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2028 [Member] Lease Expiring In January 2028 Intangible assets, net Finite-Lived Intangible Assets, Net Schedule of Future Minimum Lease Payments 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] Treasury Shares Treasury Stock, Common [Member] Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Pay vs Performance Disclosure [Line Items] Total lease liabilities Operating Lease, Liability U.S. government agency obligations US Government Agencies Debt Securities [Member] Foreign currency translation adjustments Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent 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] Net loss before income tax Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Entity Shell Company Entity Shell Company Other non-current liabilities Other Liabilities, Noncurrent Proceeds from sale of property and equipment Proceeds from Sale of Property, Plant, and Equipment Clinical Trial Reports Clinical Trial Reports [Member] Clinical Trial Reports Statement of Stockholders' Equity [Abstract] Operating Segment Operating Segments [Member] Statement of Cash Flows [Abstract] Company Selected Measure Amount Company Selected Measure Amount Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Other non-current liabilities Increase (Decrease) in Other Noncurrent Liabilities Comprehensive loss Comprehensive Income (Loss), Net of 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Activity, Including Discontinued Operation [Abstract] Effect of exchange rate changes on cash and cash equivalents 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 Statement of Income Location, Balance [Domain] Statement of Income Location, Balance [Domain] Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Entity Emerging Growth Company Entity Emerging Growth Company Entity Common Stock, Shares Outstanding (in shares) Entity Common Stock, Shares Outstanding Debt Securities, Available-for-Sale [Line Items] Debt Securities, Available-for-Sale [Line Items] Outstanding, beginning (in shares) Outstanding, ending (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] Other prepaid expenses and current assets Other Prepaid Expense And Current Assets Other Prepaid Expense And Current Assets Significant Other Observable Inputs (Level 2) Fair Value, Inputs, Level 2 [Member] Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Ordinary shares, shares outstanding (in shares) Beginning balance (in shares) Ending balance (in shares) Common Stock, Shares, Outstanding Contract liabilities Increase (Decrease) In Contract With Customer, Liability, Current Increase (Decrease) In Contract With Customer, Liability, Current PEO PEO [Member] Lease Contractual Term [Domain] Lease Contractual Term [Domain] U.S. UNITED STATES Change in operating assets and liabilities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] 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] 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 Total prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Subscription receivable Subscription Receivable Subscription Receivable Schedule of Accrued Liabilities Schedule of Accrued Liabilities [Table Text Block] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Restatement Determination Date Restatement Determination Date Cash and cash equivalents at beginning of year Cash and cash equivalents at end of year Cash, Cash Equivalent, Restricted 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Disclosure 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] Accrued liabilities Total accrued liabilities Accrued Liabilities, Current Accrued clinical, manufacturing and professional expense Accrued Clinical, Manufacturing And Professional Expense, Current Accrued Clinical, Manufacturing And Professional Expense, Current Commitments and Contingencies Disclosure [Abstract] Investing activities: Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] General and administrative expense General and administrative expense General and Administrative Expense Long-lived tangible assets Long-Lived Assets 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 Revenues from External Customers and Long-Lived Assets [Line Items] Revenues from External Customers and Long-Lived Assets [Line Items] Schedule of Fair Value of Each Grant Using Weighted-Average Assumptions Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] PEO Total Compensation Amount PEO Total Compensation Amount Money market funds Money Market Funds [Member] Lease Contractual Term [Axis] Lease Contractual Term [Axis] Equity Components [Axis] Equity Components [Axis] Entity Ex Transition Period Entity Ex Transition Period Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Number of reportable segments Number of Reportable Segments Non-cash financing activities: Supplemental Cash Flow Information [Abstract] Other 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Expected Timing of Satisfaction, Period 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] Document Fiscal Year Focus Document Fiscal Year Focus Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Liquidity and Going Concern Substantial Doubt about Going Concern [Text Block] Right-of-use lease assets, net Operating Lease, Right-of-Use