Supplementary Balance Sheet Information - Property and Equipment (Details) - USD ($) $ in Thousands |
Jun. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Property, equipment and depreciation and amortization | ||
| Property and equipment, gross | $ 4,744 | $ 5,045 |
| Less—accumulated depreciation and amortization | (4,294) | (4,467) |
| Property and equipment, net | 450 | 578 |
| Furniture and office equipment | ||
| Property, equipment and depreciation and amortization | ||
| Property and equipment, gross | 750 | 1,051 |
| Leasehold improvements | ||
| Property, equipment and depreciation and amortization | ||
| Property and equipment, gross | 2,568 | 2,568 |
| Laboratory equipment | ||
| Property, equipment and depreciation and amortization | ||
| Property and equipment, gross | $ 1,426 | $ 1,426 |
| X | ||||||||||
- Definition Amount of accumulated depreciation, depletion, and amortization of property, plant, and equipment. Includes, but is not limited to, land and land improvement; building; machinery and equipment; furniture and fixture; and work of art, historical treasure, or similar asset classified as collection. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount, before accumulated depreciation, depletion, and amortization, of property, plant, and equipment. Includes, but is not limited to, land and land improvement; building; machinery and equipment; furniture and fixture; and work of art, historical treasure, or similar asset classified as collection. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount, after accumulated depreciation, depletion, and amortization, of property, plant, and equipment. Includes, but is not limited to, land and land improvement; building; machinery and equipment; furniture and fixture; and work of art, historical treasure, or similar asset classified as collection. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|