3.22.1 html 234 566 1 true 62 0 false 5 false false R1.htm 000 - Document - Document And Entity Information Sheet http://www.biotechacquisitionco.com/role/DocumentAndEntityInformation Document And Entity Information Cover 1 false false R2.htm 001 - Statement - Consolidated Balance Sheets Sheet http://www.biotechacquisitionco.com/role/ConsolidatedBalanceSheet Consolidated Balance Sheets Statements 2 false false R3.htm 002 - Statement - Consolidated Balance Sheets (Parentheticals) Sheet http://www.biotechacquisitionco.com/role/ConsolidatedBalanceSheet_Parentheticals Consolidated Balance Sheets (Parentheticals) Statements 3 false false R4.htm 003 - Statement - Consolidated Statements of Operations Sheet http://www.biotechacquisitionco.com/role/ConsolidatedIncomeStatement Consolidated Statements of Operations Statements 4 false false R5.htm 004 - Statement - Consolidated Statements of Changes in Shareholders??? (Deficit) Equity Sheet http://www.biotechacquisitionco.com/role/ShareholdersEquityType2or3 Consolidated Statements of Changes in Shareholders??? (Deficit) Equity Statements 5 false false R6.htm 005 - Statement - Consolidated Statements of Changes in Shareholders??? (Deficit) Equity (Parentheticals) Sheet http://www.biotechacquisitionco.com/role/ShareholdersEquityType2or3_Parentheticals Consolidated Statements of Changes in Shareholders??? (Deficit) Equity (Parentheticals) Statements 6 false false R7.htm 006 - Statement - Consolidated Statements of Cash Flows Sheet http://www.biotechacquisitionco.com/role/ConsolidatedCashFlow Consolidated Statements of Cash Flows Statements 7 false false R8.htm 007 - Disclosure - Description of Organization and Business Operations Sheet http://www.biotechacquisitionco.com/role/DescriptionofOrganizationandBusinessOperations Description of Organization and Business Operations Notes 8 false false R9.htm 008 - Disclosure - Summary of Significant Accounting Policies Sheet http://www.biotechacquisitionco.com/role/SummaryofSignificantAccountingPolicies Summary of Significant Accounting Policies Notes 9 false false R10.htm 009 - Disclosure - Initial Public Offering Sheet http://www.biotechacquisitionco.com/role/InitialPublicOffering Initial Public Offering Notes 10 false false R11.htm 010 - Disclosure - Private Placement Sheet http://www.biotechacquisitionco.com/role/PrivatePlacement Private Placement Notes 11 false false R12.htm 011 - Disclosure - Related Party Transactions Sheet http://www.biotechacquisitionco.com/role/RelatedPartyTransactions Related Party Transactions Notes 12 false false R13.htm 012 - Disclosure - Commitments and Contingencies Sheet http://www.biotechacquisitionco.com/role/CommitmentsandContingencies Commitments and Contingencies Notes 13 false false R14.htm 013 - Disclosure - Shareholders??? (DEFICIT) Equity Sheet http://www.biotechacquisitionco.com/role/ShareholdersDEFICITEquity Shareholders??? (DEFICIT) Equity Notes 14 false false R15.htm 014 - Disclosure - Warrants Sheet http://www.biotechacquisitionco.com/role/Warrants Warrants Notes 15 false false R16.htm 015 - Disclosure - Fair Value Measurements Sheet http://www.biotechacquisitionco.com/role/FairValueMeasurements Fair Value Measurements Notes 16 false false R17.htm 016 - Disclosure - Subsequent Events Sheet http://www.biotechacquisitionco.com/role/SubsequentEvents Subsequent Events Notes 17 false false R18.htm 017 - Disclosure - The Company Sheet http://www.biotechacquisitionco.com/role/TheCompany The Company Notes 18 false false R19.htm 018 - Disclosure - Balance Sheet Components Sheet http://www.biotechacquisitionco.com/role/BalanceSheetComponents Balance Sheet Components Notes 19 false false R20.htm 019 - Disclosure - Income Taxes Sheet http://www.biotechacquisitionco.com/role/IncomeTaxes Income Taxes Notes 20 