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Income Taxes (Details Narrative) - USD ($)
 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2020
Income Taxes          
Income tax benefit (expense) $ 10,000 $ 11,000 $ 23,000 $ (211,000)  
Income tax rate, percentage (1.10%) (0.60%) (1.40%) 7.10%  
Valuation allowance against NOLs deferred tax assets     $ 2,586,000   $ 1,946,000
Refunds of federal taxes paid period         5 years
Deferred tax asset valuation allowance         $ 215,000
Unrecognized tax benefits $ 694,000   694,000   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 $ 694,000   $ 694,000