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Deferred revenue Deferred Revenue, Current Deferred Revenue, Current, Total Deferred revenue Property, Plant and Equipment [Abstract] Milestone payments Milestone Payments Milestone payments. Other assets Other Assets, Noncurrent Measurement Input, Expected Term [Member] Measurement Input, Contractual Term [Member] Deferred Revenue Arrangement Type Deferred Revenue Arrangement Type [Axis] Antidilutive Securities Antidilutive Securities [Axis] Type of Revenue [Extensible List] Revenue, Product and Service [Extensible Enumeration] REGENXBIO, Inc. member. REGENXBIO, Inc.[Member] REGENXBIO, Inc. Liability Related to the Sales of Future Royalties and Non-Cash Interest Expense Liability Related to Sales of Future Royalties and Non Cash Interest Expense [Policy Text Block] Liability related to sales of future royalties and non cash interest expense. 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Lessee, operating lease, option to extend, description Lessee, Operating Lease, Option to Extend Preferred Stock, Value, Issued Preferred Stock, Value, Issued, Total Preferred Stock, Value, Issued, Beginning Balance Preferred Stock, Value, Issued, Ending Balance Preferred stock, $0.001 par value; 10,000,000 shares authorized and no shares issued at June 30, 2025 and December 31, 2024 Accumulated Other Comprehensive Loss Income Accumulated Other Comprehensive Loss Income [Member] Accumulated Other Comprehensive Loss Income [Member] Note, Maturity date Loans held-for-sale, maturity date Debt Instrument, Maturity Date Platform Operator, Crypto Asset [Table] 2011 Stock Incentive Plan, 2016 Equity Incentive Plan Two Thousands And Eleven Stock Incentive Plan Two Thousands And Sixteen Equity Incentive Plan [Member] Two thousands and eleven stock incentive plan two thousands and sixteen equity incentive plan. 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Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Long-Lived Tangible Asset Long-Lived Tangible Asset [Domain] Significant transfers between Levels 1, 2 and 3 Fair Value Assets Between Level1 Level2 And Level3 Transfers Amount Fair value assets between level 1 level 2 and level 3 transfers amount. Subsequent Event Subsequent Events [Text Block] Long term debt Long-Term Debt Long-term Debt, Total Related Party Transactions Related Party Transactions Disclosure [Text Block] Share-based compensation expense APIC, Share-Based Payment Arrangement, Increase for Cost Recognition APIC, Share-based Payment Arrangement, Increase for Cost Recognition, Total Aura Biosciences [Member] Aura Biosciences [Member] Aura Biosciences [Member] Beginning balance Ending balance Equity, Attributable to Parent Total stockholders` deficit Preferred stock, par value Preferred Stock, Par or Stated Value Per Share Purchase and sale agreement description Purchase and Sale Agreement Description Purchase and Sale Agreement Description Basis of Presentation and Principles of Consolidation Basis of Accounting, Policy [Policy Text Block] Statement of Stockholders' Equity [Abstract] Common stock warrants disclosure. 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Financial Instruments [Domain] Measurement Input, Exercise Price [Member] Measurement Input, Exercise Price Per Share [Member] Increase (Decrease) in Deferred Revenue Deferred revenue Restricted cash Restricted Cash Restricted Cash, Total Restricted cash Work in process Work in process [Member] Work in process [Member] Weighted average shares outstanding - diluted Weighted Average Number of Shares Outstanding, Diluted Weighted Average Number of Shares Outstanding, Diluted, Total Entity File Number Securities Act File Number Related Party Deposit Liabilities Liabilities Maturity of short-term investments Proceeds from Sale, Maturity and Collection of Short-Term Investments, Total Proceeds from Sale, Maturity and Collection of Short-Term Investments Cover [Abstract] Area of office leased Area Of Leased Office Space Square footage of leased office space. Measurement Input Type [Axis] Accounts payable and accrued liabilities Increase (Decrease) in Accounts Payable and Accrued Liabilities Increase (Decrease) in Accounts Payable and Accrued Liabilities, Total Accounts payable and accrued liabilities (includes $254 to a related party for the six months ended June 30, 2024) Research and development to Related Party Research and development to Related Party Research and development to Related Party Number of Shares, Forfeited Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Aggregate principal amount Loan, Securitized or Asset-Backed Financing Arrangement, Principal Outstanding Investments [Domain] Proceeds from at-the-market sales agreement, net of issuance costs Proceeds