3.25.1 html 207 292 1 false 64 0 false 8 false false R1.htm 100000 - Document - Document and Entity Information Sheet http://engene.com/20250430/taxonomy/role/DocumentDocumentAndEntityInformation Document and Entity Information Cover 1 false false R2.htm 100010 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) Sheet http://engene.com/20250430/taxonomy/role/StatementCondensedConsolidatedBalanceSheetsUnaudited CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) Statements 2 false false R3.htm 100030 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) (Unaudited) Sheet http://engene.com/20250430/taxonomy/role/StatementCondensedConsolidatedBalanceSheetsParentheticalUnaudited CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) (Unaudited) Statements 3 false false R4.htm 100040 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS (Unaudited) Sheet http://engene.com/20250430/taxonomy/role/StatementCondensedConsolidatedStatementsOfOperationsAndComprehensiveLossUnaudited CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS (Unaudited) Statements 4 false false R5.htm 100050 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (Unaudited) Sheet http://engene.com/20250430/taxonomy/role/StatementCondensedConsolidatedStatementsOfShareholdersEquityUnaudited CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (Unaudited) Statements 5 false false R6.htm 100060 - Statement - CONDENSED CONSOLIDATED STATEMENT OF CASH FLOWS (Unaudited) Sheet http://engene.com/20250430/taxonomy/role/StatementCondensedConsolidatedStatementOfCashFlowsUnaudited CONDENSED CONSOLIDATED STATEMENT OF CASH FLOWS (Unaudited) Statements 6 false false R7.htm 995410 - Disclosure - Pay vs Performance Disclosure Sheet http://xbrl.sec.gov/ecd/role/PvpDisclosure Pay vs Performance Disclosure Notes 7 false false R8.htm 995445 - Disclosure - Insider Trading Arrangements Sheet http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements Insider Trading Arrangements Notes 8 false false R9.htm 995455 - Disclosure - Description of Business Sheet http://engene.com/20250430/taxonomy/role/DisclosureDescriptionOfBusiness1 Description of Business Notes 9 false false R10.htm 995465 - Disclosure - Summary of Significant Accounting Policies Sheet http://engene.com/20250430/taxonomy/role/SummaryOfSignificantAccountingPolicies Summary of Significant Accounting Policies Notes 10 false false R11.htm 995485 - Disclosure - Fair Value Measurements Sheet http://engene.com/20250430/taxonomy/role/DisclosureFairValueMeasurements1 Fair Value Measurements Notes 11 false false R12.htm 995495 - Disclosure - Marketable Securities Sheet http://engene.com/20250430/taxonomy/role/DisclosureMarketableSecurities Marketable Securities Notes 12 false false R13.htm 995505 - Disclosure - Property and Equipment, Net Sheet http://engene.com/20250430/taxonomy/role/DisclosurePropertyAndEquipmentNet1 Property and Equipment, Net Notes 13 false false R14.htm 995515 - Disclosure - Accrued Expenses and Other Current Liabilities Sheet http://engene.com/20250430/taxonomy/role/DisclosureAccruedExpensesAndOtherCurrentLiabilities Accrued Expenses and Other Current Liabilities Notes 14 false false R15.htm 995525 - Disclosure - License Agreement and Clinical Research Organization Sheet http://engene.com/20250430/taxonomy/role/DisclosureLicenseAgreementAndClinicalResearchOrganization License Agreement and Clinical Research Organization Notes 15 false false R16.htm 995535 - Disclosure - Notes Payable Notes http://engene.com/20250430/taxonomy/role/DisclosureNotesPayable1 Notes Payable Notes 16 false false R17.htm 995565 - Disclosure - Common Shares Sheet http://engene.com/20250430/taxonomy/role/DisclosureCommonShares1 Common Shares Notes 17 false false R18.htm 995575 - Disclosure - Share-Based Compensation Sheet http://engene.com/20250430/taxonomy/role/DisclosureSharebasedCompensation Share-Based Compensation Notes 18 false false R19.htm 995585 - Disclosure - Net Loss Per Share Sheet http://engene.com/20250430/taxonomy/role/DisclosureNetLossPerShare Net Loss Per Share Notes 19 false