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Income Taxes (Details 1) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
Income Taxes |  |
Expected income tax benefit | $ (825,000) | $ (497,000)
Equity based compensation | 238,000 | 4,000
Foreign tax rate differences | (3,000) | (12,000)
State income tax | (166,000) | (98,000)
Expiration of capital loss carryovers | 18,000 | 1,385,000
Adjustment to deferred taxes | 11,000 | (82,000)
Foreign currency exchange | 968,000 | 32,000
Change in valuation allowance | (251,000) | (489,000)
Changes in tax rate | 13 | (194,000)
Permanent differences and other | (3,000) | 15,000
Income tax (benefit) expense | $ 0 | $ 0

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