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Net Loss per Share (Antidilutive Shares Excluded from Computation of Diluted Shares Outstanding) (Details) - $ / shares	3 Months Ended	12 Months Ended
	Mar. 31, 2025	Dec. 31, 2024	Jan. 10, 2023
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of diluted weighted shares outstanding	16,134,070	23,341,812
Innoviva Strategic Opportunities LLC \| Secured term loan
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Interest rate (as a percent)			8.00%
Price per share			$ 1.52
Outstanding stock options
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of diluted weighted shares outstanding	5,276,523	3,755,965
Unvested restricted stock units
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of diluted weighted shares outstanding	202,500	220,000
Outstanding warrants
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of diluted weighted shares outstanding	10,655,047	19,365,847