From Issuance At The Market Proceeds from the issuance of shares under an at-the-market sales agreement. Summary of Valuation Allowance [Table Text Block] Schedule of Valuation of the Warrants Scenario [Domain] Sale of Stock [Domain] General and administrative General and Administrative Expense General and Administrative Expense, Total First Milestone Proceeds From Royalty Purchase And Sale Agreement First Milestone Proceeds From Royalty Purchase And Sale Agreement First milestone proceeds from royalty purchase and sale agreement Cantor Fitzgerald & Co1 [Member] Cantor Fitzgerald & Co1 [Member] Cantor Fitzgerald Co Research And Development Arrangement Contract To Perform For Others [Line Items] Research and Development Arrangement, Contract to Perform for Others [Line Items] Subsequent Event [Table] Employee Termination Related Cost Employee Termination Related Cost Employee Termination Related Cost Estimated Useful Lives (Years) Property, Plant and Equipment, Useful Life New Accounting Pronouncements, Policy [Policy Text Block] Recently Issued Accounting Pronouncements Future Minimum Commitments Due Under Non-Cancelable Operating Leases Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Commitment And Contingencies [Table] Commitment And Contingencies [Table] Commitment and Contingencies [Table] Stock Issued During Period Shares At Market Sales Agreement Stock issued during period shares at market sales agreement. Issuance of common stock under at-the-market sales agreement, shares Issuance of common stock under sales agreement, shares Depreciation Depreciation Depreciation, Total Unrecognized compensation expense related to the RSUs Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount Operating lease agreement term Lessee, Operating Lease, Term of Contract Common Stock, Shares, Outstanding Common Stock, Shares, Outstanding, Beginning Balance Common stock, shares outstanding Common stock, shares outstanding Common Stock, Shares, Outstanding, Ending Balance Current portion of operating lease liabilities Operating Lease, Liability, Current Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] Document Transition Report Document Transition Report Total operating expenses Operating Expenses Total operating expenses Expenses Research and Development Expense Research and Development Expense, Total Research and development (includes $243 and $503 to a related party for the three and six months ended June 30, 2024, respectively) Statement of Cash Flows [Abstract] Summary of Activity Related to Stock Options Share-Based Payment Arrangement, Option, Activity [Table Text Block] Common Stock Equity [Text Block] Net Loss Per Share Earnings Per Share [Text Block] Measurement Input, Expected Dividend Rate [Member] Measurement Input, Expected Dividend Yield [Member] Computer Equipment Computer Equipment [Member] Net loss Total Maintenance Fee Payments Due Maintenance Fee Payments Due Total Operating Lease, Cost Operating Lease, Cost Warrants and Rights Outstanding, Term Contractual term (in years) Stock Purchase Warrants [Abstract] Stock purchase warrants. Cash payments included in operating activities for operating lease liabilities Operating Lease, Payments Assets Assets [Abstract] Prepaid expenses and other current assets Prepaid expenses and other current assets Increase (Decrease) in Prepaid Expense and Other Assets Increase (Decrease) in Prepaid Expense and Other Assets, Total Repayment of outstanding amount under the loan agreement including fees Repayments of Debt Document Fiscal Year Focus Document Fiscal Year Focus Liability related to the sales of future royalties, net Liabilities Related To The Sales Of Future Royalties Liabilities Related To The Sales Of Future Royalties Royalty Purchase and Sale Agreement Ending Balance Royalty Purchase and Sale Agreement, Begning balance Condensed Cash Flow Statement [Table] Investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Accounts Payable, Current Accounts Payable, Current, Total Accounts payable (includes $491 to a related party as of December 31, 2024) Warrants Liabilities Policy Text Block Warrants Liabilities Policy Text Block Warrant Liabilities Issuance of common shares under a direct registered offering Issuance of common shares under a direct registered offering Issuance of common stock under registered direct offering, shares Minimum monthly lease payments Operating Leases Rent Expense Minimum Rentals Per Month Operating leases rent expense minimum rentals per month. Research and Development Research and Development Expense [Member] Proceeds from exercise of stock options Proceeds from Stock Options Exercised Fair Value Disclosures [Abstract] Commitments and Contingencies Disclosure [Abstract] Clinical and regulatory milestone