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Schedule of Effective Income Tax Rate Reconciliation (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Income Tax Disclosure [Abstract] |  |
Expected provision at federal statutory tax rate at 21% | $ (881) | $ (46)
Increase (decrease) in valuation allowance | 688 | (33)
State and local taxes | 21 | 84
Foreign tax rate differential | (1) | 4
US taxation of foreign operations |  | 80
Federal research and development credits | (75) | (55)
Change in tax rates |  | 10
Non-deductible expenses | 37 | 62
Disposition of Tantaline | 193 |
Other | 4 | (102)
Income tax (benefit) expense | $ (14) | $ 4

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