDetail Balance Sheet Components - Summary of cash, cash equivalents and restricted cash (Detail) Details 41 false false R42.htm 995825 - Disclosure - Balance Sheet Components - Schedule of Inventories (Detail) Sheet http://www.outsetmedical.com/20231231/taxonomy/role/Role_DisclosureBalanceSheetComponentsScheduleOfInventoriesDetail Balance Sheet Components - Schedule of Inventories (Detail) Details 42 false false R43.htm 995835 - Disclosure - Balance Sheet Components - Summary of Property Plant and Equipment (Detail) Sheet http://www.outsetmedical.com/20231231/taxonomy/role/DisclosureBalanceSheetComponentsSummaryOfPropertyPlantAndEquipmentDetail Balance Sheet Components - Summary of Property Plant and Equipment (Detail) Details 43 false false R44.htm 995845 - Disclosure - Balance Sheet Components - Accrued Expenses and Other Current Liabilities (Detail) Sheet http://www.outsetmedical.com/20231231/taxonomy/role/Role_DisclosureBalanceSheetComponentsAccruedExpensesAndOtherCurrentLiabilitiesDetail Balance Sheet Components - Accrued Expenses and Other Current Liabilities (Detail) Details 44 false false R45.htm 995855 - Disclosure - Balance Sheet Components - Accrued Warranty Liability (Detail) Sheet http://www.outsetmedical.com/20231231/taxonomy/role/Role_DisclosureBalanceSheetComponentsAccruedWarrantyLiabilityDetail Balance Sheet Components - Accrued Warranty Liability (Detail) Details 45 false false R46.htm 995865 - Disclosure - Balance Sheet Components - Additional Information (Detail) Sheet http://www.outsetmedical.com/20231231/taxonomy/role/DisclosureBalanceSheetComponentsAdditionalInformationDetail Balance Sheet Components - Additional Information (Detail) Details 46 false false R47.htm 995875 - Disclosure - Commitment and Contingencies (Additional Information) (Detail) Sheet http://www.outsetmedical.com/20231231/taxonomy/role/DisclosureCommitmentAndContingenciesAdditionalInformationDetail Commitment and Contingencies (Additional Information) (Detail) Details 47 false false R48.htm 995885 - Disclosure - Commitments and Contingencies - Schedule of Components of Lease Costs (Detail) Sheet http://www.outsetmedical.com/20231231/taxonomy/role/DisclosureCommitmentsAndContingenciesScheduleOfComponentsOfLeaseCostsDetail Commitments and Contingencies - Schedule of Components of Lease Costs (Detail) Details 48 false false R49.htm 995895 - Disclosure - Commitments and Contingencies - Schedule of Weighted-average Remaining Lease Term and Discount Rate (Detail) Sheet http://www.outsetmedical.com/20231231/taxonomy/role/DisclosureCommitmentsAndContingenciesScheduleOfWeightedaverageRemainingLeaseTermAndDiscountRateDetail Commitments and Contingencies - Schedule of Weighted-average Remaining Lease Term and Discount Rate (Detail) Details 49 false false R50.htm 995905 - Disclosure - Commitments and Contingencies - Maturity of Operating Lease Liabilities (Detail) Sheet http://www.outsetmedical.com/20231231/taxonomy/role/DisclosureCommitmentsAndContingenciesMaturityOfOperatingLeaseLiabilitiesDetail Commitments and Contingencies - Maturity of Operating Lease Liabilities (Detail) Details 50 false false R51.htm 995915 - Disclosure - Term Loans - Schedule of Term Loan (Detail) Sheet http://www.outsetmedical.com/20231231/taxonomy/role/DisclosureTermLoansScheduleOfTermLoanDetail Term Loans - Schedule of Term Loan (Detail) Details 51 false false R52.htm 995925 - Disclosure - Term Loans - Additional Information (Detail) Sheet http://www.outsetmedical.com/20231231/taxonomy/role/DisclosureTermLoansAdditionalInformationDetail Term Loans - Additional Information (Detail) Details 52 false false R53.htm 995935 - Disclosure - Term Loans - Summary of Debt Maturities (Detail) Sheet http://www.outsetmedical.com/20231231/taxonomy/role/DisclosureTermLoansSummaryOfDebtMaturitiesDetail Term Loans - Summary of Debt Maturities (Detail) Details 53 false false R54.htm 995945 - Disclosure - Redeemable Convertible Preferred Stock and Stockholders' Equity (Deficit) (Additional Information) (Details) Sheet http://www.outsetmedical.com/20231231/taxonomy/role/DisclosureRedeemableConvertiblePreferredStockAndStockholdersEquityDeficitAdditionalInformationDetails Redeemable Convertible Preferred Stock and Stockholders' Equity (Deficit) (Additional Information) (Details) Details 54 false false R55.htm 995955 - Disclosure - Stockholders' Equity - Summary of Reserved Shares of Common Stock on Converted Basis for Issuance (Details) Sheet http://www.outsetmedical.com/20231231/taxonomy/role/DisclosureStockholdersEquitySummaryOfReservedSharesOfCommonStockOnConvertedBasisForIssuanceDetails Stockholders' Equity - Summary of Reserved Shares of Common Stock on Converted Basis for Issuance (Details) Details 55 false false R56.htm 995965 - Disclosure - Stock-Based Compensation - Additional Information (Detail) Sheet http://www.outsetmedical.com/20231231/taxonomy/role/DisclosureStockbasedCompensationAdditionalInformationDetail Stock-Based Compensation - Additional Information (Detail) Details 56 false false R57.htm 995975 - Disclosure - Stock-Based