Balance Sheet Components - Schedule of Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Thousands |
Mar. 31, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Payables and Accruals [Abstract] | ||
| Accrued research and development expenses | $ 5,354 | $ 4,295 |
| Accrued compensation expense | 508 | 1,601 |
| Accrued professional and legal costs | 604 | 442 |
| Accrued transaction expenses | 337 | 1,717 |
| Other accrued expenses and other current liabilities | 54 | 62 |
| Total accrued expenses and other current liabilities | $ 6,857 | $ 8,117 |