Balance Sheet Components - Schedule of Property and Equipment (Details) - USD ($) $ in Thousands |
Jun. 30, 2026 |
Dec. 31, 2025 |
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| Schedule of Property and Equipment [Line Items] | ||
| Subtotal | $ 106 | $ 138 |
| Less accumulated depreciation | (65) | (72) |
| Net | 41 | 66 |
| Leasehold improvements [Member] | ||
| Schedule of Property and Equipment [Line Items] | ||
| Subtotal | 36 | 65 |
| Lab equipment [Member] | ||
| Schedule of Property and Equipment [Line Items] | ||
| Subtotal | 26 | 26 |
| Furniture and fixtures [Member] | ||
| Schedule of Property and Equipment [Line Items] | ||
| Subtotal | $ 44 | $ 47 |
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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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