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Property and Equipment - Schedule of Property and Equipment (Details) - USD ($) $ in Thousands | Jun. 30, 2025 | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | --- | ---
Schedule of Property and Equipment [Line Items] |  |  |
Property and Equipment | $ 2,682 | $ 2,693 | $ 2,693
Less: Accumulated Depreciation | (2,655) | (2,656) | (2,591)
Total | 27 | 37 | 102
Furniture and fixtures [Member] |  |  |
Schedule of Property and Equipment [Line Items] |  |  |
Property and Equipment | 53 | 53 | 53
Lab equipment [Member] |  |  |
Schedule of Property and Equipment [Line Items] |  |  |
Property and Equipment | 1,086 | 1,097 | 1,097
Computer hardware and software [Member] |  |  |
Schedule of Property and Equipment [Line Items] |  |  |
Property and Equipment | 15 | 15 | 15
Leasehold improvements [Member] |  |  |
Schedule of Property and Equipment [Line Items] |  |  |
Property and Equipment | 788 | 788 | 788
Equipment under finance leases [Member] |  |  |
Schedule of Property and Equipment [Line Items] |  |  |
Property and Equipment | $ 740 | $ 740 | $ 740

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