Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Statistical Measurement [Domain] Statistical Measurement [Domain] Government assistance, potential additional award amount Government Assistance, Potential Additional Award Amount Government Assistance, Potential Additional Award Amount Award Timing Predetermined Award Timing Predetermined [Flag] 2026 (remainder) Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year Indefinite-Lived Intangible Assets [Axis] Indefinite-Lived Intangible Assets [Axis] Entity File Number Entity File Number Additional paid-in capital Additional Paid-in Capital [Member] Valuation Approach and Technique [Domain] Valuation Approach and Technique [Domain] Thereafter Lessee, Operating Lease, Liability, To Be Paid, After Year Four Lessee, Operating Lease, Liability, To Be Paid, After Year Four Tabular List, Table Tabular List [Table Text Block] Leases [Abstract] Leases [Abstract] Net loss per share allocable to common stockholders: Earnings Per Share, Basic [Abstract] Recent Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Accounts payable Increase (Decrease) in Accounts Payable Other expense (income), net Nonoperating Income (Expense), Adjusted Nonoperating Income (Expense), Adjusted License License [Member] Common stock options and restricted stock units Shares available for future stock incentive awards Share-Based Payment Arrangement [Member] Other comprehensive (loss) income: Other Comprehensive Income (Loss), Tax [Abstract] Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Number of warrants, outstanding (in shares) Class of Warrant or Right, Outstanding Basic (in dollars per share) Earnings Per Share, Basic Adjustment to Compensation: Adjustment to Compensation [Axis] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Liabilities: Liabilities, Fair Value Disclosure [Abstract] Total (in shares) Common Stock, Capital Shares Reserved for Future Issuance Revenue Arrangements Revenue from Contract with Customer [Text Block] Schedule of Stock by Class [Table] Stock, Class of Stock [Table] Schedule of Segment Reporting Information, by Segment Schedule of Segment Reporting Information, by Segment [Table Text Block] Schedule of Cash and Cash Equivalents Schedule of Cash and Cash Equivalents [Table Text Block] Unsatisfied performance obligation Revenue, Remaining Performance Obligation, Amount Area of office space leased Area of Real Estate Property Measurement Input Type [Domain] Measurement Input Type [Domain] Number of shares authorized, increase (in shares) Share-Based Compensation Arrangement By Share-Based Payment Award, Number Of Shares Available For Grant, Increase (Decrease) Share-Based Compensation Arrangement By Share-Based Payment Award, Number Of Shares Available For Grant, Increase (Decrease) Adjustment to Compensation, Amount Adjustment to Compensation Amount Basis of Presentation and Consolidation Consolidation, Policy [Policy Text Block] Stock‑based compensation expense Share-Based Payment Arrangement, Noncash Expense Outstanding common stock options Outstanding Series A Preferred Stock options Options Share-Based Payment Arrangement, Option [Member] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Antidilutive Securities [Axis] Antidilutive Securities [Axis] Total stockholders’ deficit Beginning balance Ending balance Equity, Attributable to Parent Insider Trading Policies and Procedures [Line Items] Stock‑based compensation expense Total stock-based compensation expense Share-Based Payment Arrangement, Expense Schedule of Property and Equipment Property, Plant and Equipment [Table Text Block] Common stock, shares authorized (in shares) Common Stock, Shares Authorized Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets Disclosure [Abstract] Issuance of common stock through at the market offering, net of commissions and expenses (in shares) Stock Issued During Period, Shares, New Issues Current assets: Assets, Current [Abstract] Forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures in Period Total liabilities and stockholders’ deficit Liabilities and Equity Weighted-average fair value of common stock (in dollars per share) Share-Based Compensation Arrangement By Share-Based Payment Award, Fair Value Assumptions, Weighted Average Fair Value Weighed-average fair value relating to the share-based payment award. Potential common shares Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Number of Common Stock Options Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward] Liabilities and stockholders’ deficit Liabilities and Equity [Abstract] Cover [Abstract] Cover [Abstract] Money market funds (included in cash equivalents) Cash and Cash Equivalents, Fair Value Disclosure Collaboration and License Agreements Collaboration And License Agreements [Text Block] Collaboration And License Agreements Old Cartesian Old Cartesian [Member] Old Cartesian Maximum Maximum [Member] General and administrative General and Administrative Expense [Member] Accounting Policies [Abstract] Accounting Policies [Abstract] Schedule of Maturity of Operating Lease Liabilities Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block] Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] SOBI Swedish Orphan Biovitrum AB (SOBI) [Member] Swedish Orphan Biovitrum AB (SOBI) Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Pay vs Performance Disclosure [Line Items] Class of Warrant or Right [Axis] Class of Warrant or Right [Axis] License and option agreement, benchmark royalties, maximum License And Option Agreement, Benchmark Royalties, Maximum License And Option Agreement, Benchmark Royalties, Maximum License and option agreement, royalty payment License And Option Agreement, Royalty Payment License And Option Agreement, Royalty Payment Total operating lease liabilities Operating Lease, Liability Series B Preferred Stock Series B Preferred Stock [Member] Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Non‑cash lease expense Finance Lease, Right-of-Use Asset, Amortization Entity Shell Company Entity Shell Company Aggregate amount for future payments upon achievement of clinical and regulatory approval milestones for products containing ImmTOR platform Aggregate Amount For Future Payments Upon Achievement Of Clinical And Regulatory Approval Milestones For Products Containing ImmTOR Platform Aggregate Amount For Future Payments Upon Achievement Of Clinical And Regulatory Approval Milestones For Products Containing ImmTOR Platform Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Company Selected Measure Amount Company Selected Measure Amount 2029 Lessee, Operating Lease, Liability, to be Paid, Year Three Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Total comprehensive loss Comprehensive Income (Loss), Net of Tax, Attributable to Parent Old Cartesian Plan Old Cartesian Plan [Member] Old Cartesian Plan Measurement Input Type [Axis] Measurement Input Type [Axis] Name Measure Name Lease liabilities Operating Lease, Liability, Current Schedule of Roll-Forward of Fair Value for the Company’s Level 3 Warrant Liabilities, CVR Liability and Forward Contract Liabilities Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] National Institute of Neurological Disorders and Stroke of the National Institutes of Health Funding National Institute Of Neurological Disorders And Stroke Of The National Institutes Of Health Funding [Member] National Institute Of Neurological Disorders And Stroke Of The National Institutes Of Health Funding Class of Stock [Line Items] Class of Stock [Line Items] Deferred tax liabilities, net Deferred Income Tax Liabilities, Net Document Fiscal Period Focus Document Fiscal Period Focus Lease Arrangement [Domain] Lease Arrangement [Domain] [Domain] for Lease Arrangement [Axis] Award Timing Method Award Timing Method [Text Block] Accrued equity offering costs Accrued Equity Offering Costs, Current Accrued Equity Offering Costs, Current Furniture and fixtures Furniture and Fixtures [Member] Contingent value right liability Contingent Value Right Liability Contingent Value Right Liability Award Type [Axis] Award Type [Axis] Total assets Assets Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] Vested (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Weighted Average Exercise Price Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Weighted Average Exercise Price Cash flows from investing activities Cash Provided by (Used in) Investing Activity, Continuing Operation [Abstract] Trading Symbol Trading Symbol 2030 Lessee, Operating Lease, Liability, to be Paid, Year Four Vested (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Accrued expenses and other current liabilities Accrued Liabilities and Other Liabilities Entity Address, City or Town Entity Address, City or Town Effect of exchange rate changes on cash Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Income Statement Location [Domain] Statement of Income Location, Balance [Domain] Restricted Stock Units (RSUs) Restricted Stock Units (RSUs) [Member] Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Assets: Assets, Fair Value Disclosure [Abstract] Entity Emerging Growth Company Entity Emerging Growth Company Warrants to purchase common stock Warrant Liability Exercise of warrants Warrant [Member] Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Share-based compensation arrangement by share-based payment award, options, outstanding, number (in shares) Beginning balance (in shares) Ending balance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Level 2 Fair Value, Inputs, Level 2 [Member] NCI Agreement National Cancer Institute Agreement [Member] National Cancer Institute Agreement Restricted cash and cash equivalents Restricted Cash and Cash Equivalent Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Business Combination [Domain] Business Combination [Domain] In-process research and development asset Intangible assets Indefinite-Lived Intangible Assets (Excluding Goodwill) Research and development stock-based compensation expense Research And Development, Share Based Payment Arrangement, Expense [Member] Research And Development, Share Based Payment Arrangement, Expense Common stock, shares outstanding (in shares) Common stock, beginning balance (in shares) Common stock, ending balance (in shares) Common Stock, Shares, Outstanding Gain on change in fair value of warrant liabilities Gain on change in warrant liability Fair Value Adjustment of Warrants Plan Name [Axis] Plan Name [Axis] Distribution