Selected Balance Sheet Information - Schedule of Property and equipment, net (Details) - USD ($) |
6 Months Ended | 12 Months Ended | |
|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Dec. 31, 2025 |
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| Selected Balance Sheet Information | |||
| Total property and equipment, gross | $ 1,175,000 | $ 1,188,000 | |
| Less: accumulated depreciation and amortization | (1,002,000) | (966,000) | |
| Total property and equipment, net | 173,000 | 222,000 | |
| Depreciation expense | 48,000 | $ 53,000 | 108,000 |
| Computers and office equipment | |||
| Selected Balance Sheet Information | |||
| Total property and equipment, gross | 639,000 | 639,000 | |
| Other property, plant and equipment | |||
| Selected Balance Sheet Information | |||
| Total property and equipment, gross | 431,000 | 444,000 | |
| Leasehold improvements | |||
| Selected Balance Sheet Information | |||
| Total property and equipment, gross | 94,000 | 94,000 | |
| Software | |||
| Selected Balance Sheet Information | |||
| Total property and equipment, gross | $ 11,000 | $ 11,000 | |
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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 The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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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