Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Trading Arrangement: Trading Arrangement [Axis] Maximum Maximum [Member] Statistical Measurement [Domain] Statistical Measurement [Domain] Title of 12(b) Security Title of 12(b) Security Debt Securities, Available-for-Sale [Table] Debt Securities, Available-for-Sale [Table] Document Fiscal Year Focus Document Fiscal Year Focus Term of agreement Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period Adjustment to Compensation, Amount Adjustment to Compensation Amount Financial Instrument [Axis] Financial Instrument [Axis] Segment Reporting [Abstract] Schedule of Cash, Cash Equivalents and Short-Term Investments Fair Value, Assets Measured on Recurring Basis [Table Text Block] Ordinary shares, $0.000174 par value; 400,000,000 shares authorized; 62,974,309 and 56,442,308 shares issued and outstanding at June 30, 2026 and December 31, 2025, respectively Common Stock, Value, Issued 2027 Lessee, Operating Lease, Liability, to be Paid, Year One Accrued compensation and benefits Employee-related Liabilities, Current Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Entity Ex Transition Period Entity Ex Transition Period Restatement Determination Date Restatement Determination Date Contract assets related to the license agreement Contract with Customer, Asset, after Allowance for Credit Loss Current Manufacturing Process Current Manufacturing Process [Member] Current Manufacturing Process Schedule of Prepaid Expenses and Other Current Assets Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block] Amendment Flag Amendment Flag Current liabilities: Liabilities, Current [Abstract] Entity Common Stock, Shares Outstanding (in shares) Entity Common Stock, Shares Outstanding Thereafter Lessee, Operating Lease, 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January 2028 [Member] Lease Expiring In January 2028 Other comprehensive loss: Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] Entity Address, City or Town Entity Address, City or Town Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Statement of Financial Position [Abstract] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Intangible assets, net Intangible Asset, Finite-Lived, after Accumulated Amortization Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Proceeds from purchases under the Employee Stock Purchase Plan Proceeds from Stock Plans Significant Other Observable Inputs (Level 2) Fair Value, Inputs, Level 2 [Member] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Collaborative Arrangement and Arrangement Other than Collaborative [Table] Collaborative Arrangement and Arrangement Other than Collaborative [Table] Clinical Trial Reports Clinical Trial Reports [Member] Clinical Trial Reports Interest income Investment Income, Nonoperating License and Collaboration License [Member] U.S. UNITED STATES Recent Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Net Loss per Share Earnings Per Share, Policy [Policy Text Block] Schedule of Reconciliation of Segment Net Loss Segment Reporting [Table Text Block] Loss on disposal of property and equipment Gain (Loss) on Disposition of Property Plant Equipment Use of Estimates Use of Estimates, Policy [Policy Text Block] Revenue Recognition Revenue from Contract 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Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Proceeds from issuances of ordinary shares under the Stock Incentive Plan Proceeds from Issuance of Common Stock Ordinary shares, shares authorized (in shares) Common Stock, Shares Authorized Antidilutive Security, Excluded EPS Calculation [Table] Antidilutive Security, Excluded EPS Calculation [Table] Sale of stock shares issued (in shares) Sale of Stock, Number of Shares Issued in Transaction Exercise Price Award Exercise Price Investing activities: Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Segment Reporting [Line Items] Segment Reporting [Line 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Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Number of operating segments Number of Operating Segments Antidilutive securities excluded from computation of earnings per share (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Schedule of Anti-dilutive Shares Not Included in the Computation of Net Loss Per Share Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Entity Central Index Key Entity Central Index Key All Adjustments to Compensation All Adjustments to Compensation [Member] Equity [Abstract] Proceeds from private placement Proceeds from Issuance of Private Placement 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] Net cash used in operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Income Statement [Abstract] Shareholders' equity: Equity, Attributable to Parent [Abstract] Issuance of ordinary shares under the Employee Stock Purchase Plan (in shares) Stock Issued During Period, Shares, Employee Stock Purchase Plans Document Transition Report Document Transition Report Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Operating expenses: Operating Expenses [Abstract] Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Schedule of Fair Value of Each Grant Using Weighted-Average Assumptions Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Number of Options Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward] City Area Code City Area Code Accumulated Other Comprehensive Loss AOCI Attributable to Parent [Member] All Individuals All Individuals [Member] Name Forgone Recovery, Individual Name Total unrecognized compensation cost, expect to recognize over weighted average period (in years) Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Statement [Line Items] Statement [Line Items] Total assets Assets Panacea Venture Panacea Venture [Member] Panacea Venture Accounts Receivable, Net Accounts Receivable [Policy Text Block] Schedule of Share-Based Payment Award, Employee Stock Purchase Plan, Valuation Assumptions Schedule of Share-Based Payment Award, Employee Stock Purchase Plan, Valuation Assumptions [Table Text Block] Operating Segment Operating Segments [Member] Registration statement shares registered for resale Registration Statement, Shares Registered For Resale Registration Statement, Shares Registered For Resale Weighted-average fair value of options granted (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Schedule of Share-Based Compensation Expense Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] Gross Unrealized Gains Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax Equity Incentive Plans Share-Based Payment Arrangement [Text Block] Issuance of ordinary shares under the Employee Stock Purchase Plan Stock Issued During Period, Value, Employee Stock Purchase Plan Issuance of ordinary shares in a private placement, net of issuance costs (in shares) Stock Issued During Period, Shares, New Issues PEO PEO [Member] Cash and Cash Equivalents [Domain] Cash and Cash Equivalents [Domain] Total share-based compensation expense Share-Based Payment Arrangement, Expense Other non-current liabilities Other Liabilities, Noncurrent Contract with Customer, Liability, Revenue Recognized, Gross Contract with Customer, Liability, Revenue Recognized, Gross Contract with Customer, Liability, Revenue Recognized, Gross Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Exercised (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period 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 Cash equivalents Cash Equivalents, at Carrying Value Contract with customer Contract with Customer, Liability, Revenue Recognized Accumulated Deficit Retained Earnings [Member] Non-current lease liabilities Operating Lease, Liability, Noncurrent 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Research and development expense Research and development expense Research and Development Expense Lease Contractual Term [Domain] Lease Contractual Term [Domain] 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] Milestone amount that lapsed Revenue, Remaining Performance Obligation, Variable Consideration, Amount Lapsed Revenue, Remaining Performance Obligation, Variable Consideration, Amount Lapsed Financing activities: Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] License and collaboration revenues Revenue from Contract with Customer, Excluding Assessed Tax Property and equipment, net Property, Plant, and Equipment, after Accumulated Depreciation, Depletion, and Amortization Income taxes paid - state Income Tax Paid, State and Local, after Refund Received Financial Instruments [Domain] Financial Instruments [Domain] Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Underlying Securities Award Underlying Securities Amount License and Collaboration Agreement Revenue from Contract with Customer [Text Block] Issuance of ordinary shares in a private placement, net of issuance costs Stock Issued During Period, Value, New Issues Prepaid clinical and manufacturing expenses Prepaid Expense, Current Weighted average discount rate Operating Lease, Weighted Average Discount Rate, Percent Segment Reporting [Table] Segment Reporting [Table] Sale of Stock [Axis] Sale of Stock [Axis] Commitments and Contingencies Disclosure [Abstract] Other income, net: Other Nonoperating Income (Expense) [Abstract] All Trading Arrangements All Trading Arrangements [Member] Other Performance Measure, Amount Other Performance Measure, Amount Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Loss from operations Operating Income (Loss) Service Service [Member] Transaction price Revenue, Remaining Performance Obligation, Amount Current Fiscal Year End Date Current Fiscal Year End Date Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Long-lived tangible assets Long-Lived Asset, Excluding Financial Instrument, Customer Relationship, Mortgage Servicing Right, Deferred Policy Acquisition Cost, and Deferred Tax Asset, Amount 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] Entity File Number Entity File Number Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Issuance of ordinary shares under the Stock Incentive Plan Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture Schedule of Stock Option Plan Activity Share-Based Payment Arrangement, Option, Activity [Table Text Block] Weighted-Average Exercise Price Share-Based Compensation Arrangement 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(Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Commitments and contingencies (see Note 7) Commitments and Contingencies Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Executive Category: Executive Category [Axis] China PRC CHINA Counterparty Name [Axis] Counterparty Name [Axis] LIABILITIES AND SHAREHOLDERS' EQUITY Liabilities and Equity [Abstract] All Award Types Award Type [Domain] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount 2026 (remainder of year) Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year Fair Value Measurements Fair Value Disclosures 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[Member] Organization and Business Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Share-based compensation expense Share-Based Payment Arrangement, Noncash Expense Private placement issuance costs, accrued but not paid Private Placement Issuance Costs Incurred But Not Yet Paid Private Placement Issuance Costs Incurred But Not Yet Paid Employee stock purchase