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Schedule of Components of Income Tax Expense (Benefit) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Income Tax Disclosure [Abstract] |  |
Expected federal statutory tax expense | $ 1,263 | $ 625
Increase (reduction) in taxes resulting from: |  |
State income taxes recoverable | 388 | 258
Non-deductible expenses (permanent differences) | (193) | (15)
Change in valuation allowance | (4,542) | (11,294)
Tax rate changes | (599) | 9,522
Other | 39 | (9)
Income tax benefit | $ (3,644) | $ (913)

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