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SSI Strategy Holdings LLC [Member] SSI Strategy Holdings LLC Share Based Compensation Arrangement By Share Based Payment Award Award Requisite Service Period1 Award requisite service vesting period Dallas Lease Amendment Dallas Lease Amendment [Member] Dallas lease amendment. Research And Development In Process Research and development license expense Accrued Professional Fees Current Accrued professional and consulting fees Accrued Liabilities And Other Liabilities Accrued expenses and other current liabilities Total accrued expenses and other current liabilities Pro rata payments to Investors as liquidated damages Pro Rata Payments To Investors As Liquidated Damages Pro rata payments to Investors as liquidated damages. 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License Agreement Commercial Milestones Payment License agreement commercial milestones payment Maximum construction allowance provided by landlord per rentable square foot Maximum Construction Allowance Provided By Landlord Per Rentable Square Foot Maximum construction allowance provided by landlord per rentable square foot. Accounting Standards Update [Domain] Leases [Abstract] Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Text Block] Schedule of Prepaid Expenses and Other Current Assets Payment of one-time upfront license fee. Payment Of One Time Upfront License Fee Payment of one-time upfront license fee Entity Emerging Growth Company Entity Emerging Growth Company Payment of sales commissions and other offering cost Payment Of Sales Commissions And Other Offering Costs Payment of sales commissions and other offering costs. 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Schedule Of Share Based Payment Award Stock Options Valuation Assumptions Table [Text Block] Schedule of Assumptions Used to Estimate Fair Value of Stock Options and Cancelled Options Debt Instrument Maturity Date Debt instrument, maturity date Lessee, Lease, Description [Table] Revenues, Total Revenues Revenues Revenue Share Based Compensation Stock-based compensation Share-Based Payment Arrangement, Noncash Expense, Total Property Plant And Equipment Net Property, plant and equipment, net Property, plant and equipment, net Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Remaining Contractual Term1 Vested and expected to vest at September 30, 2022, Weighted Average Remaining Contractual Life Debt Instrument Unamortized Discount Unamortized debt discount Debt Instrument, Unamortized Discount, Total Share Based Compensation Arrangements By Share Based Payment Award Award Type And Plan Name [Domain] Award Type Statement [Line Items] Statement [Line Items] Share Based Compensation Arrangement By Share Based Payment Award Discount From Market Price Offering Date Percentage of payroll deductions of employee's compensation during offering period Security12b Title Title of 12(b) Security Increase Decrease In Accounts Payable Accounts payable Increase (Decrease) in Accounts Payable, Total Restructuring Cost And Reserve [Line Items] Restructuring Cost And Reserve [Line Items] Common Stock [Member] Common Stock Sharebased Compensation Arrangement By Sharebased Payment Award Expiration Period Share-based payment award, expiration period Net Cash Provided By Used In Operating Activities [Abstract] Cash flows from operating activities Warrant liability Warrant liability, Current Warrant liabilities, current. 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Payment Of License Fee License fee payment Allocated Share Based Compensation Expense Stock-based compensation expense Interest Expense Long Term Debt Interest expense related to term loan Interest Expense, Long-Term Debt, Total Derecognized Build To Suit Lease Liability Derecognized Build To Suit Lease Liability Derecognized build to suit lease liablility Sales Agreement. Sales Agreement [Member] Sales Agreement Increase decrease in accrued expense and other current liabilities. Increase Decrease In Accrued Expense And Other Current Liabilities Accrued expenses and other current liabilities Security Exchange Name Security Exchange Name Term loan facility. Term Loan Facility [Member] Term Loan Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] Share based compensation award tranche four. Share Based Compensation Award Tranche Four [Member] Share-based Payment Arrangement, Tranche Four Finance Lease, Liability, Noncurrent Finance, lease liabilities, non-current Cash Flow, Operating Activities, Lessee [Abstract] Significant Accounting Policies [Text Block] Summary of Significant Accounting Policies Net Cash Provided By Used In Operating Activities Net cash used in operating activities Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 Share-based payment award, compensation cost not yet recognized, weighted-average period of recognition Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 Outstanding, Weighted Average Remaining Contractual Life Commitments And Contingencies Disclosure [Abstract] Accrued severance balance as of June 30, 2023 Accrued severance balance. 