3.26.1 html 210 270 1 false 64 0 false 8 false false R1.htm 0000001 - Document - Cover Sheet http://serinatherapeutics.com/role/Cover Cover Cover 1 false false R2.htm 9952151 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS Sheet http://serinatherapeutics.com/role/CONDENSEDCONSOLIDATEDBALANCESHEETS CONDENSED CONSOLIDATED BALANCE SHEETS Statements 2 false false R3.htm 9952152 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) Sheet http://serinatherapeutics.com/role/CONDENSEDCONSOLIDATEDBALANCESHEETSParenthetical CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) Statements 3 false false R4.htm 9952153 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS Sheet http://serinatherapeutics.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONS CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS Statements 4 false false R5.htm 9952154 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS Sheet http://serinatherapeutics.com/role/CONSOLIDATEDSTATEMENTSOFCOMPREHENSIVELOSS CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS Statements 5 false false R6.htm 9952155 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS??? EQUITY (DEFICIT) (Parenthetical) Sheet http://serinatherapeutics.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITYDEFICITParenthetical CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS??? EQUITY (DEFICIT) (Parenthetical) Statements 6 false false R7.htm 9952156 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS Sheet http://serinatherapeutics.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWS CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS Statements 7 false false R8.htm 9952157 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS??? EQUITY (DEFICIT) Sheet http://serinatherapeutics.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITYDEFICIT CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS??? EQUITY (DEFICIT) Statements 8 false false R9.htm 9952158 - Disclosure - Organization, Business Overview and Liquidity Sheet http://serinatherapeutics.com/role/OrganizationBusinessOverviewandLiquidity Organization, Business Overview and Liquidity Notes 9 false false R10.htm 9952159 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies Sheet http://serinatherapeutics.com/role/BasisofPresentationandSummaryofSignificantAccountingPolicies Basis of Presentation and Summary of Significant Accounting Policies Notes 10 false false R11.htm 9952160 - Disclosure - Selected Balance Sheet Components Sheet http://serinatherapeutics.com/role/SelectedBalanceSheetComponents Selected Balance Sheet Components Notes 11 false false R12.htm 9952161 - Disclosure - Related Party Transactions Sheet http://serinatherapeutics.com/role/RelatedPartyTransactions Related Party Transactions Notes 12 false false R13.htm 9952162 - Disclosure - Fair Value Measurements Sheet http://serinatherapeutics.com/role/FairValueMeasurements Fair Value Measurements Notes 13 false false R14.htm 9952163 - Disclosure - Stockholders??? Equity Sheet http://serinatherapeutics.com/role/StockholdersEquity Stockholders??? Equity Notes 14 false false R15.htm 9952164 - Disclosure - Stock-Based Awards Sheet http://serinatherapeutics.com/role/StockBasedAwards Stock-Based Awards Notes 15 false false R16.htm 9952165 - Disclosure - Profit Sharing Plan Sheet http://serinatherapeutics.com/role/ProfitSharingPlan Profit Sharing Plan Notes 16 false false R17.htm 9952166 - Disclosure - Income Taxes Sheet http://serinatherapeutics.com/role/IncomeTaxes Income Taxes Notes 17 false false R18.htm 9952167 - Disclosure - Commitments and Contingencies Sheet http://serinatherapeutics.com/role/CommitmentsandContingencies Commitments and Contingencies Notes 18 false false R19.htm 9952168 - Disclosure - Net Loss Per Common Share Sheet http://serinatherapeutics.com/role/NetLossPerCommonShare Net Loss Per Common Share Notes 19 false false R20.htm 9952169 - Disclosure - Segment Reporting Sheet http://serinatherapeutics.com/role/SegmentReporting Segment Reporting Notes 20 false false R21.htm 9952170 - Disclosure - Subsequent Events Sheet http://serinatherapeutics.com/role/SubsequentEvents Subsequent Events Notes 21 false false R22.htm 995445 - Disclosure - Insider Trading Arrangements Sheet http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements Insider Trading Arrangements Notes 22 false false R23.htm 9955511 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies (Policies) Sheet http://serinatherapeutics.