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Income Taxes (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Income Taxes |  |
Computed "expected" tax-benefit - Federal | $ (3,045) | $ (2,124)
Computed "expected" tax-benefit - State | (931) | (616)
Adjustment of "expected" tax-benefit to actual | 0 | 0
Meals, entertainment and other | 0 | 0
Non-deductible stock-based compensation | 32 | 32
State tax rate adjustment | 932 | (1,221)
Federal and state net operating loss adjustment | 0 | 0
Change in valuation allowance | 3,012 | 3,929
Income tax expense | $ 0 | $ 0

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