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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

The number of equity-based payment instruments, excluding stock (or unit) options, that shares underlying vested during the reporting period.

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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