Asset Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Effective tax rate Effective Income Tax Rate Reconciliation, Percent Statutory reserve Statutory Reserve Statutory Reserve Entity Interactive Data Current Entity Interactive Data Current 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 Exercised (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period Equity [Abstract] Revenue Recognition Revenue from Contract with Customer [Policy Text Block] Segment Reporting Segment Reporting Disclosure [Text Block] Number of performance obligations Revenue, Number Of Performance Obligations Revenue, Number Of Performance Obligations U.S. treasury bills US Treasury Securities [Member] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Depreciation and amortization Depreciation, Depletion and Amortization Other assets Other Assets, Noncurrent Entity Central Index Key Entity Central Index Key PEO Name PEO Name Schedule of Revenues from External Customers and Long-Lived Assets [Table] Schedule of Revenues from External Customers and Long-Lived Assets [Table] Gross proceeds Sale of Stock, Consideration Received on Transaction 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 Accounts Receivable, Net Accounts Receivable [Policy Text Block] Other comprehensive loss: Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] Arrangement Duration Trading Arrangement Duration Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Contract liabilities Contract with Customer, Liability, Current Segments [Axis] Segments [Axis] Prepaid expenses and other current assets Increase (Decrease) in Prepaid Expense and Other Assets Exercise Price Award Exercise Price Entity Filer Category Entity Filer Category Local Phone Number Local Phone Number Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Equity Incentive Plans Share-Based Payment Arrangement [Text Block] ASSETS Assets [Abstract] Underlying Security Market Price Change Underlying Security Market Price Change, Percent Fair Value Measurements Fair Value Disclosures [Text Block] Shareholders' equity: 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] Amortized Cost Debt Securities, Available-for-Sale, Amortized Cost, after Allowance for Credit Loss Entity Address, Address Line One Entity Address, Address Line One Entity Address, Address Line Two Entity Address, Address Line Two Research and development expense Research and development expense Research and Development Expense Accumulated Other Comprehensive Loss AOCI Attributable to Parent [Member] Non-current lease liabilities Operating Lease, Liability, Noncurrent Reconciliation of loss: Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Abstract] Fair Value as of Grant Date Award Grant Date Fair Value Entity Registrant Name Entity Registrant Name Other non-current assets Increase (Decrease) in Other Noncurrent Assets Panacea Venture Panacea Venture [Member] Panacea Venture Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Total unrecognized compensation cost related to non-vested, stock-based payment awards Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Document Quarterly Report Document Quarterly Report Total Assets, Fair Value Disclosure Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Interest receivables Interest Receivable, Current Counterparty Name [Domain] Counterparty Name [Domain] Number of operating segments Number of Operating Segments 2028 Lessee, Operating Lease, Liability, to be Paid, Year Two Accretion of discounts on available-for-sale investments Accretion (Amortization) of Discounts and Premiums, Investments Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Adjustments and reconciling items Segment Reporting, Reconciling Item, Excluding Corporate Nonsegment [Member] 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 Title Trading Arrangement, Individual Title Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Service Service [Member] Restatement Determination Date: Restatement Determination Date [Axis] Issuance of ordinary shares under the Stock Incentive Plan Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture Non-PEO NEO Non-PEO NEO [Member] Schedule of Prepaid Expenses and Other Current Assets Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block] Gross Unrealized Gains Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax Name Trading Arrangement, Individual Name All Award Types Award Type [Domain] 2027 Lessee, Operating Lease, Liability, to be Paid, Year One Equity Awards Adjustments Equity Awards Adjustments [Member] Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Compensation Amount Outstanding Recovery Compensation Amount Dividend yield Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Milestone payments received Contract with Customer, Liability, Revenue Recognized Milestone amount that lapsed Revenue, Remaining Performance Obligation, Variable Consideration, Amount Lapsed Revenue, Remaining Performance Obligation, Variable Consideration, Amount Lapsed China PRC CHINA MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Name Awards Close in Time to MNPI Disclosures, Individual Name Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Employee stock purchase plan rights Employee Stock [Member] Cash equivalents Cash Equivalents, at Carrying Value