of Contingent Value Rights Payments For Contingent Value Rights Distributions Payments For Contingent Value Rights Distributions PEO PEO [Member] Non-cash investing and financing activities Noncash Investing and Financing Items [Abstract] Interest income Investment Income, Interest 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] Issuance of common stock upon exercise of options Stock Issued During Period, Value, Stock Options Exercised Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Expected volatility Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate Accumulated deficit Retained Earnings [Member] Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Number of Shares Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Schedule of Accrued Expenses Schedule of Accrued Liabilities [Table Text Block] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Restatement Determination Date Restatement Determination Date 3SBio License License Agreement With Shenyang Sunshine Pharmaceutical Company Limited [Member] Represents information pertaining to License agreement with Shenyang Sunshine Pharmaceutical co., ltd. Share-based Payment Arrangement [Abstract] Share-Based Payment Arrangement [Abstract] Cash, cash equivalents and restricted cash at beginning of period Cash, cash equivalents and restricted cash at end of period Total cash, cash equivalents, and restricted cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Sale of Stock [Domain] Sale of Stock [Domain] Preferred stock, shares issued (in shares) Preferred Stock, Shares Issued Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Dividend yield Measurement Input, Expected Dividend Rate [Member] Product and Service [Domain] Product and Service [Domain] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Total property and equipment Property, Plant and Equipment, Gross Research and development facilities and other expenses Research And Development, Facilities And Other Expenses [Member] Research And Development, Facilities And Other Expenses Vested, term Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Vested, Outstanding, Weighted Average Remaining Contractual Term Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Vested, Outstanding, Weighted Average Remaining Contractual Term Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Total liabilities Liabilities, Fair Value Disclosure Business Combination [Table] Business Combination [Table] Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Proceeds from exercise of stock options Proceeds from Stock Options Exercised 2016 Plan Stock Incentive Plan 2016 [Member] Represents the information pertaining to the 2016 stock incentive plan, which provides for the granting of stock based awards to employees, directors, and consultants under terms and provisions established by the board of directors. City Area Code City Area Code Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] All Trading Arrangements All Trading Arrangements [Member] Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Vested and expected to vest, term Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term Accrued expenses Accrued Liabilities, Current Warrants exercised (in shares) Class of Warrant Or Right, Outstanding, Warrants Exercised Class of Warrant Or Right, Outstanding, Warrants Exercised Unvested at beginning of period (in shares) Unvested at end of period (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Class of Warrant or Right [Line Items] Class of Warrant or Right [Line Items] General and administrative General and Administrative Expense Unrecognized compensation expense related to unvested employee stock options Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Net cash used in operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Preferred stock, par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share Schedule of Weighted Average Assumptions Used Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Total lease cost Lease, Cost Goodwill Goodwill Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Schedule of Components of Lease Costs and Other Information Related to Operating Leases Lease, Cost [Table Text Block] PEO Total Compensation Amount PEO Total Compensation Amount Depreciation expense Depreciation Vested and expected to vest (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price Money market funds (included in cash equivalents) Money Market Funds [Member] Equity Components [Axis] Equity Components [Axis] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Warrant liability Warrants And Rights Outstanding, Noncurrent Warrants And Rights Outstanding, Noncurrent Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Schedule of Operating Leased Assets [Table] Schedule of Operating Leased Assets [Table] Warrants and rights outstanding, term Warrants and Rights Outstanding, Term Written notice for agreement termination Collaborative Arrangement, Written Notice Period For Termination Collaborative Arrangement, Written Notice Period For Termination Other Performance Measure, Amount Other Performance Measure, Amount Weighted-average Exercise Price ($) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Schedule of Restricted Cash Restrictions