false false R21.htm 020 - Disclosure - Term Loan Agreement Sheet http://www.biotechacquisitionco.com/role/TermLoanAgreement Term Loan Agreement Notes 21 false false R22.htm 021 - Disclosure - Convertible Notes Notes http://www.biotechacquisitionco.com/role/ConvertibleNotes Convertible Notes Notes 22 false false R23.htm 022 - Disclosure - Common Stock Warrants Sheet http://www.biotechacquisitionco.com/role/CommonStockWarrants Common Stock Warrants Notes 23 false false R24.htm 023 - Disclosure - Convertible Preferred Stock Sheet http://www.biotechacquisitionco.com/role/ConvertiblePreferredStock Convertible Preferred Stock Notes 24 false false R25.htm 024 - Disclosure - Common Stock Sheet http://www.biotechacquisitionco.com/role/CommonStock Common Stock Notes 25 false false R26.htm 025 - Disclosure - Stock Option Plan Sheet http://www.biotechacquisitionco.com/role/StockOptionPlan Stock Option Plan Notes 26 false false R27.htm 026 - Disclosure - License and Research and Development Agreements Sheet http://www.biotechacquisitionco.com/role/LicenseandResearchandDevelopmentAgreements License and Research and Development Agreements Notes 27 false false R28.htm 027 - Disclosure - Acquisition of ATXCo Sheet http://www.biotechacquisitionco.com/role/AcquisitionofATXCo Acquisition of ATXCo Notes 28 false false R29.htm 028 - Disclosure - Net Loss Per Share Sheet http://www.biotechacquisitionco.com/role/NetLossPerShare Net Loss Per Share Notes 29 false false R30.htm 029 - Disclosure - Accounting Policies, by Policy (Policies) Sheet http://www.biotechacquisitionco.com/role/AccountingPoliciesByPolicy Accounting Policies, by Policy (Policies) Policies http://www.biotechacquisitionco.com/role/SummaryofSignificantAccountingPolicies 30 false false R31.htm 030 - Disclosure - Summary of Significant Accounting Policies (Tables) Sheet http://www.biotechacquisitionco.com/role/SummaryofSignificantAccountingPoliciesTables Summary of Significant Accounting Policies (Tables) Tables http://www.biotechacquisitionco.com/role/SummaryofSignificantAccountingPolicies 31 false false R32.htm 031 - Disclosure - Commitments and Contingencies (Tables) Sheet http://www.biotechacquisitionco.com/role/CommitmentsandContingenciesTables Commitments and Contingencies (Tables) Tables http://www.biotechacquisitionco.com/role/CommitmentsandContingencies 32 false false R33.htm 032 - Disclosure - Fair Value Measurements (Tables) Sheet http://www.biotechacquisitionco.com/role/FairValueMeasurementsTables Fair Value Measurements (Tables) Tables http://www.biotechacquisitionco.com/role/FairValueMeasurements 33 false false R34.htm 033 - Disclosure - Balance Sheet Components (Tables) Sheet http://www.biotechacquisitionco.com/role/BalanceSheetComponentsTables Balance Sheet Components (Tables) Tables http://www.biotechacquisitionco.com/role/BalanceSheetComponents 34 false false R35.htm 034 - Disclosure - Income Taxes (Tables) Sheet http://www.biotechacquisitionco.com/role/IncomeTaxesTables Income Taxes (Tables) Tables http://www.biotechacquisitionco.com/role/IncomeTaxes 35 false false R36.htm 035 - Disclosure - Term Loan Agreement (Tables) Sheet http://www.biotechacquisitionco.com/role/TermLoanAgreementTables Term Loan Agreement (Tables) Tables http://www.biotechacquisitionco.com/role/TermLoanAgreement 36 false false R37.htm 036 - Disclosure - Common Stock Warrants (Tables) Sheet http://www.biotechacquisitionco.com/role/CommonStockWarrantsTables Common Stock Warrants (Tables) Tables http://www.biotechacquisitionco.com/role/CommonStockWarrants 37 false false R38.htm 037 - Disclosure - Convertible Preferred Stock (Tables) Sheet http://www.biotechacquisitionco.com/role/ConvertiblePreferredStockTables Convertible Preferred Stock (Tables) Tables http://www.biotechacquisitionco.com/role/ConvertiblePreferredStock 