Share-based compensation expense APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Financial Instruments [Domain] Financial Instruments [Domain] Unrealized losses on available-for-sale investments Net unrealized losses on available-for-sale investments OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax Segments [Domain] Segments [Domain] Statement of Income Location, Balance [Axis] Statement of Income Location, Balance [Axis] Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] U.S. commercial paper Commercial Paper, Not Included with Cash and Cash Equivalents [Member] Net Loss per Share Earnings Per Share, Policy [Policy Text Block] Company Selected Measure Name Company Selected Measure Name Purchases of short-term investments Payments to Acquire Debt Securities, Available-for-Sale Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Accounts payable Accounts Payable, Current Payments for operating leases Operating Lease, Payments Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] All Executive Categories All Executive Categories [Member] Ordinary shares, $0.000174 par value; 400,000,000 shares authorized; 62,711,690 and 56,442,308 shares issued and outstanding at March 31, 2026 and December 31, 2025, respectively Common Stock, Value, Issued Short-term investments Short-Term Investments Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Weighted-average ordinary shares outstanding, diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Commitments and contingencies (see Note 7) Commitments and Contingencies Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Entity Small Business Entity Small Business Other expenses Payments of Stock Issuance Costs Income Tax Disclosure [Abstract] Document Transition Report Document Transition Report Underlying Securities Award Underlying Securities Amount Equity Component [Domain] Equity Component [Domain] Document Period End Date Document Period End Date PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Cash and Cash Equivalents [Domain] Cash and Cash Equivalents [Domain] Cancelled (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures and Expirations in Period Income Taxes Income Tax Disclosure [Text Block] Balance Sheet Details Supplemental Balance Sheet Disclosures [Text Block] Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Revenue from Contract with Customer [Abstract] Operating lease liabilities Increase (Decrease) in Operating Lease Liability Document Type Document Type Significant Unobservable Inputs (Level 3) Fair Value, Inputs, Level 3 [Member] Name Outstanding Recovery, Individual Name Additional paid-in capital Additional Paid in Capital California CALIFORNIA Product and Service [Axis] Product and Service [Axis] Proceeds from issuances of ordinary shares under the Stock Incentive Plan Proceeds from Issuance of Common Stock License and collaboration revenues Revenue from Contract with Customer, Excluding Assessed Tax All Individuals All Individuals [Member] Fair Value Disclosures [Abstract] Purchases of property and equipment Payments to Acquire Property, Plant, and Equipment Name Forgone Recovery, Individual Name Total current assets Assets, Current 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] Cancelled (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price 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] Current liabilities: Liabilities, Current [Abstract] Geographical [Axis] Geographical [Axis] Lessee, Lease, Description [Line Items] Lessee, Lease, Description [Line Items] Total operating expenses Operating Expenses Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Quoted Prices in Active Markets for Identical Assets (Level 1) Fair Value, Inputs, Level 1 [Member] Accrued liabilities Increase (Decrease) in Accrued Liabilities Diluted net loss per ordinary share (in dollars per share) Earnings Per Share, Diluted Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Accounts receivable, net Accounts Receivable, after Allowance for Credit Loss, Current Title of 12(b) Security Title of 12(b) Security Lessee, Lease, Description [Table] Lessee, Lease, Description [Table] Prepaid insurance Prepaid Insurance Sale of stock shares issued (in shares) Sale of Stock, Number of Shares Issued in Transaction Consolidation Items [Domain] Consolidation Items [Domain] Total other income, net Other income, net Nonoperating Income (Expense) 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] 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 Less: amount representing interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [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 Accrued compensation and benefits Employee-related Liabilities, Current Total future minimum lease payments Lessee, Operating Lease, Liability, to be Paid Lessee, operating lease, renewal term Lessee, Operating Lease, Renewal Term Shareholders’ Equity Equity [Text Block] Net loss Net loss Net loss Net Income (Loss) Attributable to Parent 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 Expiration Date Trading Arrangement Expiration Date Other accrued expenses Other Accrued Liabilities, Current Property and equipment, net Property, Plant and Equipment, Net Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Treatment of Respiratory Diseases