on Cash and Cash Equivalents [Table Text Block] Entity Address, State or Province Entity Address, State or Province Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Antidilutive Security, Excluded EPS Calculation [Table] Total current liabilities Liabilities, Current Operating Leased Assets [Line Items] Operating Leased Assets [Line Items] Issuance of common stock upon vesting of restricted stock units (in shares) Stock Issued During Period, Shares, Restricted Stock Award, Gross Individual: Individual [Axis] Research and development employee expenses Research And Development, Employee Expenses [Member] Research And Development, Employee Expenses Research and development Research and Development Expense [Member] Net cash used in investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Estimated probability of success Probability Of Success [Member] Probability Of Success Document Fiscal Year Focus Document Fiscal Year Focus Research and Development Arrangement, Contract to Perform for Others, Type [Axis] Research and Development Arrangement, Contract to Perform for Others, Type [Axis] Right-of-use assets, net Operating Lease, Right-of-Use Asset Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Depreciation and amortization Other Depreciation and Amortization Entity Interactive Data Current Entity Interactive Data Current 2016 Plan, 2018 Inducement Incentive Award Plan and Old Cartesian Plan 2016 Plan, 2018 Inducement Incentive Award Plan and Old Cartesian Plan [Member] 2016 Plan, 2018 Inducement Incentive Award Plan and Old Cartesian Plan Operating lease cost Operating Lease, Cost Government Assistance, Type [Axis] Government Assistance, Type [Axis] Cash flows from operating activities Cash Provided by (Used in) Operating Activity, Continuing Operation [Abstract] Plan Name [Domain] Plan Name [Domain] Weighted average period Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Issuance of common stock upon exercise of options (in shares) Exercised (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period Equity [Abstract] Equity [Abstract] Fair value, measurement with unobservable inputs reconciliation, recurring basis, liability, transfers, net Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Transfers, Net Schedule of Restricted Stock Units Activity Disclosure of Share-Based Compensation Arrangements by Share-Based Payment Award [Table Text Block] Segment Reporting Segment Reporting Disclosure [Text Block] Warrants issued (in shares) Class of Warrant Or Right, Outstanding, Warrants Issued Class of Warrant Or Right, Outstanding, Warrants Issued Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Long-Lived Tangible Asset [Axis] Long-Lived Tangible Asset [Axis] Class of Warrant or Right [Table] Class of Warrant or Right [Table] Increase (Decrease) in Stockholders' Equity Increase (Decrease) in Stockholders' Equity [Roll Forward] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Estimated forfeitures rate Share-based Compensation Arrangement By Share-based Payment Award Forfeitures Rate Represents the percentage of forfeitures rate of the stock options based on the historical trends. Expected volatility Measurement Input, Price Volatility [Member] Entity Central Index Key Entity Central Index Key PEO Name PEO Name Total revenues Revenues Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Beginning balance Ending balance Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value Valuation technique, option pricing model Valuation Technique, Option Pricing Model [Member] Arrangement Duration Trading Arrangement Duration Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Computer equipment and software Computer Equipment [Member] Segments [Axis] Segments [Axis] Weighted average exercise price (in dollars per share) Class of Warrant or Right, Exercise Price of Warrants or Rights Prepaid expenses and other assets Increase (Decrease) in Prepaid Expense and Other Assets Exercise Price Award Exercise Price Fair Value by Liability Class [Domain] Fair Value by Liability Class [Domain] Entity Filer Category Entity Filer Category Class of Stock [Domain] Class of Stock [Domain] Local Phone Number Local Phone Number Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Collaborative Arrangement and Arrangement Other than Collaborative [Domain] Collaborative Arrangement and Arrangement Other than Collaborative [Domain] Unrecognized compensation expense Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount Stock Incentive Plans Share-Based Payment Arrangement [Text Block] Assets Assets [Abstract] Vested Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Vested, Outstanding, Intrinsic Value Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Vested, Outstanding, Intrinsic Value Underlying Security Market Price Change Underlying Security Market Price Change, Percent Class of Warrant or Right [Domain] Class of Warrant or Right [Domain] Forfeited (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Fair Value Measurements Fair Value Disclosures [Text Block] Business Combination [Line Items] Business Combination [Line Items] (Loss) gain on change in fair value of contingent value right liability Loss (gain) on change in fair value of CVR liability Fair Value Adjustment