38 false false R39.htm 038 - Disclosure - Common Stock (Tables) Sheet http://www.biotechacquisitionco.com/role/CommonStockTables Common Stock (Tables) Tables http://www.biotechacquisitionco.com/role/CommonStockWarrants 39 false false R40.htm 039 - Disclosure - Stock Option Plan (Tables) Sheet http://www.biotechacquisitionco.com/role/StockOptionPlanTables Stock Option Plan (Tables) Tables http://www.biotechacquisitionco.com/role/StockOptionPlan 40 false false R41.htm 040 - Disclosure - Net Loss Per Share (Tables) Sheet http://www.biotechacquisitionco.com/role/NetLossPerShareTables Net Loss Per Share (Tables) Tables http://www.biotechacquisitionco.com/role/NetLossPerShare 41 false false R42.htm 041 - Disclosure - Description of Organization and Business Operations (Details) Sheet http://www.biotechacquisitionco.com/role/DescriptionofOrganizationandBusinessOperationsDetails Description of Organization and Business Operations (Details) Details http://www.biotechacquisitionco.com/role/DescriptionofOrganizationandBusinessOperations 42 false false R43.htm 042 - Disclosure - Summary of Significant Accounting Policies (Details) Sheet http://www.biotechacquisitionco.com/role/SummaryofSignificantAccountingPoliciesDetails Summary of Significant Accounting Policies (Details) Details http://www.biotechacquisitionco.com/role/SummaryofSignificantAccountingPoliciesTables 43 false false R44.htm 043 - Disclosure - Summary of Significant Accounting Policies (Details) - Schedule of condensed balance sheet are reconciled Sheet http://www.biotechacquisitionco.com/role/ScheduleofcondensedbalancesheetarereconciledTable Summary of Significant Accounting Policies (Details) - Schedule of condensed balance sheet are reconciled Details http://www.biotechacquisitionco.com/role/SummaryofSignificantAccountingPoliciesTables 44 false false R45.htm 044 - Disclosure - Summary of Significant Accounting Policies (Details) - Schedule of basic and diluted net income per common share Sheet http://www.biotechacquisitionco.com/role/ScheduleofbasicanddilutednetincomepercommonshareTable Summary of Significant Accounting Policies (Details) - Schedule of basic and diluted net income per common share Details http://www.biotechacquisitionco.com/role/SummaryofSignificantAccountingPoliciesTables 45 false false R46.htm 045 - Disclosure - Initial Public Offering (Details) Sheet http://www.biotechacquisitionco.com/role/InitialPublicOfferingDetails Initial Public Offering (Details) Details http://www.biotechacquisitionco.com/role/InitialPublicOffering 46 false false R47.htm 046 - Disclosure - Private Placement (Details) Sheet http://www.biotechacquisitionco.com/role/PrivatePlacementDetails Private Placement (Details) Details http://www.biotechacquisitionco.com/role/PrivatePlacement 47 false false R48.htm 047 - Disclosure - Related Party Transactions (Details) Sheet http://www.biotechacquisitionco.com/role/RelatedPartyTransactionsDetails Related Party Transactions (Details) Details http://www.biotechacquisitionco.com/role/RelatedPartyTransactions 48 false false R49.htm 048 - Disclosure - Commitments and Contingencies (Details) Sheet http://www.biotechacquisitionco.com/role/CommitmentsandContingenciesDetails Commitments and Contingencies (Details) Details http://www.biotechacquisitionco.com/role/CommitmentsandContingenciesTables 49 false false R50.htm 049 - Disclosure - Shareholders??? (DEFICIT) Equity (Details) Sheet http://www.biotechacquisitionco.com/role/ShareholdersDEFICITEquityDetails Shareholders??? (DEFICIT) Equity (Details) Details http://www.biotechacquisitionco.com/role/ShareholdersDEFICITEquity 50 false false R51.htm 050 - Disclosure - Warrants (Details) Sheet http://www.biotechacquisitionco.com/role/WarrantsDetails Warrants (Details) Details