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Prepaid and Other Current Assets | 9 Months Ended
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Sep. 30, 2025
Prepaid Expense and Other Assets, Current [Abstract] |
Prepaid and Other Current Assets | 5. Prepaid and Other Current Assets Prepaid and other current assets consisted of the following as of September 30, 2025 and December 31, 2024 (in thousands):
|  | September 30, |  |  | December 31, |
|  | 2025 |  |  | 2024 |
Down payments for inventory |  | $ | 970 |  |  | $ | 1,080 |
Prepaid research and development |  |  | 20,156 |  |  |  | 7,780 |
Other prepaid expenses |  |  | 10,434 |  |  |  | 9,508 |
Total prepaid assets |  | $ | 31,560 |  |  | $ | 18,368 |
|  | September 30, |  |  | December 31, |
|  | 2025 |  |  | 2024 |
Royalties receivable |  | $ | 6,534 |  |  | $ | 4,525 |
Receivable from collaboration agreement |  |  | 2,563 |  |  |  | 2,272 |
Deposits and other current assets |  |  | 1,061 |  |  |  | 4,847 |
Total other current assets |  | $ | 10,158 |  |  | $ | 11,644 |

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