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Income Taxes (Operating Loss Carryforwards, Narrative) (Details) - USD ($)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Operating Loss Carryforwards [Line Items]      
Valuation allowance $ 19,761,922 $ 19,196,121  
Valuation allowance for deferred tax assets:      
Operating Loss Carryforwards [Line Items]      
Charged to costs and expenses 565,801 684,960 $ 1,129,109
Federal      
Operating Loss Carryforwards [Line Items]      
Operating loss carryforwards $ 56,033,442    
State      
Operating Loss Carryforwards [Line Items]      
Operating loss carryforwards   $ 59,711,135