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General and administrative expenses related to accelerated vesting options Aggregate Amount To Pay Upon Achievement Of Certain Partnership Milestones Aggregate amount to pay upon achievement of certain partnership milestones. Aggregate amount to pay upon achievement of certain partnership milestones Operating Lease, Right-of-Use Asset, Periodic Reduction Non-cash lease expense Vesting Period Four Share Based Compensation Award Tranche Four [Member] Share based compensation award tranche four. Commitments and Contingencies Commitments and contingencies (Note 7) Weighted Average Number of Shares Outstanding, Diluted, Total Weighted Average Number of Shares Outstanding, Diluted Weighted-average shares outstanding, diluted Defined Contribution Plan, Employers Matching Contribution, Annual Vesting Percentage Company's matching contributions vesting percentage APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Stock-based compensation expense APIC, Share-based Payment Arrangement, Increase for Cost Recognition, Total Lessee, Operating Lease, Term of Contract Operating leases initial term Minimum [Member] Minimum Vesting of restricted stock shares, shares Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures, Total Private Placement [Member] Private Placement Two thousand twenty one employee stock purchase plan. 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Class Of Warrant Or Right Outstanding And Exercisable Weighted Average Remaining Contractual Term Weighted-Average Remaining Contractual Term Outstanding and Exercisable Warrants to purchase common stock shares Class of Warrant or Right, Number of Securities Called by Warrants or Rights Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 Fair value, transfer of assets out of level 3 Remaining Unconverted shares Remaining Unconverted shares. Debt Securities, Available-for-Sale, Amortized Cost Amortized Cost Number of Stock Options, Expired Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Expirations in Period Number of Stock Options, Expired Lessee, Operating Lease, Liability, Undiscounted Excess Amount Less amount representing interest Less: imputed interest Property, Plant, and Equipment [Text Block] PROPERTY AND EQUIPMENT, NET Percentage Owned Prior to the Acquisition Percentage owned prior to the acquisition. Percentage owned prior to the acquisition General and Administrative Expense General and Administrative Expense, Total General and administrative expenses Income Statement [Abstract] Restricted Stock Units, Forfeited Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Accounting Standards Update and Change in Accounting Principle [Table] New Accounting Pronouncements Or Change In Accounting Principle [Table] Lease, Cost [Table Text Block] Summary of Lease Costs Recognized under ASC 842 Pertaining to Finance and Operating Leases Accrued Restructuring Compensation Accrued restructuring compensation. Accrued restructuring - compensation (Note 16) Vesting [Axis] Payment fro annual fees Payment for annual fees. Payment For Annual Fees Earnings Per Share, Basic Earnings Per Share, Basic, Total Net loss per share-basic Net loss per common share, basic Document Period End Date Document Period End Date Fair value of the Assumed Options that relates to the pre-combination service period Stock Issued During Period Value Fair Value of the Assumed Options That Relates to the Pre-combination Service Period Stock issued during period value fair value of the assumed options that relates to the pre-combination service period. Document Information [Table] Finance Lease, Interest Expense Interest on finance lease Interest on finance lease liabilities Series B Redeemable Convertible Preferred Stock [Member] Series B Redeemable Convertible Preferred Stock Series B Redeemable Convertible Preferred Stock Series B Preferred Stock Series B Preferred Stock [Member] Employee stock purchase plan expense. Employee Stock Purchase Plan Expense Employee stock purchase plan proceeds Payments to Acquire Property, Plant, and Equipment Purchases of property and equipment Payments to Acquire Property, Plant, and Equipment, Total Weighted-Average Exercise Price, Granted Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Common Stock, Shares Authorized Common stock, shares authorized Statement of Stockholders' Equity [Abstract] Finance Lease, Right-of-Use Asset, after Accumulated Amortization, Total Finance Lease, Right-of-Use Asset, after Accumulated Amortization Right of use assets - financing leases, net Right-of-use assets, net Lessee, Operating Lease, Liability, to be Paid, Fiscal Year Maturity [Abstract] Operating Warrants and Rights Outstanding, Measurement Input Warrants measurement input Temporary Equity Disclosure [Abstract] Other Comprehensive Income (Loss), Net of Tax Total other comprehensive (loss) income Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value Aggregate Intrinsic Value, Outstanding Share-Based Compensation Arrangement by Share-Based Payment Award, Purchase Price of Common Stock, Percent