Supplemental Balance Sheet Information - Schedule of Property and Equipment, Net (Details) - USD ($) $ in Thousands |
Mar. 31, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, gross | $ 431 | $ 501 |
| Less: accumulated depreciation and amortization | (212) | (195) |
| Property and equipment, net | 219 | 306 |
| Scientific equipment | ||
| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, gross | 357 | 405 |
| Computers and software | ||
| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, gross | 6 | 5 |
| Furniture and fixtures | ||
| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, gross | 2 | 25 |
| Leasehold Improvements | ||
| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, gross | 39 | 39 |
| Auto | ||
| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, gross | $ 27 | $ 27 |