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Income Taxes (Details Textual) - USD ($)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Income Taxes (Textual)    
Valuation allowance on its deferred tax assets $ 9,394,000 $ 10,663,000
Federal net operating loss, description Federal net operating loss carry forward of approximately $27,576,000, of which $22,461,000 expire in years through 2037 and $5,115,000 that do not expire. State net operating loss carry forwards total approximately $9,458,000 (with effective rates from 5.5% to 10%), expiring in years through 2040.  
Net operating loss carryback claim $ 1,416,000