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Dynavax Purchase (Details) - Dynavax Technologies $ in Thousands | 1 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2021 USD ($) | Mar. 31, 2025 USD ($) milestone | Mar. 31, 2024 USD ($) | Dec. 31, 2020 USD ($)
Asset Acquisition [Line Items] |  |  |  |
Upfront payment |  |  |  | $ 9,000
Payments for milestone |  | $ 0 | $ 0 |
Number of commercial milestones | milestone |  | 4 |  |
Maximum aggregate milestone payments per development milestone |  | $ 170,000 |  |
Royalties as a percentage of net sales, under sales threshold |  | 0.100 |  |
Royalties, sales threshold amount |  | $ 1,000,000 |  |
Royalties as a percentage of sales, over threshold amount |  | 0.120 |  |
Commercial Milestone |  |  |  |
Asset Acquisition [Line Items] |  |  |  |
Maximum aggregate milestone payments per development milestone |  | $ 80,000 |  |
Minimum |  |  |  |
Asset Acquisition [Line Items] |  |  |  |
Payments for milestone | $ 1,000 | 1,000 |  |
Maximum |  |  |  |
Asset Acquisition [Line Items] |  |  |  |
Payments for milestone |  | $ 10,000 |  |

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