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License Agreement For C L N7 [Member] License Agreement for CLN7 Proceeds From Issuance Of Private Placement Aggregate gross proceeds Nonoperating Income Expense [Abstract] Other income (expense): Research and development Research And Development Expense Research And Development Expense Research and Development Expense, Total Lessee, Operating Lease, Liability, to be Paid Future minimum remianing lease payments Total lease payments Restructuring Type [Axis] Lessee Operating Lease Term Of Contract Operating lease term of contract Difference of market value paid Difference Of Market Value Paid Difference of market value paid Pegasus Park L L C Pegasus Park L L C [Member] Pegasus Park, LLC. Entity Central Index Key Entity Central Index Key Right-of-Use Asset Obtained in Exchange for Finance Lease Liability Right-of-use assets obtained in exchange for lease liabilities Percentage of common stock shares entitled to receive additional shares on fully diluted basis. Percentage Of Common Stock Shares Entitled To Receive Additional Shares On Fully Diluted Basis Percentage of entitled to receive additional shares on fully diluted basis Accounting Policies [Abstract] Share Based Compensation Arrangement By Share Based Payment Award Expiration Date Share-based payment award, expiration date Accumulated Depreciation Depletion And Amortization Property Plant And Equipment Accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Total Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Beginning Balance Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Ending Balance Schedule Of Property Plant And Equipment [Table] Schedule Of Property Plant And Equipment [Table] Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate Expected volatility Finance Lease, Weighted Average Discount Rate, Percent Weighted average discount rate - Finance leases Regulatory milestone fee paid. Regulatory Milestone Fee Paid Regulatory milestone fee paid Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant Available for grant beginning of period Available for grant ending of period Disclosure Of Compensation Related Costs Share Based Payments [Text Block] Stock-Based Compensation Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Aggregate Intrinsic Value Vested and expected to vest at September 30, 2022, Aggregate Intrinsic Value Prepaid Insurance Prepaid insurance Subsequent Event [Table] Subsequent Event [Table] General And Administrative Expense General and administrative General and Administrative Expense, Total Accrued property, plant, and equipment current. Accrued Property Plant And Equipment Current Accrued property, plant and equipment Measurement Input Type [Domain] Organization Consolidation And Presentation Of Financial Statements [Abstract] Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price Outstanding, Weighted Average Exercise Price, Ending balance Outstanding, Weighted Average Exercise Price, Beginning balance Former President and Chief Executive Officer President and chief executive officer. President And Chief Executive Officer [Member] RA Session II Percentage of automatic increase every year in common stock shares reserved for future issuance. Percentage Of Automatic Increase Every Year In Common Stock Shares Reserved For Future Issuance Percentage of automatic increase every year in common stock shares reserved for future issuance Research And Development Expense [Member] Research and Development Expense License agreement sales-related milestones maximum amount payable. License Agreement Sales Related Milestones Maximum Amount Payable License agreement sales-related milestones maximum amount payable Warrants, measurement input Warrants and Rights Outstanding, Measurement Input Property Subject To Or Available For Operating Lease Number Of Units Number of operating lease landlord square feet manufacturing facility Lease, Cost Total lease cost Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities [Abstract] Adjustments to reconcile net loss to net cash used in operating activities: Retained Earnings [Member] Accumulated Deficit Employee stock purchase plans. Employee Stock Purchase Plans [Member] Employee Stock Purchase Plan (ESPP) Measurement Input Type [Axis] Research, collaboration and license agreements. Research Collaboration And License Agreements [Abstract] Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items] Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items] Number of distinct and active clinical stage. Number Of Distinct And Active Clinical Stage Number of distinct and active clinical stage Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Property Plant And Equipment Gross Property, plant and equipment, gross Property, Plant and Equipment, Gross, Total Property, Plant and Equipment, Gross, Beginning Balance Property, Plant and Equipment, Gross, Ending Balance Sharebased Compensation Arrangement By Sharebased Payment Award Award Vesting Rights Percentage Share-based payment award, vesting rights percentage Additional Paid In Capital Additional paid-in capital Additional Paid in Capital, Total Entity Interactive Data Current Entity Interactive Data Current Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Number Vested and expected to vest at September 30, 2022, Stock Options Class of warrant or right vested and exercisable shares