http://www.biotechacquisitionco.com/role/Warrants 51 false false R52.htm 051 - Disclosure - Fair Value Measurements (Details) Sheet http://www.biotechacquisitionco.com/role/FairValueMeasurementsDetails Fair Value Measurements (Details) Details http://www.biotechacquisitionco.com/role/FairValueMeasurementsTables 52 false false R53.htm 052 - Disclosure - Fair Value Measurements (Details) - Schedule of assets that are measured at fair value on a recurring basis Sheet http://www.biotechacquisitionco.com/role/ScheduleofassetsthataremeasuredatfairvalueonarecurringbasisTable Fair Value Measurements (Details) - Schedule of assets that are measured at fair value on a recurring basis Details http://www.biotechacquisitionco.com/role/FairValueMeasurementsTables 53 false false R54.htm 053 - Disclosure - Fair Value Measurements (Details) - Schedule of binomial lattice model for warrants Sheet http://www.biotechacquisitionco.com/role/ScheduleofbinomiallatticemodelforwarrantsTable Fair Value Measurements (Details) - Schedule of binomial lattice model for warrants Details http://www.biotechacquisitionco.com/role/FairValueMeasurementsTables 54 false false R55.htm 054 - Disclosure - Fair Value Measurements (Details) - Schedule of changes in the fair value of warrant liabilities Sheet http://www.biotechacquisitionco.com/role/ScheduleofchangesinthefairvalueofwarrantliabilitiesTable Fair Value Measurements (Details) - Schedule of changes in the fair value of warrant liabilities Details http://www.biotechacquisitionco.com/role/FairValueMeasurementsTables 55 false false R56.htm 055 - Disclosure - Subsequent Events (Details) Sheet http://www.biotechacquisitionco.com/role/SubsequentEventsDetails Subsequent Events (Details) Details http://www.biotechacquisitionco.com/role/SubsequentEvents 56 false false R57.htm 056 - Disclosure - The Company (Details) Sheet http://www.biotechacquisitionco.com/role/TheCompanyDetails The Company (Details) Details http://www.biotechacquisitionco.com/role/TheCompany 57 false false R58.htm 057 - Disclosure - Summary of Significant Accounting Policies (Details) - Schedule of property and equipment are stated at cost, subject to adjustments for impairments, less accumulated depreciation and amortization Sheet http://www.biotechacquisitionco.com/role/ScheduleofpropertyandequipmentarestatedatcostsubjecttoadjustmentsforimpairmentslessaccumulateddepreciationandamortizationTable Summary of Significant Accounting Policies (Details) - Schedule of property and equipment are stated at cost, subject to adjustments for impairments, less accumulated depreciation and amortization Details http://www.biotechacquisitionco.com/role/SummaryofSignificantAccountingPoliciesTables 58 false false R59.htm 058 - Disclosure - Fair Value Measurement (Details) - Schedule of financial assets and liabilities measured and recognized at fair value Sheet http://www.biotechacquisitionco.com/role/ScheduleoffinancialassetsandliabilitiesmeasuredandrecognizedatfairvalueTable Fair Value Measurement (Details) - Schedule of financial assets and liabilities measured and recognized at fair value Details http://www.biotechacquisitionco.com/role/FairValueMeasurementsTables 59 false false R60.htm 059 - Disclosure - Fair Value Measurement (Details) - Schedule of changes in the fair value of the indemnification holdback Sheet http://www.biotechacquisitionco.com/role/ScheduleofchangesinthefairvalueoftheindemnificationholdbackTable Fair Value Measurement (Details) - Schedule of changes in the fair value of the indemnification holdback Details http://www.biotechacquisitionco.com/role/FairValueMeasurementsTables 60 false false R61.htm 060 - Disclosure - Fair Value Measurement (Details) - Schedule of changes in the fair value of the contingent consideration Sheet