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Income Taxes (Narrative) (Details) - USD ($)
9 Months Ended
Sep. 30, 2020
Dec. 31, 2019
Income Taxes [Line Items]    
Unrecognized tax benefits $ 0 $ 0
Federal net operating loss carryforwards   33,900,000
Deferred tax asset $ 0 65,000
Federal tax rate 21.00%  
Estimated annual effective tax rate 0.00%  
Refundable credits $ 130,000  
Tax Period Between 2020 And 2037 [Member]    
Income Taxes [Line Items]    
Federal net operating loss carryforwards   31,600,000
Indefinite Tax Period [Member]    
Income Taxes [Line Items]    
Federal net operating loss carryforwards   $ 2,300,000
Minimum [Member] | Tax Period Between 2020 And 2037 [Member]    
Income Taxes [Line Items]    
Federal net operating loss carryforwards expiration between, years Jan. 01, 2020  
Maximum [Member] | Tax Period Between 2020 And 2037 [Member]    
Income Taxes [Line Items]    
Federal net operating loss carryforwards expiration between, years Dec. 31, 2037