Balance Sheet Components - Summary of Property and Equipment, Net (Details) - USD ($) $ in Thousands |
Mar. 31, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Property, Plant and Equipment [Line Items] | ||
| Total property and equipment | $ 9,101 | $ 8,786 |
| Less: Accumulated depreciation and amortization | (4,773) | (4,352) |
| Property and equipment, net | 4,328 | 4,434 |
| Lab equipment | ||
| Property, Plant and Equipment [Line Items] | ||
| Total property and equipment | 6,761 | 6,339 |
| Furniture, fixtures, and office equipment | ||
| Property, Plant and Equipment [Line Items] | ||
| Total property and equipment | 1,222 | 1,222 |
| Leasehold improvements | ||
| Property, Plant and Equipment [Line Items] | ||
| Total property and equipment | 717 | 717 |
| Computer equipment | ||
| Property, Plant and Equipment [Line Items] | ||
| Total property and equipment | 401 | 401 |
| Construction in progress | ||
| Property, Plant and Equipment [Line Items] | ||
| Total property and equipment | $ 0 | $ 107 |