Of Contingent Value Right Liability Fair Value Adjustment Of Contingent Value Right Liability Stockholders’ deficit: Equity, Attributable to Parent [Abstract] Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Entity Address, Address Line One Entity Address, Address Line One Research and development Research and Development Expense Accumulated other comprehensive loss AOCI Attributable to Parent [Member] Accrued expenses and other liabilities Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities Lease liabilities, net of current portion Operating Lease, Liability, Noncurrent Frederick Lease Agreement Frederick Lease Agreement [Member] Frederick Lease Agreement Schedule of Authorized Shares of Common Stock for Future Issuance Schedule of Stock by Class [Table Text Block] Descartes-08 for MG Descartes-08 For MG [Member] Descartes-08 For MG Fair Value as of Grant Date Award Grant Date Fair Value Property, Plant and Equipment [Abstract] Property, Plant and Equipment [Abstract] Entity Registrant Name Entity Registrant Name Warrants cancelled (in shares) Class of Warrant Or Right, Outstanding, Warrants Cancelled Class of Warrant Or Right, Outstanding, Warrants Cancelled Unvested restricted stock units Restricted Stock Units, Unvested [Member] Restricted Stock Units, Unvested Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Cash, cash equivalents, restricted cash and marketable securities Cash, Cash Equivalents, Restricted Cash And Restricted Cash Equivalents And Debt Securities, Available-For-Sale Cash, Cash Equivalents, Restricted Cash And Restricted Cash Equivalents And Debt Securities, Available-For-Sale Weighted-average exercise price Class Of Warrant Or Right Weighted Average Exercise Price [Roll Forward] Class Of Warrant Or Right Weighted Average Exercise Price Weighted-average Remaining Contractual Term (in years) Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term [Abstract] n/a Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Contingent value right liability, measurement input Contingent Value Right Liability, Measurement Input Contingent Value Right Liability, Measurement Input Document Quarterly Report Document Quarterly Report Total assets Assets, Fair Value Disclosure Accrued professional and consulting services Accrued Audit Fees, Current Accrued Audit Fees, Current Schedule of Fair Value Measurement Inputs and Valuation Techniques for 2022 Warrants Liability and CVR Liability Fair Value Measurement Inputs and Valuation Techniques [Table Text Block] Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Counterparty Name [Domain] Counterparty Name [Domain] Number of operating segments Number of Operating Segments 2028 Lessee, Operating Lease, Liability, to be Paid, Year Two Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Outstanding, term Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Granted (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Number of Warrants Class Of Warrant Or Right [Roll Forward] Class Of Warrant Or Right Title Trading Arrangement, Individual Title Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Collaborative Arrangement and Arrangement Other than Collaborative [Axis] Collaborative Arrangement and Arrangement Other than Collaborative [Axis] Restatement Determination Date: Restatement Determination Date [Axis] Non-PEO NEO Non-PEO NEO [Member] Outstanding Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value Sale of Stock [Axis] Sale of Stock [Axis] Name Trading Arrangement, Individual Name Award Type [Domain] Award Type [Domain] 2027 Lessee, Operating Lease, Liability, to be Paid, Year One Equity Awards Adjustments Equity Awards Adjustments [Member] Leasehold improvements Leasehold Improvements [Member] Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Warrants and rights outstanding, measurement input Warrants and Rights Outstanding, Measurement Input Compensation Amount Outstanding Recovery Compensation Amount Dividend yield Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Revenue recognized Contract with Customer, Liability, Revenue Recognized CVR Liability Contingent Value Right [Member] Contingent Value Right Preferred stock Preferred Stock [Member] MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Name Awards Close in Time to MNPI Disclosures, Individual Name Accrued Expenses Accounts Payable, Accrued Liabilities, and Other Liabilities Disclosure, Current [Text Block] Contingent value right liability Contingent Value Right Liability, Noncurrent Contingent Value Right Liability, Noncurrent Operating Segment Operating Segment [Member] Operating Segment Unvested at beginning of period (in dollars per share) Unvested at end of period (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Revenue: Revenues [Abstract] Descartes-08 for dermatomyositis Descartes-08 For Dermatomyositis [Member] Descartes-08 For Dermatomyositis Stock-based compensation expense APIC, Share-Based Payment Arrangement, Increase for Cost Recognition In Process Research and Development In Process Research and Development [Member] Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Vested and expected to vest Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value Liability Class [Axis] Liability Class [Axis] Segments [Domain] Segments [Domain] Income Statement Location [Axis] Statement of Income Location, Balance [Axis] Schedule of Cash and Cash Equivalents [Table] Cash and Cash Equivalent [Table] Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Minimum Minimum [Member] Less: Accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Operating expenses: Cost of Revenue [Abstract] Company Selected Measure Name Company Selected Measure Name Preferred stock, value, issued Preferred Stock, Value, Issued Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Accounts payable Accounts Payable, Current Cash paid for amounts included in the measurement of lease liabilities: Operating Lease, Payments Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] All Executive Categories All Executive Categories [Member] Common stock, $0.0001 par value; 350,000,000 shares authorized as of March 31, 2026 and December 31, 2025; 28,544,728 and 26,011,106 shares issued and outstanding as of March 31, 2026 and December 31, 2025, respectively Common Stock, Value, Issued Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Diluted (in shares) Weighted-average common shares outstanding - diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Commitments and contingencies (Note 14) Commitments and Contingencies Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Collaboration and licensing Accrued Collaboration and Licensing Accrued Collaboration and Licensing Business Combination [Axis] Business Combination [Axis] Entity Smaller Reporting Company Entity Small Business Equity offering costs Payments of Stock Issuance Costs Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Preferred stock, shares outstanding (in shares) Preferred stock, beginning balance (in shares) Preferred stock, ending balance (in shares) Preferred Stock, Shares Outstanding Document Transition Report Document Transition Report Numerator: Net Income (Loss) Available to Common Stockholders, Basic [Abstract] Underlying Securities Award Underlying Securities Amount Equity Component [Domain] Equity Component [Domain] Document Period End Date Document Period End Date Aggregate annual base rent Lessee, Operating Lease, Annual Base Rent Lessee, Operating Lease, Annual Base Rent PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Cash and Cash Equivalents [Domain] Cash and Cash Equivalents [Domain] Income Taxes Income Tax Disclosure [Text Block] Number of reportable segments not disclosed flag Number Of Reportable Segments Not Disclosed Flag Number Of Reportable Segments Not Disclosed Flag Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Lease Arrangement [Axis] Lease Arrangement [Axis] Lease Arrangement [Axis] Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Short-term lease cost Short-Term Lease, Cost Expected volatility of future revenues Measurement Input, Revenue Volatility [Member] Measurement Input, Revenue Volatility Document Type Document Type Level 3 Fair Value, Inputs, Level 3 [Member] Net Loss Per Share Allocable to Common Stockholders Earnings Per Share [Text Block] Name Outstanding Recovery, Individual Name Additional paid-in capital Additional Paid in Capital Product and Service [Axis] Product and Service [Axis] Office equipment Office Equipment [Member] Proceeds from at the market offering, net of commissions and expenses Net proceeds from issuance of common stock- at-the-market offering Proceeds from Issuance of Common Stock Variable lease cost Variable Lease, Cost Collaboration and license Collaboration and license revenue Revenue from Contract with Customer, Excluding Assessed Tax Fair value, measurement with unobservable inputs reconciliation, recurring basis, asset, transfers, net Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net All Individuals All Individuals [Member] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Purchases of property and equipment Payments to Acquire Property, Plant, and Equipment Vested and expected to vest (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number Name Forgone Recovery, Individual Name Award expiration term Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period Total current assets Assets, Current Statistical Measurement [Axis] Statistical Measurement [Axis] Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] Long-term prepaid expenses and other assets Prepaid Expense and Other Assets, Noncurrent Fair Value Measurement Inputs and Valuation Techniques [Line Items] Fair Value Measurement Inputs and Valuation Techniques [Line Items] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Government assistance, asset, current Government Assistance, Asset, Current Current liabilities: Liabilities, Current [Abstract] Total operating expenses Operating Expenses Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Level 1 Fair Value, Inputs, Level 1 [Member] Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] Diluted (in dollars per share) Earnings Per Share, Diluted Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Accounts receivable Accounts Receivable, after Allowance for Credit Loss, Current Title of 12(b) Security Title of 12(b) Security Convertible preferred stock, common stock issuable upon conversion (in shares) Preferred Stock, Convertible, Shares