http://www.biotechacquisitionco.com/role/ScheduleofchangesinthefairvalueofthecontingentconsiderationTable Fair Value Measurement (Details) - Schedule of changes in the fair value of the contingent consideration Details http://www.biotechacquisitionco.com/role/FairValueMeasurementsTables 61 false false R62.htm 061 - Disclosure - Fair Value Measurement (Details) - Schedule of provides the changes in the fair value of the convertible notes Notes http://www.biotechacquisitionco.com/role/ScheduleofprovidesthechangesinthefairvalueoftheconvertiblenotesTable Fair Value Measurement (Details) - Schedule of provides the changes in the fair value of the convertible notes Details http://www.biotechacquisitionco.com/role/FairValueMeasurementsTables 62 false false R63.htm 062 - Disclosure - Fair Value Measurement (Details) - Schedule of assumptions used for the valuation of the warrants Sheet http://www.biotechacquisitionco.com/role/ScheduleofassumptionsusedforthevaluationofthewarrantsTable Fair Value Measurement (Details) - Schedule of assumptions used for the valuation of the warrants Details http://www.biotechacquisitionco.com/role/FairValueMeasurementsTables 63 false false R64.htm 063 - Disclosure - Fair Value Measurement (Details) - Schedule of change in fair value of the 2020 and 2021 Warrants Sheet http://www.biotechacquisitionco.com/role/Scheduleofchangeinfairvalueofthe2020and2021WarrantsTable Fair Value Measurement (Details) - Schedule of change in fair value of the 2020 and 2021 Warrants Details http://www.biotechacquisitionco.com/role/FairValueMeasurementsTables 64 false false R65.htm 064 - Disclosure - Fair Value Measurement (Details) - Schedule of change in fair value of the 2021 Convertible Note tranche obligation Sheet http://www.biotechacquisitionco.com/role/Scheduleofchangeinfairvalueofthe2021ConvertibleNotetrancheobligationTable Fair Value Measurement (Details) - Schedule of change in fair value of the 2021 Convertible Note tranche obligation Details http://www.biotechacquisitionco.com/role/FairValueMeasurementsTables 65 false false R66.htm 065 - Disclosure - Balance Sheet Components (Details) Sheet http://www.biotechacquisitionco.com/role/BalanceSheetComponentsDetails Balance Sheet Components (Details) Details http://www.biotechacquisitionco.com/role/BalanceSheetComponentsTables 66 false false R67.htm 066 - Disclosure - Balance Sheet Components (Details) - Schedule of property and equipment, net Sheet http://www.biotechacquisitionco.com/role/ScheduleofpropertyandequipmentnetTable Balance Sheet Components (Details) - Schedule of property and equipment, net Details http://www.biotechacquisitionco.com/role/BalanceSheetComponentsTables 67 false false R68.htm 067 - Disclosure - Balance Sheet Components (Details) - Schedule of accrued expenses and other current liabilities Sheet http://www.biotechacquisitionco.com/role/ScheduleofaccruedexpensesandothercurrentliabilitiesTable Balance Sheet Components (Details) - Schedule of accrued expenses and other current liabilities Details http://www.biotechacquisitionco.com/role/BalanceSheetComponentsTables 68 false false R69.htm 068 - Disclosure - Commitments and Contingencies (Details) - Schedule of future minimum facility lease payments Sheet http://www.biotechacquisitionco.com/role/ScheduleoffutureminimumfacilityleasepaymentsTable Commitments and Contingencies (Details) - Schedule of future minimum facility lease payments Details http://www.biotechacquisitionco.com/role/CommitmentsandContingenciesTables 69 false false R70.htm 069 - Disclosure - Income Taxes (Details) Sheet http://www.biotechacquisitionco.com/role/IncomeTaxesDetails Income Taxes (Details) Details http://www.biotechacquisitionco.com/role/IncomeTaxesTables 70 false false R71.htm 070 - Disclosure - Income Taxes (Details) - Schedule