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Income Taxes (Details Narrative) - USD ($)
 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Dec. 31, 2020
Income Taxes          
Income tax benefit (expense) $ 9,000 $ 8,000 $ 32,000 $ (203,000)  
Income tax rate, percentage 1.00% 0.90% 1.30% (5.30%)  
Valuation allowance against NOLs deferred tax assets     $ 2,811,000   $ 1,946,000
Refunds of federal taxes paid period         5 years
Deferred tax asset valuation allowance         $ 215,000
Unrecognized tax benefits $ 703,000   703,000   677,000
Discrete tax benefit     215,000   $ 17,000
Tax recognized amount     650,000    
Unrecognized tax benefits recognized effective income tax rates of future periods $ 703,000   $ 703,000