plan rights Employee Stock [Member] Leases Lessee, Operating Leases [Text Block] Basic net loss per ordinary share (in dollars per share) Earnings Per Share, Basic Contract liabilities Contract with Customer, Liability, Current Total current assets Assets, Current Statistical Measurement [Axis] Statistical Measurement [Axis] Insider Trading Arrangements [Line Items] Award Type Award Type [Axis] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Accounts receivable, net Accounts Receivable, after Allowance for Credit Loss, Current Accumulated deficit Retained Earnings (Accumulated Deficit) Product and Service [Axis] Product and Service [Axis] Foreign commercial paper Commercial Paper, Not Included with Cash and Cash Equivalents, Non-US [Member] Commercial Paper, Not Included with Cash and Cash Equivalents, Non-US 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] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Ordinary Shares Common Stock [Member] Estimated Fair Value Debt Securities, Available-for-Sale Volatility Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Cover [Abstract] Dividend yield Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate Treatment of Respiratory Diseases Segment Treatment Of Respiratory Diseases Segment [Member] Treatment Of Respiratory Diseases Segment Equity Awards Adjustments Equity Awards Adjustments [Member] Realized gain (loss) Debt Securities, Available-for-Sale, Realized Gain (Loss) Total liabilities and shareholders' equity Liabilities and Equity Stock options outstanding Stock Options Share-Based Payment Arrangement, Option [Member] Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Table] Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Table] Segments [Axis] Segments [Axis] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Interest receivables Interest Receivable, Current Tabular List, Table Tabular List [Table Text Block] Additional paid-in capital Additional Paid in Capital Other non-current liabilities Increase (Decrease) in Other Noncurrent Liabilities Other income (expense) Other Nonoperating Income (Expense) Lisa Peraza [Member] Lisa Peraza Name Awards Close in Time to MNPI Disclosures, Individual Name 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] General and administrative expense General and administrative expense General and Administrative Expense Sale of stock, price per share (in dollars per share) Sale of Stock, Price Per Share Number of consecutive days (in days) Share-Based Compensation Arrangement by Share-Based Payment Award, Number Of Consecutive Days To Receive Shares Share-Based Compensation Arrangement by Share-Based Payment Award, Number Of Consecutive Days To Receive Shares Adjustment to Compensation: Adjustment to Compensation [Axis] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Prepaid taxes Prepaid Taxes Statement of Cash Flows [Abstract] Reconciliation of loss: Segment Reporting, Reconciliation of Profit (Loss) by Segment to Consolidated [Abstract] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Total Assets, Fair Value Disclosure Name Measure Name Income Taxes Income Tax Disclosure [Text Block] Accounts payable Accounts Payable, Current Pay vs Performance Disclosure [Line Items] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Simcere Pharmaceutical Company Limited Simcere Pharmaceutical Company Limited [Member] Simcere Pharmaceutical Company Limited Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Additional Paid-In Capital Additional Paid-in Capital [Member] Entity Filer Category Entity Filer Category Short-term investments Short-Term Investments Name Trading Arrangement, Individual Name Cash and cash equivalents Cash and Cash Equivalent Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Net of Forfeitures Operating lease, expense Operating Lease, Expense Company Selected Measure Amount Company Selected Measure Amount Depreciation and amortization Depreciation, Depletion and Amortization Entity Address, Address Line Two Entity Address, Address Line Two Issuance of ordinary shares under the Stock Incentive Plan (in shares) Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture Stock, Class of Stock [Table] Stock, Class of Stock [Table] U.S. commercial paper Commercial Paper, Not Included with Cash and Cash Equivalents [Member] Unrecognized tax benefits that would impact effective tax rate Unrecognized Tax Benefits that Would Impact Effective Tax Rate Current assets: Assets, Current [Abstract] Weighted average remaining lease term Operating Lease, Weighted Average Remaining Lease Term Non-PEO NEO Non-PEO NEO [Member] Entity Address, Address Line One Entity Address, Address Line One U.S. corporate debt securities Debt Security, Corporate, US [Member] Income tax expense Income tax expense Income Tax Expense (Benefit) Award Timing Method Award Timing Method [Text Block] Principles of Consolidation Consolidation, Policy [Policy Text Block] Net decrease in cash and cash equivalents Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Net loss Net loss Net loss Net Income (Loss) Attributable to Parent Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Proceeds from sale of property and equipment Proceeds from Sale of Property, Plant, and Equipment Statement [Table] Statement [Table] Adjustments and reconciling items Segment Reporting, Reconciling Item, Excluding Corporate Nonsegment [Member] Restatement Determination Date: Restatement Determination Date [Axis] Cash and Cash Equivalents [Axis] Cash and Cash Equivalents [Axis] Basis of Presentation and Significant Accounting Policies Basis of Presentation and Significant Accounting Policies [Text Block] Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block]