Compensation - Summary of Stock Option Activity (Details) Sheet http://www.outsetmedical.com/20231231/taxonomy/role/DisclosureStockbasedCompensationSummaryOfStockOptionActivityDetails Stock-Based Compensation - Summary of Stock Option Activity (Details) Details 57 false false R58.htm 995985 - Disclosure - Stock-Based Compensation - Schedule of Stock Option Valuation Assumptions (Details) Sheet http://www.outsetmedical.com/20231231/taxonomy/role/DisclosureStockbasedCompensationScheduleOfStockOptionValuationAssumptionsDetails Stock-Based Compensation - Schedule of Stock Option Valuation Assumptions (Details) Details 58 false false R59.htm 995995 - Disclosure - Stock-Based Compensation - Summary of Restricted Stock Activity (Details) Sheet http://www.outsetmedical.com/20231231/taxonomy/role/DisclosureStockbasedCompensationSummaryOfRestrictedStockActivityDetails Stock-Based Compensation - Summary of Restricted Stock Activity (Details) Details 59 false false R60.htm 996005 - Disclosure - Stock-Based Compensation - Schedule of Employees Stock Purchase Plan (ESPP) (Details) Sheet http://www.outsetmedical.com/20231231/taxonomy/role/DisclosureStockbasedCompensationScheduleOfEmployeesStockPurchasePlanEsppDetails Stock-Based Compensation - Schedule of Employees Stock Purchase Plan (ESPP) (Details) Details 60 false false R61.htm 996015 - Disclosure - Stock-Based Compensation - Summary of Stock-based Compensation Expense (Detail) Sheet http://www.outsetmedical.com/20231231/taxonomy/role/DisclosureStockbasedCompensationSummaryOfStockbasedCompensationExpenseDetail Stock-Based Compensation - Summary of Stock-based Compensation Expense (Detail) Details 61 false false R62.htm 996025 - Disclosure - Income Taxes - Loss before Provision for Income Taxes (Details) Sheet http://www.outsetmedical.com/20231231/taxonomy/role/DisclosureIncomeTaxesLossBeforeProvisionForIncomeTaxesDetails Income Taxes - Loss before Provision for Income Taxes (Details) Details 62 false false R63.htm 996035 - Disclosure - Income Taxes (Additional Information) (Detail) Sheet http://www.outsetmedical.com/20231231/taxonomy/role/DisclosureIncomeTaxesAdditionalInformationDetail Income Taxes (Additional Information) (Detail) Details http://www.outsetmedical.com/20231231/taxonomy/role/DisclosureIncomeTaxesTables 63 false false R64.htm 996045 - Disclosure - Income Taxes - Summary of Effective Tax Rate of the Provision for Income Taxes (Detail) Sheet http://www.outsetmedical.com/20231231/taxonomy/role/DisclosureIncomeTaxesSummaryOfEffectiveTaxRateOfTheProvisionForIncomeTaxesDetail Income Taxes - Summary of Effective Tax Rate of the Provision for Income Taxes (Detail) Details 64 false false R65.htm 996055 - Disclosure - Income Taxes - Summary of Components of the Deferred Tax Assets (Detail) Sheet http://www.outsetmedical.com/20231231/taxonomy/role/DisclosureIncomeTaxesSummaryOfComponentsOfTheDeferredTaxAssetsDetail Income Taxes - Summary of Components of the Deferred Tax Assets (Detail) Details 65 false false R66.htm 996065 - Disclosure - Income Taxes - Summary of Reconciliation of the Total Unrecognized Tax Benefits (Detail) Sheet http://www.outsetmedical.com/20231231/taxonomy/role/DisclosureIncomeTaxesSummaryOfReconciliationOfTheTotalUnrecognizedTaxBenefitsDetail Income Taxes - Summary of Reconciliation of the Total Unrecognized Tax Benefits (Detail) Details 66 false false R67.htm 996085 - Disclosure - Net Loss Per Share - Schedule of Outstanding Potentially Dilutive Shares were Excluded from Calculation of Diluted Net Loss Per Share (Detail) Sheet http://www.outsetmedical.com/20231231/taxonomy/role/DisclosureNetLossPerShareScheduleOfOutstandingPotentiallyDilutiveSharesWereExcludedFromCalculationOfDilutedNetLossPerShareDetail Net Loss Per Share - Schedule of Outstanding Potentially Dilutive Shares were Excluded from Calculation of Diluted Net Loss Per Share (Detail) Details 67 false false R68.htm 996095 - Disclosure - Restructuring (Additional Information) (Details) Sheet http://www.outsetmedical.com/20231231/taxonomy/role/DisclosureRestructuringAdditionalInformationDetails Restructuring (Additional Information) (Details) Details http://www.outsetmedical.com/20231231/taxonomy/role/DisclosureRestructuringTables 68 false false R69.htm 996105 - Disclosure - Restructuring - Schedule of Restructuring Cost (Details) Sheet http://www.outsetmedical.com/20231231/taxonomy/role/DisclosureRestructuringScheduleOfRestructuringCostDetails Restructuring - Schedule of Restructuring Cost (Details) Details 69 false false R70.htm 996115 - Disclosure - Subsequent Event (Additional Information) (Details) Sheet http://www.outsetmedical.com/20231231/taxonomy/role/DisclosureSubsequentEventAdditionalInformationDetails Subsequent Event (Additional Information) (Details) Details http://www.outsetmedical.com/20231231/taxonomy/role/Role_DisclosureSubsequentEvent 70 false false All Reports Book All Reports om-20231231.htm om-20231231.xsd img265557197_0.jpg img265557197_1.jpg http://fasb.org/us-gaap/2023 http://xbrl.sec.gov/dei/2023 http://xbrl.sec.gov/ecd/2023 false false