Issuable Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Sale of stock, number of shares issued in transaction (in shares) Sale of Stock, Number of Shares Issued in Transaction Government assistance, award amount Government Assistance, Award Amount Net loss per share allocable to common stockholders: Earnings Per Share [Abstract] 2022 Warrants 2022 Warrants [Member] 2022 Warrants Total other (expense) income, net Nonoperating Income (Expense) Employment Inducement Incentive Award Plan Employment Inducement Incentive Award Plan [Member] Employment Inducement Incentive Award Plan [Member] Schedule of Potential Dilutive Shares of Common Stock Excluded from the Computation of the Diluted Net Loss Per Share Allocable to Common Stockholders Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Government Assistance, Type [Domain] Government Assistance, Type [Domain] Less: Imputed interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount Cash and Cash Equivalents [Line Items] Cash and Cash Equivalents [Line Items] Exercised (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Collaborative Arrangement and Arrangement Other than Collaborative [Table] Collaborative Arrangement and Arrangement Other than Collaborative [Table] Award Timing Disclosures [Line Items] Granted (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Payroll and employee related expenses Employee-related Liabilities, Current Property and Equipment Property, Plant and Equipment Disclosure [Text Block] Total future minimum lease payments Lessee, Operating Lease, Liability, to be Paid Equity Equity [Text Block] Net loss Net loss Net loss Net Income (Loss) Attributable to Parent Expiration Date Trading Arrangement Expiration Date Construction in process Construction in Progress [Member] Other Other Accrued Liabilities, Current Award vesting term Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period Property and equipment, net Property and equipment, net Property, Plant and Equipment, Net Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Grant Grant revenue Revenue Not from Contract with Customer Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized Adoption Date Trading Arrangement Adoption Date Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Accounts receivable Increase (Decrease) in Accounts Receivable Contingent value right, percentage of milestone payments, royalties and other amounts to be distributed Contingent Value Right, Percentage Of Milestone Payments, Royalties And Other Amounts To Be Distributed Contingent Value Right, Percentage Of Milestone Payments, Royalties And Other Amounts To Be Distributed Series A Preferred Stock Series A Preferred Stock [Member] Entity Current Reporting Status Entity Current Reporting Status Expected life (in years) Measurement Input, Expected Term [Member] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Cash flows from financing activities Cash Provided by (Used in) Financing Activity, Continuing Operation [Abstract] Operating loss Operating Income (Loss) Accumulated deficit Retained Earnings (Accumulated Deficit) Schedule of Stock-Based Compensation Expense Share-Based Payment Arrangement, Cost by Plan [Table Text Block] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Executive Category: Executive Category [Axis] Accrued patent fees Accrued Patent Fees Current Carrying value as of the balance sheet date of patent fees. Laboratory equipment Laboratory Equipment [Member] Represents information pertaining to laboratory equipment. Class of Stock [Axis] Class of Stock [Axis] Current Fiscal Year End Date Current Fiscal Year End Date Expected term (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term Impairment to goodwill Impairment of Intangible Assets, Finite-Lived Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] Future contingent additional payments Revenue, Remaining Performance Obligation, Variable Consideration Amount Revenue, Remaining Performance Obligation, Variable Consideration Amount Payables and Accruals [Abstract] Payables and Accruals [Abstract] Weighted-average Grant Date Fair Value ($) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Number of shares authorized for grants (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant Other expense, net Other Nonoperating Income (Expense) Statement [Table] Statement [Table] Adjustments to reconcile net loss to net cash used in operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Weighted average grant date fair value of stock options (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Risk-free interest rate Measurement Input, Risk Free Interest Rate [Member] Contract liability Contract with Customer, Liability Schedule of Assets and Liabilities Measured at Fair Value on a Recurring Basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Description of the Business Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Aggregate amount of upfront and milestone-based payments Aggregate Amount Of Upfront And Milestone Based Payments Paid Aggregate Amount Of Upfront And Milestone Based Payments Paid Total (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Weighted-average common shares outstanding: Denominator: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] All