payments Clinical And Regulatory Milestone Payments Clinical And Regulatory Milestone Payments Proceeds from royalty purchase and sale agreement, net of issuance costs Proceeds from royalty purchase and sale agreement, net of issuance costs Proceeds from royalty purchase and sale agreement, net of issuance costs Maintenance Fee Payments Due Next Rolling Twelve Months Maintenance Fee Payments Due Next Rolling Twelve Months 2025 Other non-current liabilities Other non-current liabilities Debt Instrument Debt Instrument [Axis] Share-Based Payment Arrangement [Abstract] Maintenance Fee Payments Due In Rolling Year Five Maintenance Fee Payments Due In Rolling Year Five 2029 Debt Securities, Available-for-Sale [Abstract] Total assets Assets, Fair Value Disclosure Assets, Fair Value Disclosure, Total Sale of Stock [Axis] Proceeds from shares issued under employee stock purchase plan Proceeds, Issuance of Shares, Share-Based Payment Arrangement, Excluding Option Exercised Net cash used in investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Net cash used in investing activities Net cash used in investing activities Title of 12(b) Security Title of 12(b) Security Unusual or Infrequent Items, or Both [Abstract] Royalty Purchase and Sale Agreement Royalty Purchase and Sale Agreement Text Block Royalty Purchase and Sale Agreement Text Block Weighted Average Exercise Price, Forfeited Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Weighted Average Exercise Price, Forfeited Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Maintenance Fee Operating License Liability Payments Due Year Four Maintenance Fee Operating License Liability Payments Due Year Four Maintenance Fee Operating License Liability Payments Due Year Four Related and Nonrelated Parties [Domain] Collaborative Arrangement and Arrangement Other than Collaborative [Table] Interest Expense Interest Expense [Member] Class Of Warrant Or Right [Line Items] Class of Warrant or Right [Line Items] Accounts Payable [Member] Changes in operating assets and liabilities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Schedule of Property and Equipment, Net Property, Plant and Equipment [Table Text Block] Weighted Average Exercise Price, Options outstanding, Beginning balance Weighted Average Exercise Price, Options outstanding, Ending balance Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price Royalties On Annual Global Net Product Sales Royalties On Annual Global Net Product Sales Change in fair value of warrant liabilities Change in fair value of warrant liabilities Change in fair value of warrant liabilities Additional Paid-In-Capital Additional Paid-in Capital [Member] Income Statement Location Statement of Income Location, Balance [Axis] Trading Symbol Trading Symbol Property and Equipment, Net Property, Plant and Equipment Disclosure [Text Block] Warrants expiration term Warrants Expiration Term Warrants expiration term. Related Party Transaction [Table] Operating Leases Included on the Balance Sheet Schedule Of Operating Leases Assets And Liabilities Schedule of operating leases assets and liabilities. Extinguishment of Debt [Axis] Subsequent Event Type [Axis] Upfront and milestone payments Upfront and Milestone Payments Upfront and Milestone Payments Accrued employee costs Employee-related Liabilities, Current Employee-related Liabilities, Current, Total First Amended and Restated Loan and Security Agreement First Amended And Restated Loan And Security Agreement [Member] First amended and restated loan and security agreement. Financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Schedule of Annual Maintenance Fee Payments [Table Text Block] Schedule of Annual Maintenance Fee Payments [Table Text Block] Schedule of Annual Maintenance Fee Payments Equity Components Equity Components [Axis] Equity Component Equity Component [Domain] Upfront Payment [Member] Upfront payment member. Upfront Payment Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures, Total Vesting and settlement of restricted stock units, shares Machinery and Equipment Machinery and Equipment [Member] Stock Issued During Period, Shares, Employee Stock Purchase Plans Common stock purchased Issuance of common stock under employee stock purchase plan, shares Arctic Vision Limited Arctic Visions Limited [Member] Arctic Vision Limited [Member] Maximum Maximum [Member] Total liabilities Liabilities, Fair Value Disclosure Liabilities, Fair Value Disclosure, Total Statistical Measurement [Axis] Statistical Measurement Weighted Average Exercise Price, Exercised Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Prepaid expenses Prepaid Expense, Current Prepaid Expense, Current, Total Common Stock, Value, Issued, Ending Balance Common Stock, Value, Issued Common