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Business and Basis for Presentation (Details Narrative) - USD ($)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Working capital $ 5,200,000    
Cash and cash equivalents 4,772,705 $ 6,591,960  
Shareholders' equity 5,327,005 7,056,108 $ 3,099,490
Accumulated deficit (117,840,776) (115,499,912)  
Other income 202,052  
PPP Loan [Member]      
Proceeds from loan 202,052    
Estimated forgiveness of debt 194,140    
Minimum [Member]      
Non-recurring cash expenses per quarter 400,000    
Maximum [Member]      
Non-recurring cash expenses per quarter $ 450,000