Amount of accumulated undistributed earnings (deficit).

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Name:	us-gaap_RetainedEarningsAccumulatedDeficit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Liquidity and Going Concern (Narrative) (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Mar. 12, 2025	Dec. 31, 2024	Mar. 31, 2024	Mar. 04, 2024	Jan. 10, 2023
Accumulated deficit	$ (334,266)		$ (327,735)
Cash and cash equivalents	$ 11,688		$ 9,291	$ 37,860
Innoviva Strategic Opportunities LLC \| Credit And Security Agreement
Aggregate amount					$ 35,000
Interest rate (as a percent)					14.00%
Innoviva Strategic Opportunities LLC \| Secured term loan
Aggregate amount						$ 30,000
Interest rate (as a percent)						8.00%
2025 Credit Agreement \| Innoviva Strategic Opportunities LLC \| Secured term loan
Aggregate amount		$ 10,000
Interest rate (as a percent)		14.00%