Stock, Value, Issued, Total Common Stock, Value, Issued, Beginning Balance Common stock, $0.001 par value; 400,000,000 and 200,000,000 shares authorized at June 30, 2025 and December 31, 2024, respectively; 78,495,760 and 76,578,383 shares issued and outstanding at June 30, 2025 and December 31, 2024, respectively Letter Agreement [Member] Letter Agreement [Member] Letter Agreement [Member] Accretion of deferred debt issuance costs Amortization of Debt Issuance Costs Development milestone payments Development Milestone Payments Development milestone payments. Preferred stock, shares authorized Preferred Stock, Shares Authorized Finite-Lived Intangible Assets by Major Class [Axis] Warrnants Excercise Price Per Share Warrnants Excercise Price Per Share Excercise price per share Lender Name Lender Name [Axis] Cantor Fitzgerald & Co [Member] Cantor Fitzgerald & Co [Member] Cantor Fitzgerald & Co. Related Party Transaction [Line Items] Entity Registrant Name Entity Registrant Name Debt Disclosure [Text Block] CARES Act Paycheck Protection Program Loan Debt instrument, principal balance payment Debt Instrument, Periodic Payment, Principal Unrealized Losses Unrealized Losses Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax Proceeds From Registered Direct Offering Proceeds From Registered Direct Offering Proceeds from registered direct offering Additional paid-in capital Additional Paid in Capital Additional Paid in Capital, Total Additional Paid in Capital, Beginning Balance Additional Paid in Capital, Ending Balance Subsequent Events [Abstract] Measurement Input, Conversion Price [Member] Measurement Input, Common Stock Price [Member] Income Tax Expense (Benefit) Income Tax Expense (Benefit), Total Income tax expense Unrealized loss on available-for-sale investments Debt Securities, Available-for-Sale, Unrealized Loss Unrealized loss on available-for-sale investments Purchase Price Of Share And Warrant Purchase Price Of Share And Warrant Purchase price of share and warrant Available-for-Sale Investments Debt Securities Available For Sale Text Block This element represents a text block that includes a narrative or descriptive disclosure about available-for-sale investments. It typically provides details on the types of investments, valuation methods, unrealized gains and losses, and any significant changes during the reporting period. Share Based Compensation Arrangement By Share Based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Concentration of Credit Risk Arising From Cash Deposits in Excess of Insured Limits Concentration Risk, Credit Risk, Policy [Policy Text Block] Share-Based Compensation Compensation Related Costs, Policy [Policy Text Block] Acquisition of property and equipment Acquisition of property and equipment Payments to Acquire Property, Plant, and Equipment Payments to Acquire Property, Plant, and Equipment, Total Number of Shares, Granted Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Warrant Expiration Date Warrant Expiration Date Warrant expiration date Total assets Assets Schedule Of Property Plant And Equipment [Table] Property, Plant and Equipment [Table] Income Statement [Abstract] Interest rate on outstanding principal amount Debtor-in-Possession Financing, Interest Rate on Borrowings Outstanding Number of shares sold under facility Sale of Stock, Number of Shares Issued in Transaction Number of Shares, Vested Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Business Combination, Integration-Related Cost, Expense Severance and other employee termination-related costs Net loss per share of common stock - diluted Earnings Per Share, Diluted Earnings Per Share, Diluted, Total Asset Acquisition [Axis] Property, Plant, and Equipment, Useful Life, Term, Description [Extensible Enumeration] City Area Code City Area Code Line of credit facility, maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Counterparty Name [Domain] Maintenance Fee Payments Due In Rolling Year Four Maintenance Fee Payments Due In Rolling Year Four 2028 Variable Lease, Cost Variable Lease, Cost Stock Issued During Period, Value, Employee Stock Purchase Plan Issuance of common stock under employee stock purchase plan Operating lease, remaining lease term Operating Lease, Weighted Average Remaining Lease Term Common stock,aggregate offering price Common stock,aggregate offering price Common stock shares aggregate offering price Award Date [Axis] Available-for-Sale Investments Abstract Investments [Abstract] Cash Equivalents Cash and Cash Equivalents, Policy [Policy Text Block] Property and equipment, net Property and equipment, net Property, Plant and Equipment, Net Property, Plant and Equipment, Net, Beginning Balance Property, Plant and Equipment, Net, Ending Balance Deferred Foreign