Balance Sheet Components - Schedule of Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Thousands |
Jun. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Payables and Accruals [Abstract] | ||
| Accrued research and development expenses | $ 5,901 | $ 4,295 |
| Accrued compensation expense | 865 | 1,601 |
| Accrued professional and legal costs | 466 | 442 |
| Accrued transaction expenses | 1,717 | |
| Other accrued expenses and other current liabilities | 35 | 62 |
| Total accrued expenses and other current liabilities | $ 7,267 | $ 8,117 |