0000001 - Document - Cover link:presentationLink link:calculationLink link:definitionLink 9952151 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS link:presentationLink link:calculationLink link:definitionLink 9952152 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952153 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS link:presentationLink link:calculationLink link:definitionLink 9952154 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY link:presentationLink link:calculationLink link:definitionLink 9952155 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS link:presentationLink link:calculationLink link:definitionLink 9952156 - Disclosure - Nature of Business and Basis of Presentation link:presentationLink link:calculationLink link:definitionLink 9952157 - Disclosure - Summary of Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 9952158 - Disclosure - Segment information link:presentationLink link:calculationLink link:definitionLink 9952159 - Disclosure - Foreign Currency Translation in General and Administrative Expenses link:presentationLink link:calculationLink link:definitionLink 9952160 - Disclosure - Net Loss Per Share link:presentationLink link:calculationLink link:definitionLink 9952161 - Disclosure - Property and Equipment, Net link:presentationLink link:calculationLink link:definitionLink 9952162 - Disclosure - Intangible Assets, Net link:presentationLink link:calculationLink link:definitionLink 9952163 - Disclosure - Prepaid Expenses and Other Current Assets link:presentationLink link:calculationLink link:definitionLink 9952164 - Disclosure - Accrued Expenses and Other Current Liabilities link:presentationLink link:calculationLink link:definitionLink 9952165 - Disclosure - Grant Income link:presentationLink link:calculationLink link:definitionLink 9952166 - Disclosure - Ordinary Shares link:presentationLink link:calculationLink link:definitionLink 9952167 - Disclosure - Deferred Shares link:presentationLink link:calculationLink link:definitionLink 9952168 - Disclosure - Fair Value link:presentationLink link:calculationLink link:definitionLink 9952169 - Disclosure - Share-Based Compensation link:presentationLink link:calculationLink link:definitionLink 9952170 - Disclosure - Commitments and Contingencies link:presentationLink link:calculationLink link:definitionLink 9952171 - Disclosure - Related Party Transactions link:presentationLink link:calculationLink link:definitionLink 9955511 - Disclosure - Summary of Significant Accounting Policies (Policies) link:presentationLink link:calculationLink link:definitionLink 9955512 - Disclosure - Segment information (Tables) link:presentationLink link:calculationLink link:definitionLink 9955513 - Disclosure - Net Loss Per Share (Tables) link:presentationLink link:calculationLink link:definitionLink 9955514 - Disclosure - Prepaid Expenses and Other Current Assets (Tables) link:presentationLink link:calculationLink link:definitionLink 9955515 - 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Disclosure - Segment information - Long-Lived Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955524 - Disclosure - Foreign Currency Translation in General and Administrative Expenses (Details) link:presentationLink link:calculationLink link:definitionLink 9955525 - Disclosure - Net Loss Per Share - Computation (Details) link:presentationLink link:calculationLink link:definitionLink 9955526 - Disclosure - Net Loss Per Share - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955527 - Disclosure - Property and Equipment, Net (Details) link:presentationLink link:calculationLink link:definitionLink 9955528 - Disclosure - Intangible Assets, Net (Details) link:presentationLink link:calculationLink link:definitionLink 9955529 - Disclosure - Prepaid Expenses and Other Current Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955530 - Disclosure - Accrued Expenses and Other Current Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955531 - Disclosure - Grant Income - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955532 - Disclosure - Grant Income - Changes in Deferred Income (Details) link:presentationLink link:calculationLink link:definitionLink 9955533 - Disclosure - Ordinary Shares (Details) link:presentationLink link:calculationLink link:definitionLink 9955534 - Disclosure - Deferred Shares (Details) link:presentationLink link:calculationLink link:definitionLink 9955535 - Disclosure - Fair Value - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955536 - Disclosure - Fair Value - Change in Financial Instruments Classified within Level 3 (Details) link:presentationLink link:calculationLink link:definitionLink 9955537 - Disclosure - Share-Based Compensation - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955538 - Disclosure - Share-Based Compensation - Weighted-Average Assumptions of Fair Value Stock Option Issued to Employees (Details) link:presentationLink link:calculationLink link:definitionLink 9955539 - Disclosure - Share-Based Compensation - Schedule of Restricted Stock Units Activity (Details) link:presentationLink link:calculationLink link:definitionLink 9955540 - Disclosure - Share-Based Compensation - Share Based Compensation Expense (Details) link:presentationLink link:calculationLink link:definitionLink 9955540 - Disclosure - Share-Based Compensation - Share Based Compensation Expense (Details) link:presentationLink link:calculationLink link:definitionLink 9955541 - Disclosure - Commitments and Contingencies - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955542 - Disclosure - Commitments and Contingencies - Right-of-use Assets, Lease Liabilities and Other Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955543 - Disclosure - Commitments and Contingencies - Lease Cost (Details) link:presentationLink link:calculationLink link:definitionLink 9955544 - Disclosure - Commitments and Contingencies - Maturities of Minimum Lease Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955544 - Disclosure - Commitments and Contingencies - Maturities of Minimum Lease Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955545 - Disclosure - Related Party Transactions (Details) link:presentationLink link:calculationLink link:definitionLink