Balance Sheet Components - Schedule of Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Thousands |
Jun. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Balance Sheet Related Disclosures [Abstract] | ||
| Accrued research and development expenses | $ 5,100 | $ 3,496 |
| Accrued general and administrative expenses | 565 | 3,556 |
| Accrued compensation and benefits | 1,253 | 1,774 |
| Lease liabilities, current portion | 336 | 317 |
| Total accrued expenses and other current liabilities | $ 7,254 | $ 9,143 |