of loss before taxes Sheet http://www.biotechacquisitionco.com/role/ScheduleoflossbeforetaxesTable Income Taxes (Details) - Schedule of loss before taxes Details http://www.biotechacquisitionco.com/role/IncomeTaxesTables 71 false false R72.htm 071 - Disclosure - Income Taxes (Details) - Schedul of provision for income taxes Sheet http://www.biotechacquisitionco.com/role/SchedulofprovisionforincometaxesTable Income Taxes (Details) - Schedul of provision for income taxes Details http://www.biotechacquisitionco.com/role/IncomeTaxesTables 72 false false R73.htm 072 - Disclosure - Income Taxes (Details) - Schedule of deferred tax assets Sheet http://www.biotechacquisitionco.com/role/ScheduleofdeferredtaxassetsTable Income Taxes (Details) - Schedule of deferred tax assets Details http://www.biotechacquisitionco.com/role/IncomeTaxesTables 73 false false R74.htm 073 - Disclosure - Term Loan Agreement (Details) Sheet http://www.biotechacquisitionco.com/role/TermLoanAgreementDetails Term Loan Agreement (Details) Details http://www.biotechacquisitionco.com/role/TermLoanAgreementTables 74 false false R75.htm 074 - Disclosure - Term Loan Agreement (Details) - Schedule of future principal payments under the term loan agreement Sheet http://www.biotechacquisitionco.com/role/ScheduleoffutureprincipalpaymentsunderthetermloanagreementTable Term Loan Agreement (Details) - Schedule of future principal payments under the term loan agreement Details http://www.biotechacquisitionco.com/role/TermLoanAgreementTables 75 false false R76.htm 075 - Disclosure - Convertible Notes (Details) Notes http://www.biotechacquisitionco.com/role/ConvertibleNotesDetails Convertible Notes (Details) Details http://www.biotechacquisitionco.com/role/ConvertibleNotes 76 false false R77.htm 076 - Disclosure - Common Stock Warrants (Details) Sheet http://www.biotechacquisitionco.com/role/CommonStockWarrantsDetails Common Stock Warrants (Details) Details http://www.biotechacquisitionco.com/role/CommonStockWarrantsTables 77 false false R78.htm 077 - Disclosure - Common Stock Warrants (Details) - Schedule of warrants to purchase shares of the company???s common stock Sheet http://www.biotechacquisitionco.com/role/ScheduleofwarrantstopurchasesharesofthecompanyscommonstockTable Common Stock Warrants (Details) - Schedule of warrants to purchase shares of the company???s common stock Details http://www.biotechacquisitionco.com/role/CommonStockWarrantsTables 78 false false R79.htm 078 - Disclosure - Common Stock Warrants (Details) - Schedule of black-scholes option pricing model Sheet http://www.biotechacquisitionco.com/role/ScheduleofblackscholesoptionpricingmodelTable Common Stock Warrants (Details) - Schedule of black-scholes option pricing model Details http://www.biotechacquisitionco.com/role/CommonStockWarrantsTables 79 false false R80.htm 079 - Disclosure - Convertible Preferred Stock (Details) Sheet http://www.biotechacquisitionco.com/role/ConvertiblePreferredStockDetails Convertible Preferred Stock (Details) Details http://www.biotechacquisitionco.com/role/ConvertiblePreferredStockTables 80 false false R81.htm 080 - Disclosure - Convertible Preferred Stock (Details) - Schedule of convertible preferred stock Sheet http://www.biotechacquisitionco.com/role/ScheduleofconvertiblepreferredstockTable Convertible Preferred Stock (Details) - Schedule of convertible preferred stock Details http://www.biotechacquisitionco.com/role/ConvertiblePreferredStockTables 81 false false R82.htm 081 - Disclosure - Common Stock (Details) Sheet http://www.biotechacquisitionco.com/role/CommonStockDetails Common Stock (Details) Details http://www.biotechacquisitionco.com/role/CommonStockWarrantsTables 82 false false R83.htm 082 - Disclosure - Common Stock (Details) - Schedule of common