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3. Income (Loss) Per Common Share (Details) - shares
9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Total possible dilution 7,945,904 2,453,046
Warrants    
Total possible dilution 6,194,899 702,041
Convertible Preferred Stock    
Total possible dilution 1,751,005 1,751,005