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Convertible Debt (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands |  | 3 Months Ended | 6 Months Ended
--- | --- | --- | ---
Jan. 10, 2023 | Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Change in fair value of convertible debt |  | $ 23,397 | $ 6,036 | $ 10,372 | $ 2,874
Innoviva Strategic Opportunities LLC [Member] |  |  |  |  |
Proceeds from qualified financing per agreement benchmark | $ 30,000 |  |  |  |
Innoviva Strategic Opportunities LLC [Member] | Secured term loan |  |  |  |  |
Aggregate amount | $ 30,000 |  |  |  |
Interest rate (as a percent) | 8.00% |  |  |  |
Discount on share price for conversion | 15.00% |  |  |  |
Price per share | $ 1.52 |  |  |  |
Change in fair value of convertible debt |  | $ 23,400 | $ 6,000 | $ 10,400 | $ 2,900

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