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Income Taxes (Details) - Schedule of Net deferred tax assets and liabilities - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Deferred tax assets: |  |
Net operating loss carryforwards | $ 51,190 | $ 50,008
Charitable contribution carryforwards | 371 | 393
Research and experimentation credits | 2,420 | 2,420
Capitalized research and development costs | 951 | 979
Capitalized intangibles | 354 | 356
Stock-based compensation | 232 | 205
Accrued compensation | 7 | 6
Lease liabilities | 69 | 94
Total deferred tax assets | 55,594 | 54,461
Valuation allowance | (55,531) | (54,372)
Deferred tax assets, net of valuation allowance | 63 | 89
Deferred tax liabilities: |  |
Right-of-use asset | (61) | (84)
Depreciation and amortization | (2) | (5)
Net deferred tax liability |  |

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