Class Of Warrant Or Right Vested and Exercisable Class of warrant or right vested and exercisable. Schedule Of Share Based Compensation Activity Table [Text Block] Schedule of Stock Option Activity Lessee, Operating Lease, Liability, to be Paid, Year One 2024 Clinical, regulatory and commercial milestones to be received. Clinical Regulatory And Commercial Milestones To Be Received Clinical, regulatory and commercial milestones to be received Leasehold Improvements [Member] Leasehold Improvements License agreement regulatory milestones payment. License Agreement Regulatory Milestones Payment License agreement regulatory milestones payment Offering costs Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs Term loan from april one twenty twenty three until december thirty one twenty twenty three. Term Loan From April One Twenty Twenty Three Until December Thirty One Twenty Twenty Three [Member] April 1, 2023 until December 31, 2023 Market-based Stock Options Market Based Stock Options [Member] Market based stock options. Percentage of annual default interest rate. Percentage Of Annual Default Interest Rate Percentage of annual default interest rate Share based compensation arrangement by share based payment award options grants in period grant date fair value. Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Grant Date Fair Value Share-based payment award, options grant date fair value Local Phone Number Local Phone Number Lessee operating lease liability payments due after year four. Lessee Operating Lease Liability Payments Due After Year Four Thereafter Schedule Of Earnings Per Share Basic And Diluted Table [Text Block] Schedule of Calculation of Basic and Diluted Net Loss Per Common Share Schedule of share based compensation available for grant. Schedule Of Share Based Compensation Available For Grant [Table Text Block] Schedule of Share Based Compensation Available for Grant under Incentive Plans Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Period1 Award vesting period Debt Disclosure [Abstract] Share Based Compensation Arrangement By Share Based Payment Award [Line Items] Share Based Compensation Arrangement By Share Based Payment Award [Line Items] Basis Of Accounting Policy Policy [Text Block] Basis of Presentation Warrants and Rights Note Disclosure [Abstract] Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross Options granted, Stock Options Share-based payment award, options granted Other Liabilities Noncurrent Other non-current liabilities Income Statement Location [Domain] Income Statement Location Risk-free interest rate Measurement Input, Risk Free Interest Rate [Member] Share Based Compensation Arrangement By Share Based Payment Award Options Expirations In Period Options expired, Stock Options Research and development license not yet paid. Research And Development License Not Yet Paid Purchase of research and development license not yet paid Long Term Debt Maturities Repayments Of Principal In Next Twelve Months 2024 Aggregate offering price from sale of common stock. Aggregate Offering Price From Sale Of Common Stock Aggregate offering price from sale of common stock Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number Nonvested, Number of Shares, Ending Balance Nonvested, Number of Shares, Beginning Balance Outstsanding performance and market-based RSU's Lessee, operating and finance lease, liability, maturity . Lessee, Operating And Finance Lease, Liability, Maturity [Table Text Block] Schedule of Future Minimum Commitments Under Company's Operating and Finance Leases Long Term Debt Term Loan, net Increase Decrease In Prepaid Deferred Expense And Other Assets Prepaid expenses and other assets Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] Entity Incorporation Date Of Incorporation Date of incorporation Outstanding performance and market-based options Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number Outstanding. Stock Options, Ending Balance Outstanding. Stock Options, Beginning Balance Purchase price per share of common stock Share Price Share price Debt Instrument Name [Domain] Debt Instrument, Name Document Fiscal Year Focus Document Fiscal Year Focus Class of Warrant or Right [Axis] Lessee, Operating Lease, Liability, to be Paid, Year Two 2025 Accrued research and development current. Accrued Research And Development Current Accrued research and development Vesting [Domain] Vesting Earnings Per Share Basic Net loss per common share, basic Earnings Per Share, Basic, Total Fair value of shares transferred value. Fair Value Of Shares Transferred Value Fair value of shares transferred, Value Assets [Abstract] ASSETS Prepaid Expense And Other Assets Current Prepaid expenses and other current assets Total prepaid expenses and other current assets Purchase price per share of common stock Shares Issued, Price Per Share Interest Income Expense Nonoperating Net Interest income Property Plant And Equipment By Type [Axis] Long-Lived Tangible Asset Schedule Of Restructuring And Related Costs [Table] Schedule Of Restructuring And Related Costs [Table] Beneficial ownership limitation notice period (in days) Beneficial Ownership Limitation Notice Period Beneficial ownership limitation notice period. Liabilities And