Purchase price of fair value common stock, percent Assets Total assets Title of 12(b) Security Title of 12(b) Security Summary of Estimated Fair Value of Consideration Transferred Business Combination, Consideration Transferred, Equity Interest [Table Text Block] Goodwill Goodwill, Ending Balance Goodwill, Beginning Balance Goodwill, Total Preferred Stock, Value, Issued Preferred stock, $0.0001 par value and 10,000,000 shares authorized as of June 30, 2026 and December 31, 2025; zero shares issued and outstanding as of June 30, 2026 and December 31, 2025, respectively Other Other Restructuring [Member] Payments for Repurchase of Common Stock Purchase transaction cost Payments for repurchase of common stock Research and development expenses related to accelerated vesting options Research And Development Expenses Related To Accelerated Vesting Options Research and development expenses related to accelerated vesting options. Restricted Stock Units, Unvested balance Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Restricted Stock Units, Unvested balance Restricted Stock Units, Unvested balance Stock Issued During Period, Value, Stock Options Exercised Exercise of options into common stock Stock options exercised No Trading Symbol Flag Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] Summary of Stock-Based Compensation Expense Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross Options available for grant Number of Stock Options, Granted Operating Lease, Payments Operating cash outflows for operating leases Antidilutive Securities, Name [Domain] Antidilutive Securities, Name Stockholders' Equity Note, Stock Split, Conversion Ratio Reverse stock split ratio Preferred stock convertible conversion price per share Preferred Stock, Convertible, Conversion Price Liabilities, Fair Value Disclosure [Abstract] Liabilities: Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year 2026 (Remainder of 2026) Sale Leaseback Transaction [Table] Sale Leaseback Transaction [Table] Subsidiary or Equity Method Investee, Sale of Stock, Type [Table] Lessee, Operating Lease, Liability, to be Paid, Year One 2027 Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted-Average Remaining Contractual Term Weighted-Average Remaining Contractual Term, Outstanding balance Other current assets Business Combination, Recognized Asset Acquired, Other Asset, Current Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] Fair value liabilities level two to level one transfers amount. Fair Value Liabilities Level Two To Level One Transfers Amount Fair value, transfer of liabilities from level 2 to level 1 Fair Value of Assets Acquired Fair value of Series B redeemable convertible preferred stock issued for the acquisition of Faeth Therapeutics Equity, Attributable to Parent Ending balance Beginning balance Total stockholders' equity Takeda Agreement [Member] Takeda agreement. Takeda Agreement Disclosure of accounting policy for unaudited interim financial information. Unaudited Interim Financial Information Policy [Text Block] Unaudited Interim Financial Information Entity Address, Address Line Two Entity Address, Address Line Two Other Assets, Noncurrent, Total Other Assets, Noncurrent Other non-current assets Collaborative Arrangement and Arrangement Other than Collaborative [Domain] Income Tax Disclosure [Text Block] INCOME TAXES Earnings Per Share [Text Block] NET LOSS PER SHARE Number of common stock warrants exercised. Number Of Common Stock Warrants Exercised Number of Common Stock Warrants, Exercised Number of Common Stock Warrants, Exercised Non-Rule 10b5-1 Arr Modified [Flag] Non-rule 10b5-1 Arr modified. Non-Rule 10b5-1 Arrangement Modified Finance Lease, Liability, Undiscounted Excess Amount Less amount representing interest Less: imputed interest Share-Based Compensation Arrangement by Share-Based Payment Award, Accelerated Vesting, Number Accelerated vesting options Stock, Class of Stock [Table] Schedule Of Stock By Class [Table] Temporary Equity, Par or Stated Value Per Share Redeemable convertible preferred stock, par value Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax Unrealized Gains Series B Non-Voting Convertible Preferred Stock [Member] Series B Non-Voting Convertible Preferred Stock Series B Non-Voting Convertible Preferred Stock Disclosure of accounting policy for basis of presentation and principles of consolidation. Basis Of Presentation And Principles Of Consolidation Policy [Text Block] Basis of Presentation and Principles of Consolidation Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Weighted-Average Grant Date Fair Value, Vested Proceeds from Stock Options Exercised Exercise of options into common stock Faeth Therapeutics [Member] Faeth Therapeutics. Faeth Therapeutics Statistical Measurement [Axis] Statistical Measurement Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] Comprehensive loss: Money Market Funds [Member] Money Market Funds Entity Interactive Data Current Entity Interactive Data Current Issuance of Series B redeemable convertible preferred stock in connection with the acquisition of Faeth Therapeutics, shares Temporary Equity Stock Issued During Period Share Acquisitions Temporary equity stock issued during period share acquisitions. Grant date fair value of options vested Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested in Period, Fair Value Total fair value of options vested Issuance of Series B redeemable convertible preferred stock in connection with private placement, net of issuance costs Temporary Equity, Stock Issued During Period, Value, New Issues Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Maximum Volatility, Maximum Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items] Leasehold Improvement [Member] Leasehold improvement. Leasehold Improvement In Process Research and Development, Policy [Policy Text Block] Acquired In-Process Research and Development Expense Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term Weighted-Average Remaining Contractual Term, Vested or expected to vest Common Stock, Value, Issued Common Stock, Value, Issued, Total Common Stock, Value, Issued, Beginning Balance Common Stock, Value, Issued, Ending Balance Common stock, $0.0001 par value; 300,000,000 shares authorized as of June 30, 2026 and 12,500,000 shares authorized as of December 31, 2025; 25,832,969 and 1,261,685 shares issued and outstanding as of June 30, 2026 and December 31, 2025, respectively Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Schedule of Basic and Diluted Net Loss Per Share US Government Agencies Debt Securities [Member] U.S. Government Agencies Two Thousdand Twenty Five Restructuring [Member] Two thousdand twenty five restructuring. 2025 Restructuring Property and Equipment Property, Plant, and Equipment [Policy Text Block] Proceeds from sale of property and equipment Proceeds from Sale of Property, Plant, and Equipment Proceeds from Sale of Property, Plant, and Equipment, Total Liabilities Total liabilities Cash, cash equivalents, and marketable securities. Cash Cash Equivalents and Marketable Securities Cash, cash equivalents and marketable securities Property and equipment, net Business Combination, Recognized Asset Acquired, Property, Plant, and Equipment Business Combination, Recognized Asset Acquired, Property, Plant, and Equipment, Total Vesting Period Two Share-Based Payment Arrangement, Tranche Two [Member] Business Combination [Text Block] ACQUISITION OF FAETH AND PIPE ISSUANCE Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Schedule of Financial Assets and Liabilities Measured at Fair Value on Recurring Basis Retained Earnings (Accumulated Deficit) Accumulated deficit Retained Earnings (Accumulated Deficit), Total Retained Earnings (Accumulated Deficit), Beginning Balance Retained Earnings (Accumulated Deficit), Ending Balance Conversion of Series B redeemable convertible preferred stock into common shares Conversion Of Redeemable Convertible Preferred Stock Into Common Stock Shares Conversion of redeemable convertible preferred stock into common stock shares. Fair Value, Inputs, Level 3 [Member] Level 3 Two Thousand Twenty Six Inducement Plan [Member] Two thousand twenty six inducement plan. 2026 Inducement Plan Class of warrant or right exercise price of warrants or rights outstanding and exercisable. Class Of Warrant Or Right Exercise Price Of Warrants Or Rights Outstanding And Exercisable Weighted-Average Exercise Price Outstanding and Exercisable, Ending Balance Weighted-Average Exercise Price Outstanding and Exercisable, Beginning Balance Cash and Cash Equivalents, Fair Value Disclosure Cash equivalents fair value disclosure Acquired in-process research and development Acquired In-process Research And Development Acquired in-process research and development. Operating Expenses Total operating expenses Conversion of Stock, Shares Issued Conversion of preferred stock, shares issued The amount of increase decrease in operating lease liabilities. Increase Decrease In Operating Lease Liabilities Operating lease liabilities Other operating lease information. Other Operating Lease Information [Abstract] Other Operating Lease Information: Vesting [Domain] Business Acquisition Fair Value Of Assumed Options Business acquisition fair value of assumed options. Fair value of assumed options Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] ORGANIZATION AND OPERATIONS Fair Value Measurement Inputs and Valuation Techniques [Table] Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Changes in operating assets and liabilities: Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block] Summary of Common Stock Warrant Activity Estimated Useful Lives of Property and Equipment Summary of Estimated Useful Lives of Property and Equipment Property and equipment estimated useful lives. Property And Equipment Estimated Useful Lives Table [Text Block] Vesting period Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period Stock Issued During Period, Shares, New Issues Shares issued Increase (Decrease) in Prepaid Expense Prepaid expenses Conversion of Series B redeemable convertible preferred stock into common shares, amount Temporary Equity Stock Conversion Of Redeemable Convertible Preferred Stock Into Common Shares Amount Temporary equity stock conversion of redeemable convertible preferred stock into common shares amount. Lease, Cost [Abstract] Lease Cost: Proceeds from the Sale of Financing Lease Assets Proceeds from the sale of financing lease assets. Proceeds from the sale of financing lease assets Class of Warrant or Right, Outstanding Number of Common Stock Warrants Outstanding, Ending Balance Number of Common Stock Warrants Outstanding, Beginning Balance Two Thousand Twenty Six Equity Incentive Plan [Member] Two thousand twenty six equity incentive plan. 2026 Equity Incentive Plan Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Maximum Risk-free interest rate, Maximum Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Beginning Balance Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Ending Balance Property, Plant, and Equipment, Accumulated Depreciation, Depletion, and Amortization Less accumulated depreciation and amortization Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Total Accumulated depreciation and amortization Operating Lease, Cost Operating lease cost Long-Lived Asset, Class [Axis] Long-Lived Tangible Asset Cash-in-lieu of fractional shares for reverse stock split Stock Issued During Period Value Reverse Stock Splits Stock issued during period value reverse stock splits. Class of warrant or right outstanding and exercisable aggregate intrinsic value. Class Of Warrant Or Right Outstanding And Exercisable Aggregate Intrinsic Value Aggregate Intrinsic Value Outstanding and Exercisable Aggregate Intrinsic Value Outstanding and Exercisable Number of common stock warrants expired. Number Of Common Stock Warrants Expired Number of Common Stock Warrants, Expired Number of Common Stock Warrants, Expired Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3 Fair value, transfer of assets into level 3 Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate Volatility Available for sale securities contractual maturity term. Available for Sale Securities Contractual Maturity Term Marketable securities remaining maturity term Fair Value, Measurement with Unobservable Inputs Reconciliation, Liability, Transfers Into Level 3 Fair value, transfer of liabilities into level 3 Defined Benefit Plan [Table] Schedule Of Defined Benefit Plans Disclosures [Table] Assets, Fair Value Disclosure [Abstract] Assets: Property, Plant, and Equipment [Line Items] Property Plant And Equipment [Line Items] Number of common stock warrants granted. Number Of Common Stock Warrants Granted Number of Common Stock Warrants, Granted Common stock purchased by warrants granted Authorized But Unissued Shares Of Preferred Stock Authorized but unissued shares of preferred stock. Authorized but unissued shares of preferred stock Issuance costs from the private placement issuance of Series B redeemable convertible preferred stock Payments of Stock Issuance Costs Issuance costs from the private placement issuance of Series B redeemable convertible preferred stock Fair value liabilities level one to level two transfers amount. Fair Value Liabilities Level One To Level Two Transfers Amount Fair value, transfer of liabilities, from level 1 to level 2 Operating Lease, Liability, Current Operating lease liabilities, current Right-of-use lease liabilities, current Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Weighted-Average Grant Date Fair Value, Unvested balance Weighted-Average Grant Date Fair Value, Unvested balance Millennium Agreement [Member] Millennium Agreement. 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Cancer Research Technology Agreement Property, Plant, and Equipment [Table] Schedule Of Property Plant And Equipment [Table] Payments to Acquire Businesses, Net of Cash Acquired Payments to Acquire Businesses, Net of Cash Acquired, Total Net cash assumed in the acquisition of Faeth Therapeutics Letters of credit outstanding amount Letters of credit outstanding Letters of Credit Outstanding, Amount Sale of Stock [Axis] Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Net increase in cash and cash equivalents Entity Current Reporting Status Entity Current Reporting Status Use of Estimates, Policy [Policy Text Block] Use of Estimates Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Current Liabilities Accounts Payable And Accrued Liabilities Business combination recognized identifiable assets acquired and liabilities assumed current liabilities accounts payable and accrued liabilities. 