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Commitments and Contingencies (Narrative) (Details) |  |  |  | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Jun. 28, 2024 USD ($) | Jun. 15, 2023 USD ($) ft² | Oct. 27, 2017 USD ($) ft² | Dec. 31, 2024 USD ($) | Dec. 31, 2023 USD ($) | Jun. 14, 2023 ft² | Jun. 14, 2022 USD ($) ft²
Commitments and Contingencies |  |  |  |  |  |  |
Leased area (in square feet) | ft² |  | 11,916 | 27,043 |  |  | 26,503 | 26,503
Total base rent, net of abatements |  |  | $ 3,600,000 |  |  |  |
Total abatements |  |  | 600,000 |  |  |  |
Security deposit |  |  | 800,000 |  |  |  |
Security deposit, fully-occupied |  |  | 1,300,000 |  |  |  |
Operating lease liability |  |  |  | $ 878,000 | $ 2,500,000 |  | $ 2,200,000
Operating lease right-of-use asset, net |  |  |  | 81,000 | 1,566,000 |  | $ 2,200,000
Adjustment to right of use asset |  | $ 1,000,000 |  |  |  |  |
Adjustment to operating lease liability |  | 1,200,000 |  |  |  |  |
Gain on modification of sublease |  | $ 200,000 |  | $ 314,000 | $ 220,000 |  |
Termination fee | $ 40,000 |  |  |  |  |  |
Letter of Credit |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |
Security deposit |  |  | 500,000 |  |  |  |
Security deposit, fully-occupied |  |  | 1,000,000 |  |  |  |
Cash |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |
Security deposit |  |  | 300,000 |  |  |  |
Security deposit, fully-occupied |  |  | $ 300,000 |  |  |  |

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