false R20.htm 995595 - Disclosure - Income Taxes Sheet http://engene.com/20250430/taxonomy/role/DisclosureIncomeTaxes Income Taxes Notes 20 false false R21.htm 995605 - Disclosure - Leases Sheet http://engene.com/20250430/taxonomy/role/DisclosureLeases1 Leases Notes 21 false false R22.htm 995615 - Disclosure - Commitments and Contingencies Sheet http://engene.com/20250430/taxonomy/role/DisclosureCommitmentsAndContingencies Commitments and Contingencies Notes 22 false false R23.htm 995625 - Disclosure - Subsequent Events Sheet http://engene.com/20250430/taxonomy/role/SubsequentEvents Subsequent Events Notes 23 false false R24.htm 995635 - Disclosure - Summary of Significant Accounting Policies (Policies) Sheet http://engene.com/20250430/taxonomy/role/SummaryOfSignificantAccountingPoliciesPolicies Summary of Significant Accounting Policies (Policies) Policies http://engene.com/20250430/taxonomy/role/SummaryOfSignificantAccountingPolicies 24 false false R25.htm 995655 - Disclosure - Fair Value Measurements (Tables) Sheet http://engene.com/20250430/taxonomy/role/DisclosureFairValueMeasurementsTables Fair Value Measurements (Tables) Tables http://engene.com/20250430/taxonomy/role/DisclosureFairValueMeasurements1 25 false false R26.htm 995665 - Disclosure - Marketable Securities (Tables) Sheet http://engene.com/20250430/taxonomy/role/DisclosureMarketableSecuritiesTables Marketable Securities (Tables) Tables http://engene.com/20250430/taxonomy/role/DisclosureMarketableSecurities 26 false false R27.htm 995675 - Disclosure - Property and Equipment, Net (Tables) Sheet http://engene.com/20250430/taxonomy/role/DisclosurePropertyAndEquipmentNetTables Property and Equipment, Net (Tables) Tables http://engene.com/20250430/taxonomy/role/DisclosurePropertyAndEquipmentNet1 27 false false R28.htm 995685 - Disclosure - Accrued Expenses and Other Current Liabilities (Tables) Sheet http://engene.com/20250430/taxonomy/role/DisclosureAccruedExpensesAndOtherCurrentLiabilitiesTables Accrued Expenses and Other Current Liabilities (Tables) Tables http://engene.com/20250430/taxonomy/role/DisclosureAccruedExpensesAndOtherCurrentLiabilities 28 false false R29.htm 995695 - Disclosure - Notes Payable (Tables) Notes http://engene.com/20250430/taxonomy/role/DisclosureNotesPayableTables Notes Payable (Tables) Tables http://engene.com/20250430/taxonomy/role/DisclosureNotesPayable1 29 false false R30.htm 995715 - Disclosure - Share-Based Compensation (Tables) Sheet http://engene.com/20250430/taxonomy/role/DisclosureSharebasedCompensationTables Share-Based Compensation (Tables) Tables http://engene.com/20250430/taxonomy/role/DisclosureSharebasedCompensation 30 false false R31.htm 995725 - Disclosure - Net Loss Per Share (Tables) Sheet http://engene.com/20250430/taxonomy/role/DisclosureNetLossPerShareTables Net Loss Per Share (Tables) Tables http://engene.com/20250430/taxonomy/role/DisclosureNetLossPerShare 31 false false R32.htm 995745 - Disclosure - Leases (Tables) Sheet http://engene.com/20250430/taxonomy/role/DisclosureLeasesTables Leases (Tables) Tables http://engene.com/20250430/taxonomy/role/DisclosureLeases1 32 false false R33.htm 995755 - Disclosure - Description of Business - Additional Information (Details) Sheet http://engene.com/20250430/taxonomy/role/DisclosureDescriptionOfBusinessAdditionalInformationDetails Description of Business - Additional Information (Details) Details 33 false false R34.htm 995765 - Disclosure - Reverse Recapitalization -Additional Information (Details) Sheet http://engene.com/20250430/taxonomy/role/DisclosureReverseRecapitalizationAdditionalInformationDetails Reverse Recapitalization -Additional Information (Details) Details 34 false false R35.htm 995805 - Disclosure - Fair Value Measurements - Schedule of Fair Value Hierarchy for Financial Assets Measured at Fair Value (Details) Sheet http://engene.com/20250430/taxonomy/role/DisclosureFairValueMeasurementsScheduleOfFairValueHierarchyForFinancialAssetsMeasuredAtFairValueDetails Fair Value Measurements - Schedule of Fair Value Hierarchy for Financial