Stockholders Equity [Abstract] LIABILITIES AND STOCKHOLDERS' EQUITY Antidilutive Securities Name [Domain] Antidilutive Securities, Name Type of Restructuring [Domain] Nonvested Restricted Stock Shares Activity Table [Text Block] Schedule of Restricted Stock Awards Activity Profit Loss Net loss Net Income (Loss), Including Portion Attributable to Noncontrolling Interest, Total Assets Current [Abstract] Current assets: Exercise price of warrants per share Class of Warrant or Right, Exercise Price of Warrants or Rights Exercise price of warrants Finance Lease, Liability, Statement of Financial Position [Extensible Enumeration] Defined Contribution Plan Employer Discretionary Contribution Amount Contribution to retirement savings plan Increase Decrease In Operating Capital [Abstract] Changes in operating assets and liabilities: Abeona CLN1 agreements. Abeona C L N1 Agreements [Member] Abeona CLN1 Agreements Abeona CLN1 Agreements Lease, Cost [Abstract] Entity [Domain] Cover [Abstract] Payments to acquire license right. Payments To Acquire License Right Cash payment to acquire license agreement Products And Services [Domain] Product and Service Performance and market-based restricted stock units of other option vested during period Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Vested, Number of Shares Liabilities Current [Abstract] Current liabilities Maximum [Member] Maximum Percentage of prepayment premium Percentage Of Prepayment Premium Percentage of prepayment premium UT southwestern agreement. U T Southwestern Agreement [Member] UT Southwestern Agreement Schedule Of Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Text Block] Schedule of Total Stock-Based Compensation Expense for Stock Options, ESPP, RSAs and RSUs SSI Warrants SSI Warrants [Member] SSI Warrants [Member] Net Cash Provided By Used In Investing Activities Net cash used in investing activities Furniture And Fixtures [Member] Furniture and Fixtures Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Table] Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Table] Prepaid bonus. Prepaid Bonus Prepaid bonus Use Of Estimates Use of Estimates Severance cost recorded. Severance Cost Recorded Severance recorded Debt Instrument Basis Spread On Variable Rate1 Debt instrument, basis spread on variable rate Long Term Debt Maturities Repayments Of Principal Remainder Of Fiscal Year 2023 Stock Issued During Period Value Stock Options Exercised Stock options were exercised during the period Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] On Site Generation Lease On Site Generation Lease [Member] On-site generation lease. Debt Instrument Carrying Amount Total principal payments Common Stock Shares Authorized Common stock, shares authorized Trading Symbol Trading Symbol Title Of Individual With Relationship To Entity [Domain] Title of Individual Subsequent Event Type [Axis] Operating Lease, Right-of-Use Asset, Amortization Expense Non-cash lease expense Performance Stock Options Performance Shares [Member] Lease liability current. Lease Liability Current Lease liabilities, current portion Increase or decrease in beneficial ownership limitation percentage Increase or Decrease in Beneficial Ownership Limitation Percentage Increase or decrease in beneficial ownership limitation percentage. Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate Risk-free interest rate Accounts Payable Current Accounts payable Accounts Payable, Current, Total Term loan through december thirty one twenty twenty one. Term Loan Through December Thirty One Twenty Twenty One [Member] Through December 31, 2021 Finance lease liability payments due after year four. Finance Lease Liability Payments Due After Year Four Thereafter Plan Name [Axis] Plan Name Title Of Individual [Axis] Title of Individual Property Plant And Equipment Type [Domain] Long-Lived Tangible Asset Common Stock Par Or Stated Value Per Share Common stock, par value per share Warrants Exercised Class of Warrant or Right, Unissued Dallas Lease Dallas Lease [Member] Dallas lease. Variable Lease, Cost Variable lease cost License agreement regulatory related milestones maximum amount payable. License Agreement Regulatory Related Milestones Maximum Amount Payable License agreement regulatory related milestones maximum amount payable Comprehensive Income Policy Policy [Text Block] Comprehensive Loss Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Restricted units/stock granted, Number of Shares Share-based payment award, RSU/RSA granted Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan Disclosure [Line Items] Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price Options granted, Weighted Average Exercise Price Share-based payment award, options granted, exercise price per share Debt Instrument [Line Items] Debt Instrument [Line Items] Longterm Debt Type [Domain] Long-Term Debt, Type Prepaid research and development contracts. Prepaid Research And Development Contracts Prepaid research and development Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount Anti-dilutive securities excluded from computation of diluted net loss per share Noncash Investing And Financing Items [Abstract] Supplemental disclosure of noncash investing and financing activities: