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Fixed Assets - Summary (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023 | Dec. 31, 2023
Fixed Assets |  |  |  |  |
Office furniture and equipment | $ 78 |  | $ 78 |  | $ 60
Leasehold improvements | 43 |  | 43 |  | 43
Fixed assets, gross | 121 |  | 121 |  | 103
Accumulated depreciation and amortization | (80) |  | (80) |  | (63)
Fixed assets, net, after accumulated amortization | 41 |  | 41 |  | 40
Operating lease ROU assets, net | 204 |  | 204 |  | 235
Total | 245 |  | 245 |  | $ 275
Depreciation expense | $ 4 | $ 41 | $ 15 | $ 122 |

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- Definition Amount, after accumulated depreciation and excluding construction in progress and lessor's underlying asset for which right to use has been conveyed to lessee under operating lease, of physical asset used in normal conduct of business to create and distribute product and service. + References No definition available. + Details
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