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Grant Income - Additional Information (Details) - USD ($) $ in Thousands | 3 Months Ended |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Mar. 31, 2026 | Jun. 30, 2026 | Dec. 31, 2025 | Jun. 30, 2025 | Mar. 31, 2025 | Dec. 31, 2024 | Dec. 20, 2023
Deferred Income [Line Items] |  |  |  |  |  |  |
Deferred income | $ 318 | $ 335 | $ 1,396 | $ 1,525 | $ 1,461 | $ 1,738 |
Restricted cash |  | 335 | 1,396 |  |  |  |
Coalition for Epidemic Preparedness Innovations |  |  |  |  |  |  |
Deferred Income [Line Items] |  |  |  |  |  |  |
Maximum funding amount |  |  |  |  |  |  | $ 34,800
Deferred income reclassification to accrual | $ 1,000 |  |  |  |  |  |
Deferred income |  | 300 | 1,400 |  |  |  |
Restricted cash |  | $ 300 | $ 1,400 |  |  |  |

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