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v3.25.1

Stock-Based Compensation (Details) - USD ($) |  | 3 Months Ended
--- | --- | ---
Nov. 14, 2024 | Mar. 31, 2025 | Mar. 31, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Granted (in shares) |  | 1,600,000,000 |
Stock-based compensation expense |  | $ 1,015,000 | $ 296,000
Restricted stock units |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Unrecognized compensation |  | $ 0 |
Performance Shares |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Ordinary shares vested |  | 0 |
Stock-based compensation expense |  | $ 0 |
Unrecognized compensation |  | $ 900,000 |
American Depositary Shares | Peak Bio |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Assumed options to purchase | 16,996,592 |  |
American Depositary Shares | Peak Bio | Peak Bio Adjusted Options |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Assumed options to purchase | 1,618,081 |  |
Equity Incentive Plan 2014 | Restricted stock units |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Restricted stock awards |  | 0 |
Shares underlying vested |  | 0 |
Equity Incentive Plan 2014 | Minimum | Restricted stock units |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Vesting period (in years) |  | 1 year |
Equity Incentive Plan 2014 | Maximum | Restricted stock units |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Vesting period (in years) |  | 4 years |

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- Definition Amount of cost not yet recognized for nonvested award under share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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