Segment Treatment Of Respiratory Diseases Segment [Member] Treatment Of Respiratory Diseases Segment Adoption Date Trading Arrangement Adoption Date Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Accounts receivable, net Increase (Decrease) in Accounts Receivable Contract assets related to the license agreement Contract with Customer, Asset, after Allowance for Credit Loss Entity Current Reporting Status Entity Current Reporting Status Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Loss from operations Operating Income (Loss) Accumulated deficit Retained Earnings (Accumulated Deficit) Loss on disposal of property and equipment Gain (Loss) on Disposition of Property Plant Equipment Financial Instrument [Axis] Financial Instrument [Axis] 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] Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Net of Forfeitures Current Fiscal Year End Date Current Fiscal Year End Date Expected life (years) Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term 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] Statement [Table] Statement [Table] Other income (expense) Other Nonoperating Income (Expense) 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] Financing activities: Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] 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 Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] 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 Contract liabilities Contract with Customer, Liability Organization and Business Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Unrecognized tax benefits Unrecognized Tax Benefits Antidilutive securities excluded from computation of earnings per share (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount All Adjustments to Compensation All Adjustments to Compensation [Member] Amendment Flag Amendment Flag Sale of stock, price per share (in dollars per share) Sale of Stock, Price Per Share Treasury shares Treasury Stock, Common, Value Leases Lessee, Operating Leases [Text Block] Termination Date Trading Arrangement Termination Date Net cash provided by 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] Weighted average discount rate Operating Lease, Weighted Average Discount Rate, Percent Schedule of Stock Option Plan Activity Share-Based Payment Arrangement, Option, Activity [Table Text Block] Basis of Presentation and Significant Accounting Policies Basis of Presentation and Significant Accounting Policies [Text Block] Accrued interest or penalties Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued Simcere Pharmaceutical Company Limited Simcere Pharmaceutical Company Limited [Member] Simcere Pharmaceutical Company Limited Schedule of Cash, Cash Equivalents and Short-Term Investments Fair Value, Assets Measured on Recurring Basis [Table Text Block] Weighted-average ordinary shares outstanding, basic (in shares) Weighted Average Number of Shares Outstanding, Basic Unrecognized tax benefits that would impact effective tax rate Unrecognized Tax Benefits that Would Impact Effective Tax Rate Segment Reporting [Abstract] Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Operating lease, expense Operating Lease, Expense 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 Entity Tax Identification Number Entity Tax Identification Number Realized gain (loss) Debt Securities, Available-for-Sale, Realized Gain (Loss) Outstanding, beginning (in dollars per share) Outstanding, ending (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] Ordinary shares, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Ordinary shares, shares issued (in shares) Common Stock, Shares, Issued Weighted average remaining lease term Operating Lease, Weighted Average Remaining Lease Term Available-for-sale, unrealized loss Debt Securities, Available-for-Sale, Unrealized Gain (Loss) Use of Estimates Use of Estimates, Policy [Policy Text Block] Trading Arrangement: Trading Arrangement [Axis] Total Shareholder Return Amount Total Shareholder Return Amount Foreign currency translation adjustments Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Insider Trading Arrangements [Line Items] Security Exchange Name Security Exchange Name Total liabilities Liabilities Cash and Cash Equivalents [Axis] Cash and Cash Equivalents [Axis] Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Proceeds from maturities and sales of short-term investments Proceeds from Sale and Maturity of Debt Securities, Available-for-Sale Prepaid clinical and manufacturing expenses Prepaid Expense, Current Operating expenses: Operating Expenses [Abstract] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Issuance of ordinary shares in a private placement, net of issuance costs Stock Issued During Period, Value, New Issues Statement [Line Items] Statement [Line Items] Consolidation Items [Axis] Consolidation Items [Axis] Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Cash and cash equivalents Cash and Cash Equivalent Counterparty Name [Axis] Counterparty Name [Axis] Ordinary Shares Common Stock [Member] Estimated Fair Value Debt Securities, Available-for-Sale Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Non-NEOs Non-NEOs [Member] Net increase (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