stock, on an as-converted basis for issuance Sheet http://www.biotechacquisitionco.com/role/ScheduleofcommonstockonanasconvertedbasisforissuanceTable Common Stock (Details) - Schedule of common stock, on an as-converted basis for issuance Details http://www.biotechacquisitionco.com/role/CommonStockWarrantsTables 83 false false R84.htm 083 - Disclosure - Stock Option Plan (Details) Sheet http://www.biotechacquisitionco.com/role/StockOptionPlanDetails Stock Option Plan (Details) Details http://www.biotechacquisitionco.com/role/StockOptionPlanTables 84 false false R85.htm 084 - Disclosure - Stock Option Plan (Details) - Schedule of stock option plan exercised option Sheet http://www.biotechacquisitionco.com/role/ScheduleofstockoptionplanexercisedoptionTable Stock Option Plan (Details) - Schedule of stock option plan exercised option Details http://www.biotechacquisitionco.com/role/StockOptionPlanTables 85 false false R86.htm 085 - Disclosure - Stock Option Plan (Details) - Schedule of grant-date fair values of employee and non-employee stock options Sheet http://www.biotechacquisitionco.com/role/ScheduleofgrantdatefairvaluesofemployeeandnonemployeestockoptionsTable Stock Option Plan (Details) - Schedule of grant-date fair values of employee and non-employee stock options Details http://www.biotechacquisitionco.com/role/StockOptionPlanTables 86 false false R87.htm 086 - Disclosure - Stock Option Plan (Details) - Schedule of stock-based compensation expense Sheet http://www.biotechacquisitionco.com/role/ScheduleofstockbasedcompensationexpenseTable Stock Option Plan (Details) - Schedule of stock-based compensation expense Details http://www.biotechacquisitionco.com/role/StockOptionPlanTables 87 false false R88.htm 087 - Disclosure - License and Research and Development Agreements (Details) Sheet http://www.biotechacquisitionco.com/role/LicenseandResearchandDevelopmentAgreementsDetails License and Research and Development Agreements (Details) Details http://www.biotechacquisitionco.com/role/LicenseandResearchandDevelopmentAgreements 88 false false R89.htm 088 - Disclosure - Acquisition of ATXCo (Details) Sheet http://www.biotechacquisitionco.com/role/AcquisitionofATXCoDetails Acquisition of ATXCo (Details) Details http://www.biotechacquisitionco.com/role/AcquisitionofATXCo 89 false false R90.htm 089 - Disclosure - Net Loss Per Share (Details) - Schedule of basic and diluted loss per share Sheet http://www.biotechacquisitionco.com/role/ScheduleofbasicanddilutedlosspershareTable Net Loss Per Share (Details) - Schedule of basic and diluted loss per share Details http://www.biotechacquisitionco.com/role/NetLossPerShareTables 90 false false R91.htm 090 - Disclosure - Net Loss Per Share (Details) - Schedule of diluted net loss per share attributable to common stockholders Sheet http://www.biotechacquisitionco.com/role/ScheduleofdilutednetlosspershareattributabletocommonstockholdersTable Net Loss Per Share (Details) - Schedule of diluted net loss per share attributable to common stockholders Details http://www.biotechacquisitionco.com/role/NetLossPerShareTables 91 false false All Reports Book All Reports fs42022a1_biotechacq.htm biot-20211231.xsd biot-20211231_cal.xml biot-20211231_def.xml biot-20211231_lab.xml biot-20211231_pre.xml fs42022a1ex23-2_biotechacq.htm timage_001.jpg timage_002.jpg timage_003.jpg timage_004.jpg timage_005.jpg timage_008.jpg timage_009.jpg timage_010.jpg timage_011.jpg timage_012.jpg timage_013.jpg timage_014.jpg timage_015.jpg timage_016.jpg timage_017.jpg timage_018.jpg timage_019.jpg timage_020.jpg timage_021.jpg timage_022.jpg timage_023.jpg timage_024.jpg tvantage_footer1.jpg tvantage_footer11.jpg tvantage_header.jpg tvantage_sig.jpg http://fasb.org/us-gaap/2021-01-31 http://xbrl.sec.gov/dei/2021 true true