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesPolicies Basis of Presentation and Summary of Significant Accounting Policies (Policies) Policies http://serinatherapeutics.com/role/BasisofPresentationandSummaryofSignificantAccountingPolicies 23 false false R24.htm 9955512 - Disclosure - Selected Balance Sheet Components (Tables) Sheet http://serinatherapeutics.com/role/SelectedBalanceSheetComponentsTables Selected Balance Sheet Components (Tables) Tables http://serinatherapeutics.com/role/SelectedBalanceSheetComponents 24 false false R25.htm 9955513 - Disclosure - Fair Value Measurements (Tables) Sheet http://serinatherapeutics.com/role/FairValueMeasurementsTables Fair Value Measurements (Tables) Tables http://serinatherapeutics.com/role/FairValueMeasurements 25 false false R26.htm 9955514 - Disclosure - Stock-Based Awards (Tables) Sheet http://serinatherapeutics.com/role/StockBasedAwardsTables Stock-Based Awards (Tables) Tables http://serinatherapeutics.com/role/StockBasedAwards 26 false false R27.htm 9955515 - Disclosure - Commitments and Contingencies (Tables) Sheet http://serinatherapeutics.com/role/CommitmentsandContingenciesTables Commitments and Contingencies (Tables) Tables http://serinatherapeutics.com/role/CommitmentsandContingencies 27 false false R28.htm 9955516 - Disclosure - Net Loss Per Common Share (Tables) Sheet http://serinatherapeutics.com/role/NetLossPerCommonShareTables Net Loss Per Common Share (Tables) Tables http://serinatherapeutics.com/role/NetLossPerCommonShare 28 false false R29.htm 9955517 - Disclosure - Segment Reporting (Tables) Sheet http://serinatherapeutics.com/role/SegmentReportingTables Segment Reporting (Tables) Tables http://serinatherapeutics.com/role/SegmentReporting 29 false false R30.htm 9955518 - Disclosure - Organization, Business Overview and Liquidity (Details) Sheet http://serinatherapeutics.com/role/OrganizationBusinessOverviewandLiquidityDetails Organization, Business Overview and Liquidity (Details) Details http://serinatherapeutics.com/role/OrganizationBusinessOverviewandLiquidity 30 false false R31.htm 9955519 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies (Details) Sheet http://serinatherapeutics.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesDetails Basis of Presentation and Summary of Significant Accounting Policies (Details) Details http://serinatherapeutics.com/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesPolicies 31 false false R32.htm 9955520 - Disclosure - Selected Balance Sheet Components - Schedule of Prepaid Expenses and Other Current Assets (Details) Sheet http://serinatherapeutics.com/role/SelectedBalanceSheetComponentsScheduleofPrepaidExpensesandOtherCurrentAssetsDetails Selected Balance Sheet Components - Schedule of Prepaid Expenses and Other Current Assets (Details) Details 32 false false R33.htm 9955521 - Disclosure - Selected Balance Sheet Components - Schedule of Property and Equipment (Details) Sheet http://serinatherapeutics.com/role/SelectedBalanceSheetComponentsScheduleofPropertyandEquipmentDetails Selected Balance Sheet Components - Schedule of Property and Equipment (Details) Details 33 false false R34.htm 9955522 - Disclosure - Selected Balance Sheet Components - Narrative (Details) Sheet http://serinatherapeutics.com/role/SelectedBalanceSheetComponentsNarrativeDetails Selected Balance Sheet Components - Narrative (Details) Details 34 false false R35.htm 9955523 - Disclosure - Selected Balance Sheet Components - Schedule of Accrued Expenses (Details) Sheet http://serinatherapeutics.com/role/SelectedBalanceSheetComponentsScheduleofAccruedExpensesDetails Selected Balance Sheet Components - Schedule of Accrued Expenses (Details) Details 35 false false R36.htm 9955524 - Disclosure - Related Party Transactions (Details) Sheet http://serinatherapeutics.com/role/RelatedPartyTransactionsDetails Related Party Transactions (Details) Details http://serinatherapeutics.com/role/RelatedPartyTransactions 36 false false R37.htm 9955525 - Disclosure - Fair Value Measurements - Narrative (Details) Sheet http://serinatherapeutics.com/role/FairValueMeasurementsNarrativeDetails Fair Value Measurements - Narrative (Details) Details 37 false false R38.htm 9955526 - Disclosure - Fair Value Measurements - Schedule of Reconciliation of Warrant Liabilities (Details) Sheet http://serinatherapeutics.com/role/FairValueMeasurementsScheduleofReconciliationofWarrantLiabilitiesDetails Fair Value Measurements - Schedule of Reconciliation of Warrant Liabilities (Details) Details 38 false false R39.htm 9955527 - Disclosure - Fair Value Measurements - Schedule of Estimates the Fair Value of Warrants (Details) Sheet http://serinatherapeutics.com/role/FairValueMeasurementsScheduleofEstimatestheFairValueofWarrantsDetails Fair Value Measurements - Schedule of Estimates the Fair Value of Warrants (Details) Details 39 false false R40.htm 9955528 - Disclosure - Fair Value Measurements - Schedule of Tranche Liability Measured at Fair Value On a Recurring Basis (Details) Sheet