Adjustments to Compensation All Adjustments to Compensation [Member] Amendment Flag Amendment Flag Early stage programs Early Stage Programs [Member] Early Stage Programs Old Cartestian Old Cartestian [Member] Old Cartestian Leases Lessee, Operating Leases [Text Block] Termination Date Trading Arrangement Termination Date Net cash provided by (used in) financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Measure: Measure [Axis] Valuation Approach and Technique [Axis] Valuation Approach and Technique [Axis] Weighted-average discount rate Operating Lease, Weighted Average Discount Rate, Percent Schedule of Options Activity Share-Based Payment Arrangement, Option, Activity [Table Text Block] Schedule of Warrant Activity Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block] Long-Lived Tangible Asset [Domain] Long-Lived Tangible Asset [Domain] Basic (in shares) Weighted-average common shares outstanding - basic (in shares) Weighted Average Number of Shares Outstanding, Basic Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table] Warrant liability Warrants and Rights Outstanding Schedule of Computation of Basic and Diluted Net Loss Per Share Allocable to Common Stockholders Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Long-term restricted cash Long-term restricted cash Restricted Cash and Cash Equivalent, Noncurrent Accrued research and development costs Accrued Research And Development Costs Current Carrying value as of the balance sheet date of research and development costs. Subsequent Events [Abstract] Subsequent Events [Abstract] Segment Reporting [Abstract] Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Vested (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested, Number of Shares At-The-Market Offering At-The-Market Offering [Member] At-The-Market Offering [Member] Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Risk-free interest rate Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Other (expense) income: Nonoperating Income (Expense) [Abstract] Entity Tax Identification Number Entity Tax Identification Number Aggregate maximum gross sales proceeds Sale Of Stock, Aggregate Maximum Gross Sales Proceeds Sale Of Stock, Aggregate Maximum Gross Sales Proceeds Government Assistance Current Statement Of Financial Position Extensible Enumeration Not Disclosed Flag Government Assistance Current Statement Of Financial Position Extensible Enumeration Not Disclosed Flag Government Assistance Current Statement Of Financial Position Extensible Enumeration Not Disclosed Flag Beginning balance (in dollars per share) Ending balance (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Common stock, shares issued (in shares) Common Stock, Shares, Issued Weighted-average remaining lease term Operating Lease, Weighted Average Remaining Lease Term Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross Goodwill and Intangible Assets Goodwill and Indefinite-Lived Intangible Assets Goodwill and Intangible Assets Disclosure [Text Block] Trading Arrangement: Trading Arrangement [Axis] Total Shareholder Return Amount Total Shareholder Return Amount Change in fair value Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings Subsequent Events Subsequent Events [Text Block] Foreign currency translation adjustment Currency translation adjustment Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Insider Trading Arrangements [Line Items] Security Exchange Name Security Exchange Name Forfeited (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Total liabilities Liabilities Cash and Cash Equivalents [Axis] Cash and Cash Equivalents [Axis] Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Biogen M.A., Inc. Biogen M.A., Inc. [Member] Biogen M.A., Inc. Purchase of property and equipment not yet paid Capital Expenditures Incurred but Not yet Paid Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Operating expenses: Operating Expenses [Abstract] Indefinite-Lived Intangible Assets, Major Class Name [Domain] Indefinite-Lived Intangible Assets, Major Class Name [Domain] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Equity offering costs in accrued liabilities Equity Offering Costs In Accrued Liabilities Equity Offering Costs In Accrued Liabilities Issuance of common stock through at the market offering, net of commissions and expenses Stock Issued During Period, Value, New Issues Statement [Line Items] Statement [Line Items] Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Cash and cash equivalents Cash and cash equivalents Cash and Cash Equivalent Fair Value Measurement Inputs and Valuation Techniques [Table] Fair Value Measurement Inputs and Valuation Techniques [Table] Counterparty Name [Axis] Counterparty Name [Axis] Aggregate Intrinsic Value Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Outstanding, Intrinsic Value [Abstract] n/a Common stock Common Stock [Member] Vested (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Non-NEOs Non-NEOs [Member] Net change in cash, cash equivalents, and restricted cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Research and Development Arrangement, Contract to Perform for Others, Type [Domain] Research and Development Arrangement, Contract to Perform for Others, Type [Domain]