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- Definition

Number Of Depositary Shares Per Share Of Common Stock

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- Definition

Number Of New Subsidiaries

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- Definition

Stock Conversion Ratio

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Amount authorized for purchase of share under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership.

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- Definition

Amount of cash and cash equivalent, and cash and cash equivalent restricted to withdrawal or usage; attributable to continuing operation. Cash includes, but is not limited to, currency on hand, demand deposit with financial institution, and account with general characteristic of demand deposit. Cash equivalent includes, but is not limited to, short-term, highly liquid investment that is both readily convertible to known amount of cash and so near maturity that it presents insignificant risk of change in value because of change in interest rate.

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- Definition

Face amount or stated value per share of common stock.

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- Definition

Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.

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- Definition

Amount of accumulated undistributed earnings (deficit).

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Nature of Business and Basis of Presentation (Details) $ / shares in Units, $ in Thousands	3 Months Ended
	Sep. 30, 2025 subsidiary	Jun. 30, 2026 £ / shares	Jun. 30, 2026 USD ($) $ / shares shares	Dec. 31, 2025 £ / shares	Dec. 31, 2025 USD ($)	Sep. 29, 2025	Dec. 31, 2024 £ / shares	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)
Share Repurchase Program [Line Items]
Number of new subsidiaries \| subsidiary	2
Ordinary shares, nominal value (per share) \| £ / shares				£ 0.000025			£ 0.000025
Merger agreement extension period						60 days
Cash and cash equivalents \| $					$ 71,852			$ 112,400	$ 142,090
Accumulated deficit \| $					$ 304,092			$ 237,664
Forecast
Share Repurchase Program [Line Items]
Ordinary shares, nominal value (per share) \| £ / shares		£ 0.000025
Number of depositary shares per share of common stock (in shares) \| shares			1
Forecast \| Becaon Topco, Inc
Share Repurchase Program [Line Items]
Ordinary shares, nominal value (per share) \| $ / shares			$ 0.0001
Self-tender offer authorized amount to purchase \| $			$ 27,000
Forecast \| Clywedog Therapeutics, Inc.
Share Repurchase Program [Line Items]
Ordinary shares, nominal value (per share) \| $ / shares			$ 0.0001
Preferred stock par value (in dollars per share) \| $ / shares			$ 0.0001
Forecast \| Scheme Shares
Share Repurchase Program [Line Items]
Stock conversion ratio			1
Forecast \| Clywedog Capital Stock
Share Repurchase Program [Line Items]
Stock conversion ratio			4.358932