Property and Equipment, Net - (Details) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
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| Property and Equipment, Net | ||
| Property and equipment, gross | $ 28,553 | $ 28,553 |
| Less: accumulated depreciation and amortization | (25,280) | (23,095) |
| Property and equipment, net | 3,273 | 5,458 |
| Depreciation and amortization expense | 2,200 | 2,900 |
| Impairment loss recognized | 0 | 1,200 |
| Research equipment | ||
| Property and Equipment, Net | ||
| Property and equipment, gross | 18,150 | 18,150 |
| Leasehold improvements | ||
| Property and Equipment, Net | ||
| Property and equipment, gross | 9,309 | 9,309 |
| Computer equipment | ||
| Property and Equipment, Net | ||
| Property and equipment, gross | 908 | 908 |
| Furniture and fixtures | ||
| Property and Equipment, Net | ||
| Property and equipment, gross | $ 186 | $ 186 |
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- Definition Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services. 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 The aggregate amount of write-downs for impairments recognized during the period for long-lived assets held for abandonment, exchange or sale. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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