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	Aug. 11, 2025	Jun. 30, 2025	Mar. 12, 2025	Dec. 31, 2024	Jun. 30, 2024	Mar. 04, 2024	Jan. 10, 2023
Accumulated deficit		$ (350,561)		$ (327,735)
Cash and cash equivalents		$ 4,328		$ 9,291	$ 26,405
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%					8.00%
March 2025 Credit Agreement \| Innoviva Strategic Opportunities LLC \| Secured term loan
Aggregate amount			$ 10,000
Interest rate (as a percent)			14.00%
August 2025 Loan \| Innoviva Strategic Opportunities LLC \| Subsequent event
Aggregate amount	$ 15,000
Interest rate (as a percent)	14.00%
Loan maturity date	Jan. 11, 2029