Condensed Consolidated Balance Sheet Components - Schedule of Property and Equipment, Net (Details) - USD ($) $ in Thousands |
Jun. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Schedule of Property and Equipment, Net [Line Items] | ||
| Property and equipment, gross | $ 4,274 | $ 4,916 |
| Less: accumulated depreciation and amortization | (4,214) | (4,814) |
| Property and equipment, net | 60 | 102 |
| Leasehold improvements [Member] | ||
| Schedule of Property and Equipment, Net [Line Items] | ||
| Property and equipment, gross | 2,711 | 2,711 |
| Lab equipment [Member] | ||
| Schedule of Property and Equipment, Net [Line Items] | ||
| Property and equipment, gross | 871 | 1,513 |
| Office furniture & fixtures [Member] | ||
| Schedule of Property and Equipment, Net [Line Items] | ||
| Property and equipment, gross | 522 | 522 |
| Computer equipment [Member] | ||
| Schedule of Property and Equipment, Net [Line Items] | ||
| Property and equipment, gross | $ 170 | $ 170 |
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- 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
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- 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
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- 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
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- 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
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