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Income Taxes (Details 1) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Income Tax Disclosure [Abstract] |  |
Expected income tax benefit | $ (197) | $ (691)
Equity based compensation | 7 | 7
Foreign tax rate differences | (8) | (116)
State income tax | (37) | (84)
Expiration of capital loss carryovers | 1,225 | 66
Adjustment to deferred taxes | (23) | (101)
Change in valuation allowance | (949) | 900
Permanent differences and other | (18) | 19
Income tax (benefit) expense | $ 0 | $ 0

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