http://serinatherapeutics.com/role/FairValueMeasurementsScheduleofTrancheLiabilityMeasuredatFairValueOnaRecurringBasisDetails Fair Value Measurements - Schedule of Tranche Liability Measured at Fair Value On a Recurring Basis (Details) Details 40 false false R41.htm 9955529 - Disclosure - Fair Value Measurements - Schedule Of Estimating The Fair Value of Tranche Liability (Details) Sheet http://serinatherapeutics.com/role/FairValueMeasurementsScheduleOfEstimatingTheFairValueofTrancheLiabilityDetails Fair Value Measurements - Schedule Of Estimating The Fair Value of Tranche Liability (Details) Details 41 false false R42.htm 9955530 - Disclosure - Stockholders??? Equity (Details) Sheet http://serinatherapeutics.com/role/StockholdersEquityDetails Stockholders??? Equity (Details) Details http://serinatherapeutics.com/role/StockholdersEquity 42 false false R43.htm 9955531 - Disclosure - Stock-Based Awards - Narrative (Details) Sheet http://serinatherapeutics.com/role/StockBasedAwardsNarrativeDetails Stock-Based Awards - Narrative (Details) Details 43 false false R44.htm 9955532 - Disclosure - Stock-Based Awards - Schedule of Stock Option Activity (Details) Sheet http://serinatherapeutics.com/role/StockBasedAwardsScheduleofStockOptionActivityDetails Stock-Based Awards - Schedule of Stock Option Activity (Details) Details 44 false false R45.htm 9955533 - Disclosure - Stock-Based Awards - Schedule of Stock Based Compensation Expense (Details) Sheet http://serinatherapeutics.com/role/StockBasedAwardsScheduleofStockBasedCompensationExpenseDetails Stock-Based Awards - Schedule of Stock Based Compensation Expense (Details) Details 45 false false R46.htm 9955534 - Disclosure - Profit Sharing Plan (Details) Sheet http://serinatherapeutics.com/role/ProfitSharingPlanDetails Profit Sharing Plan (Details) Details http://serinatherapeutics.com/role/ProfitSharingPlan 46 false false R47.htm 9955535 - Disclosure - Commitments and Contingencies - Narrative (Details) Sheet http://serinatherapeutics.com/role/CommitmentsandContingenciesNarrativeDetails Commitments and Contingencies - Narrative (Details) Details 47 false false R48.htm 9955536 - Disclosure - Commitments and Contingencies - Schedule of Cash Flow Information Related to Leases (Details) Sheet http://serinatherapeutics.com/role/CommitmentsandContingenciesScheduleofCashFlowInformationRelatedtoLeasesDetails Commitments and Contingencies - Schedule of Cash Flow Information Related to Leases (Details) Details 48 false false R49.htm 9955537 - Disclosure - Commitments and Contingencies - Schedule of Supplemental Balance Sheet Information Related to Leases (Details) Sheet http://serinatherapeutics.com/role/CommitmentsandContingenciesScheduleofSupplementalBalanceSheetInformationRelatedtoLeasesDetails Commitments and Contingencies - Schedule of Supplemental Balance Sheet Information Related to Leases (Details) Details 49 false false R50.htm 9955538 - Disclosure - Commitments and Contingencies - Schedule of Annual Undiscounted Cash Flows of the Lease Liabilities (Details) Sheet http://serinatherapeutics.com/role/CommitmentsandContingenciesScheduleofAnnualUndiscountedCashFlowsoftheLeaseLiabilitiesDetails Commitments and Contingencies - Schedule of Annual Undiscounted Cash Flows of the Lease Liabilities (Details) Details 50 false false R51.htm 9955539 - Disclosure - Net Loss Per Common Share - Schedule of Basic and Diluted Net Loss Per Common Share Attributable to Common Shareholders (Details) Sheet http://serinatherapeutics.com/role/NetLossPerCommonShareScheduleofBasicandDilutedNetLossPerCommonShareAttributabletoCommonShareholdersDetails Net Loss Per Common Share - Schedule of Basic and Diluted Net Loss Per Common Share Attributable to Common Shareholders (Details) Details 51 false false R52.htm 9955540 - Disclosure - Net Loss Per Common Share - Schedule of Potentially Dilutive Common Shares (Details) Sheet http://serinatherapeutics.com/role/NetLossPerCommonShareScheduleofPotentiallyDilutiveCommonSharesDetails Net Loss Per Common Share - Schedule of Potentially Dilutive Common Shares (Details) Details 52 false false R53.htm 9955541 - Disclosure - Segment Reporting (Details) Sheet http://serinatherapeutics.com/role/SegmentReportingDetails Segment Reporting (Details) Details http://serinatherapeutics.com/role/SegmentReportingTables 53 false false R54.htm 9955542 - Disclosure - Subsequent Events (Details) Sheet http://serinatherapeutics.com/role/SubsequentEventsDetails Subsequent Events (Details) Details http://serinatherapeutics.com/role/SubsequentEvents 54 false false All Reports Book All Reports ser-20260331.htm ser-20260331.xsd ser-20260331_cal.xml ser-20260331_def.xml ser-20260331_lab.xml ser-20260331_pre.xml http://fasb.org/us-gaap/2025 http://xbrl.sec.gov/dei/2025 http://xbrl.sec.gov/ecd/2025 true true