Assets Measured at Fair Value (Details) Details 35 false false R36.htm 995815 - Disclosure - Fair Value Measurements - Additional Information (Details) Sheet http://engene.com/20250430/taxonomy/role/DisclosureFairValueMeasurementsAdditionalInformationDetails Fair Value Measurements - Additional Information (Details) Details 36 false false R37.htm 995825 - Disclosure - Marketable Securities - Schedule of Marketable Securities (Details) Sheet http://engene.com/20250430/taxonomy/role/DisclosureMarketableSecuritiesScheduleOfMarketableSecuritiesDetails Marketable Securities - Schedule of Marketable Securities (Details) Details 37 false false R38.htm 995835 - Disclosure - Marketable Securities - Additional Information (Details) Sheet http://engene.com/20250430/taxonomy/role/DisclosureMarketableSecuritiesAdditionalInformationDetails Marketable Securities - Additional Information (Details) Details 38 false false R39.htm 995845 - Disclosure - Property and Equipment, Net - Summary of Property and Equipment (Details) Sheet http://engene.com/20250430/taxonomy/role/DisclosurePropertyAndEquipmentNetSummaryOfPropertyAndEquipmentDetails Property and Equipment, Net - Summary of Property and Equipment (Details) Details 39 false false R40.htm 995855 - Disclosure - Property and Equipment, Net - Additional Information (Details) Sheet http://engene.com/20250430/taxonomy/role/DisclosurePropertyAndEquipmentNetAdditionalInformationDetails Property and Equipment, Net - Additional Information (Details) Details 40 false false R41.htm 995865 - Disclosure - Accrued Expenses and Other Current Liabilities - Summary of Accrued Expenses and Other Current Liabilities (Details) Sheet http://engene.com/20250430/taxonomy/role/DisclosureAccruedExpensesAndOtherCurrentLiabilitiesSummaryOfAccruedExpensesAndOtherCurrentLiabilitiesDetails Accrued Expenses and Other Current Liabilities - Summary of Accrued Expenses and Other Current Liabilities (Details) Details 41 false false R42.htm 995875 - Disclosure - License Agreement and Clinical Research Organization - Additional Information (Details) Sheet http://engene.com/20250430/taxonomy/role/DisclosureLicenseAgreementAndClinicalResearchOrganizationAdditionalInformationDetails License Agreement and Clinical Research Organization - Additional Information (Details) Details 42 false false R43.htm 995885 - Disclosure - Notes Payable - Additional Information (Details) Notes http://engene.com/20250430/taxonomy/role/DisclosureNotesPayableAdditionalInformationDetails Notes Payable - Additional Information (Details) Details 43 false false R44.htm 995895 - Disclosure - Notes Payable - Schedule of Carrying Value of Term Loan (Details) Notes http://engene.com/20250430/taxonomy/role/DisclosureNotesPayableScheduleOfCarryingValueOfTermLoanDetails Notes Payable - Schedule of Carrying Value of Term Loan (Details) Details 44 false false R45.htm 995905 - Disclosure - Notes Payable - Schedule of Estimated Future Principal Payments Due Under the Loan Agreement (Details) Notes http://engene.com/20250430/taxonomy/role/DisclosureNotesPayableScheduleOfEstimatedFuturePrincipalPaymentsDueUnderTheLoanAgreementDetails Notes Payable - Schedule of Estimated Future Principal Payments Due Under the Loan Agreement (Details) Details 45 false false R46.htm 995915 - Disclosure - Convertible Debentures - Additional Information (Details) Sheet http://engene.com/20250430/taxonomy/role/DisclosureConvertibleDebenturesAdditionalInformationDetails Convertible Debentures - Additional Information (Details) Details 46 false false R47.htm 995925 - Disclosure - Redeemable Convertible Preferred Shares - Additional Information (Details) Sheet http://engene.com/20250430/taxonomy/role/DisclosureRedeemableConvertiblePreferredSharesAdditionalInformationDetails Redeemable Convertible Preferred Shares - Additional Information (Details) Details 47 false false R48.htm 995935 - Disclosure - Common Shares - Additional Information (Details) Sheet http://engene.com/20250430/taxonomy/role/DisclosureCommonSharesAdditionalInformationDetails Common Shares - Additional Information (Details) Details 48 false false R49.htm 995945 - Disclosure - Share-Based Compensation - Schedule of Shares Reserved For Future Issuance Under The Plan (Details) Sheet http://engene.com/20250430/taxonomy/role/DisclosureSharebasedCompensationScheduleOfSharesReservedForFutureIssuanceUnderThePlanDetails Share-Based Compensation - Schedule of Shares Reserved For Future Issuance Under The Plan (Details) Details 49 false false R50.htm 995955 - Disclosure - Share-Based Compensation - Additional Information (Details) Sheet http://engene.com/20250430/taxonomy/role/DisclosureSharebasedCompensationAdditionalInformationDetails Share-Based Compensation - Additional Information (Details) Details 50 false false R51.htm 995965 - Disclosure - Share-Based Compensation - Schedule of Assumptions Used to Determine Grant-Date Fair Value of Stock Options (Details) Sheet http://engene.com/20250430/taxonomy/role/DisclosureSharebasedCompensationScheduleOfAssumptionsUsedToDetermineGrantdateFairValueOfStockOptionsDetails Share-Based Compensation - Schedule of Assumptions Used to Determine Grant-Date Fair Value of Stock Options (Details) Details 51 false false R52.htm 995975 - Disclosure - Share-Based Compensation - Summary of Stock Option Activity (Details) Sheet http://engene.com/20250430/taxonomy/role/DisclosureSharebasedCompensationSummaryOfStockOptionActivityDetails Share-Based Compensation - Summary of Stock Option Activity (Details) Details 52 false false R53.htm 995985 - Disclosure - Share-Based Compensation - Summary of Share-based Compensation Expense (Details) Sheet http://engene.com/20250430/taxonomy/role/DisclosureSharebasedCompensationSummaryOfSharebasedCompensationExpenseDetails Share-Based Compensation - Summary of Share-based Compensation Expense (Details) Details 53 false false R54.htm 995995 - Disclosure - Net Loss Per Share - Summary of Basic and Diluted Net Loss Per Share (Details) Sheet http://engene.com/20250430/taxonomy/role/DisclosureNetLossPerShareSummaryOfBasicAndDilutedNetLossPerShareDetails Net Loss Per Share - Summary of Basic and Diluted Net Loss Per Share (Details) Details 54 false false R55.htm 996005 - Disclosure - Net Loss Per Share - Summary of Diluted Net Loss Per Share Attributable To Common Shareholders (Details) Sheet http://engene.com/20250430/taxonomy/role/DisclosureNetLossPerShareSummaryOfDilutedNetLossPerShareAttributableToCommonShareholdersDetails Net Loss Per Share - Summary of Diluted Net Loss Per Share Attributable To Common Shareholders (Details) Details 55 false false R56.htm 996015 - Disclosure - Income Taxes - Additional Information (Details) Sheet http://engene.com/20250430/taxonomy/role/DisclosureIncomeTaxesAdditionalInformationDetails Income Taxes - Additional Information (Details) Details 56 false false R57.htm 996025 - Disclosure - Leases - Additional Information (Details) Sheet http://engene.com/20250430/taxonomy/role/DisclosureLeasesAdditionalInformationDetails Leases - Additional Information (Details) Details 57 false false R58.htm 996035 - Disclosure - Leases - Schedule of Components of Operating Lease Cost (Details) Sheet http://engene.com/20250430/taxonomy/role/DisclosureLeasesScheduleOfComponentsOfOperatingLeaseCostDetails Leases - Schedule of Components of Operating Lease Cost (Details) Details 58 false false R59.htm 996055 - Disclosure - Leases - Schedule of Maturities of Operating Lease Liabilities (Details) Sheet http://engene.com/20250430/taxonomy/role/DisclosureLeasesScheduleOfMaturitiesOfOperatingLeaseLiabilitiesDetails Leases - Schedule of Maturities of Operating Lease Liabilities (Details) Details 59 false false R60.htm 996065 - Disclosure - Subsequent Events - Additional Information (Details) Sheet http://engene.com/20250430/taxonomy/role/DisclosureSubsequentEventsAdditionalInformationDetails Subsequent Events - Additional Information (Details) Details 60 false false All Reports Book All Reports engn-20250430.htm engn-20250430.xsd http://fasb.org/us-gaap/2024 http://xbrl.sec.gov/dei/2024 http://xbrl.sec.gov/ecd/2024 false false