Supplemental Balance Sheet Information, Property and Equipment, Net (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | |||
|---|---|---|---|---|---|
Sep. 30, 2022 |
Sep. 30, 2021 |
Sep. 30, 2022 |
Sep. 30, 2021 |
Dec. 31, 2021 |
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| Property and Equipment, net [Abstract] | |||||
| Total property and equipment | $ 25 | $ 25 | $ 25 | ||
| Less accumulated depreciation | (18) | (18) | (15) | ||
| Property and equipment, net | 7 | 7 | 10 | ||
| Depreciation expense | 1 | $ 1 | 3 | $ 3 | |
| Equipment [Member] | |||||
| Property and Equipment, net [Abstract] | |||||
| Total property and equipment | 20 | 20 | 20 | ||
| Furniture [Member] | |||||
| Property and Equipment, net [Abstract] | |||||
| Total property and equipment | $ 5 | $ 5 | $ 5 | ||
| X | ||||||||||
- 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://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- 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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| X | ||||||||||
- 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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| X | ||||||||||
- References No definition available.
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