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Income Taxes, Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Deferred Tax Assets [Abstract] |  |
Net operating losses | $ 12,740 | $ 9,382
Foreign net operating losses | 784 | 782
Stock compensation | 2,141 | 2,173
In-process research and development | 1,009 | 1,233
Capitalized research and development expenses | 3,105 | 1,502
R&D credit carryforwards | 437 | 517
Compensation accrual | 3 | 81
ROU Liabilities | 8,932 | 334
Other | 132 | 549
Total gross deferred tax assets | 29,283 | 16,553
Valuation allowance | (18,302) | (16,157)
Net deferred tax assets | 10,981 | 396
Deferred Tax Liabilities [Abstract] |  |
Fixed assets | (6) | (10)
ROU Assets | (8,349) | (291)
Convertible debt | (2,507) | 0
Intangibles - goodwill | (179) | (160)
Total deferred tax liabilities | (11,041) | (461)
Net deferred taxes | $ (60) | $ (65)

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