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3. Income (Loss) Per Common Share (Details) - shares
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Total possible dilution 2,203,046 2,001,005
Warrant    
Total possible dilution 452,041 250,000
Convertible Preferred Stock    
Total possible dilution 1,751,005 1,751,005