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Property and Equipment, net (Tables) | 12 Months Ended
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Dec. 31, 2024
Property, Plant and Equipment [Abstract] |
Schedule of Property and Equipment, Net | Property and equipment, net consisted of the following (in thousands):
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31,
​ |  | 2024 |  | 2023
Computer software | ​ | $ | 508 | ​ | $ | 903
Lab equipment(1) | ​ |  | 11,157 | ​ |  | 11,392
Office furniture | ​ |  | 267 | ​ |  | 267
Leasehold improvements | ​ |  | 340 | ​ |  | 340
Construction in progress | ​ |  | — | ​ |  | 13
​ | ​ |  | 12,272 | ​ |  | 12,915
Less: accumulated depreciation and amortization(2) | ​ |  | (7,887) | ​ |  | (6,151)
​ | ​ | $ | 4,385 | ​ | $ | 6,764
(1) | Lab equipment includes failed sale lease-back assets of $3.4 million as of December 31, 2024 and 2023. Lab equipment includes finance lease ROU assets of $3.2 million and $2.9 million, respectively, as of December 31, 2024 and 2023.
(2) | The accumulated amortization balance includes $1.5 million and $0.9 million, respectively, related to failed sale-leaseback assets as of December 31, 2024 and 2023. The accumulated amortization balance includes $2.3 million and $1.7 million, respectively, related to finance lease ROU assets as of December 31, 2024 and 2023.

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- Definition Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -SubTopic 10 -Topic 360 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482099/360-10-50-1 + Details
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