Income Tax Expense (Benefit) Income tax Expense Related to a Foreign Cash, cash equivalents and restricted cash at end of period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Including Discontinued Operation Cash, cash equivalents and restricted cash, end of period Cash and cash equivalents, beginning of period Cash and cash equivalent, end of period Loss from operations Operating Income (Loss) Loss from operations Loss from operations Award Date [Domain] Accumulated Deficit Retained Earnings [Member] Share-based compensation expense Share-Based Payment Arrangement, Noncash Expense Share-based Payment Arrangement, Noncash Expense, Total Measurement Input, Price Volatility [Member] Measurement Input, Expected Volatility [Member] First cumulative net sales of products First Cumulative Net Sales Of Products First cumulative net sales of products. Operating lease liabilities Operating Lease, Liability, Noncurrent Level 1 Fair Value, Inputs, Level 1 [Member] Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Net cash (used in) provided by financing activities Short Term Debt [Line Items] Short-Term Debt [Line Items] Extinguishment of Debt, Type [Domain] Silicon Valley Bank, MidCap Funding III Trust and MidCap Financial Trust Silicon Valley Bank Mid Cap Funding I I I Trust And Mid Cap Financial Trust [Member] Silicon Valley Bank, MidCap funding III trust and MidCap financial trust. Non-cash interest expense Non-cash interest expense on liability related to the sales of future royalites Non-cash interest expense on liability related to the sales of future royalites Non-cash interest expense on liability related to the sales of future royalties, net of issuance costs accretion Potential Common Stock Equivalents Excluded from Computation of Diluted Net Loss per Share Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Debt Securities, Available-for-Sale [Table] Entity Interactive Data Current Entity Interactive Data Current Schedule Of Research And Development Arrangement Contract To Perform For Others [Table] Research and Development, Contract to Perform for Others [Table] Income Statement Location Statement of Income Location, Balance [Domain] Operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Furniture and Fixtures Furniture and Fixtures [Member] Non vested restricted stock units. Non-vested Restricted Stock Units Non Vested Restricted Stock Units [Member] Debt Instrument, Final Payment, Interest Debt Instrument, Periodic Payment, Interest Maintenance Fee Operating license Liability Payments Due Year Two Maintenance Fee Operating license Liability Payments Due Year Two Maintenance Fee Operating license Liability Payments Due Year Two License and other revenue from Related Party License and other revenue from Related Party License and other revenue from related party Entity Tax Identification Number Entity Tax Identification Number Share Price Common stock price The Company Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Local Phone Number Local Phone Number Related Party Transaction [Domain] Unrecognized compensation expense related to unvested stock options Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount Short-term Lease, Cost Short-Term Lease, Cost Accounting Policies [Abstract] License and other revenue Revenue from Contract with Customer, Excluding Assessed Tax Revenue from Contract with Customer, Excluding Assessed Tax, Total License and other revenue (includes $442 and $81 from a related party for the three months ended June 30, 2025 and 2024, respectively, and $448 and $156 for the six months ended June 30, 2025 and 2024, respectively.) Second Milestone Proceeds From Royalty Purchase And Sale Agreement Second Milestone Proceeds From Royalty Purchase And Sale Agreement Second milestone proceeds from royalty purchase and sale agreement Cash and Cash Equivalents [Member] Expected to be recognized over a weighted average period Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Second Amended and Restated Loan and Security Agreement Second Amended And Restated Loan And Security Agreement [Member] Second amended and restated loan and security agreement. Accrued professional fees Accrued Professional Fees, Current Cash, cash equivalents and short-term investments Cash, Cash Equivalents, and Short-Term Investments Cash, Cash Equivalents, and Short-Term Investments, Total In May Two Thousand Twenty Three [member] In May Two Thousand Twenty Three [member] In May 2023 Initial proceeds from royalty purchase and sales agreement net of certain expenses Initial Proceeds From Royalty Purchase and Sales Agreement Net of Certain Expenses Initial proceeds from royalty purchase and sales agreement net of certain expenses. Entity Emerging Growth Company Entity Emerging Growth Company