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Available For Sale Securities Unrealized Loss Position Contractual Maturity Term Marketable securities unrealized loss position, maturity term Plan Name [Domain] Plan Name Other Liabilities, Noncurrent Other non-current liabilities Other Liabilities, Noncurrent, Total Share-Based Payment Arrangement, Tranche One [Member] Vesting Period One Finance Lease, Liability Present value of minimum capital lease obligations Total lease liabilities Total financing lease liabilities Stock Issued During Period, Shares, Employee Stock Purchase Plans Employee stock purchase plan expense, Shares Number of shares issued Business Combination [Table] Measurement Input, Price Volatility [Member] Expected Equity Volatility Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period, Intrinsic Value Aggregate intrinsic value of stock options exercised Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Supplemental disclosure of noncash financing information: Cover [Abstract] Rule 10b5-1 Arr Modified [Flag] Rule 10b5-1 Arr Modified [Flag] Rule 10b5-1 Arrangement Modified New Accounting Pronouncements or Change in Accounting Principle [Line Items] New Accounting Pronouncements Or Change In Accounting Principle [Line Items] Share Based Compensation Arrangement By Share Based Payment Exercise Price Per Share Share ased compensation arrangement by share based payment exercise price per share. Exercise price per share Fair Value Measurement Inputs and Valuation Techniques [Table Text Block] Schedule of Fair Value Using the Black-Scholes Method Marketable Securities [Table] Marketable Securities [Table] Operating Lease, Weighted Average Remaining Lease Term Operating leases Share-Based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block] Summary of Restricted Stock Unit Activity License Agreement [Member] License agreement. License Agreement Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated Other Comprehensive Income (Loss), Net of Tax, Total Accumulated other comprehensive (loss) income Estimated useful life (in years) Property, Plant, and Equipment, Useful Life Share-Based Payment Arrangement, Noncash Expense Stock-based compensation expense Share-based Payment Arrangement, Noncash Expense, Total Schedule of Aggregate Fair Values of Preferred Stock Warrant Liability Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Proceeds from Maturities, Prepayments and Calls of Short-Term Investments Maturities of short-term investments Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Adjustments to reconcile net loss to net cash used in operating activities: Faeth HoldCo Faeth HoldCo [Member] Faeth HoldCo. Fair Value Disclosures [Abstract] Cash and Cash Equivalent Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value, Total Cash and Cash Equivalents, at Carrying Value, Beginning Balance Cash and Cash Equivalents, at Carrying Value, Ending Balance Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Net cash provided by (used in) financing activities Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value Balance as of March 31, 2026 Balance as of February 17, 2026 Deferred Tax Expense from Stock Options Exercised Tax liabilities of exercise options Schedule of maturities of operating and finance leases liabilities. Schedule Of Maturities Of Operating And Finance Leases Liabilities [Table Text Block] Summary of Maturity of Operating and Finance Lease Liabilities Payables and Accruals [Abstract] Net Income (Loss) Available to Common Stockholders, Basic Net loss attributable to common stockholders Net loss Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures in Period Number of Stock Options, Forfeited Entity Filer Category Entity Filer Category Ravenna Agreement [Member] Ravenna agreement. Ravenna Agreement Cash In Lieu Of Fractional Shares For Reverse Stock Split Cash in lieu of fractional shares for reverse stock split. Cash in lieu of fractional shares for reverse stock split Debt Instrument, Name [Domain] Debt Instrument, Name Segment Reporting, CODM, Profit (Loss) Measure, How Used, Description Marketable Securities, Current Marketable Securities Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price Weighted-Average Exercise Price, Vested or expected to vest Preferred Stock, Convertible, Conversion Ratio Preferred stock conversion ratio Percentage of workforce reduction Restructuring and Related Cost, Number of Positions Eliminated, Period Percent Cornell Agreement Cornell Agreement [Member] Cornell agreement. Property, Plant, and Equipment, after Accumulated Depreciation, Depletion, and Amortization Property and equipment, net Property and equipment, net Property, Plant and Equipment, Net, Beginning Balance Property, Plant and Equipment, Net, Ending Balance Net assets acquired in the acquisition of Faeth Therapeutics Net Assets Acquired In The Acquisition Of Faeth Therapeutics Net assets acquired in the acquisition of Faeth Therapeutics Shares, Outstanding Ending balance, shares Beginning balance, shares Transaction Type [Axis] Business Acquisition Share Based Payment Arrangement Exchange Ratio Business acquisition share based payment arrangement exchange ratio. Exchange ratio Document Information [Line Items] Other Assets, Current Other current assets Compensation Related Costs [Abstract] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Statement of Financial Position [Abstract] Capital lease payments Finance Lease, Principal Payments Capital lease payments Principal payments for financing leases Financing cash outflows from finance leases Local Phone Number Local Phone Number