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Consolidated Statements of Shareholders' Equity - USD ($)
Common Stock [Member]
Additional Paid-in Capital [Member]
Accumulated Deficit [Member]
Total
Balance beginning at Dec. 31, 2018 $ 2,767 $ 114,787,657 $ (111,690,934) $ 3,099,490
Balance beginning, shares at Dec. 31, 2018 27,665,211      
Exercise of options and warrants $ 158 1,170,388 1,170,546
Exercise of options and warrants, shares 1,587,814      
Issuance of capital stock $ 200 4,599,799 4,599,999
Issuance of capital stock, shares 2,001,237      
Warrants converted to equity 1,153,439 1,153,439
Share-based compensation 841,612 841,612
Net loss (3,808,978) (3,808,978)
Balance ending at Dec. 31, 2019 $ 3,125 122,552,895 (115,499,912) 7,056,108
Balance ending, shares at Dec. 31, 2019 31,254,262      
Exercise of options and warrants $ 33 284,174 284,207
Exercise of options and warrants, shares 321,524      
Share-based compensation 327,554 327,554
Net loss (2,340,864) (2,340,864)
Balance ending at Dec. 31, 2020 $ 3,158 $ 123,164,623 $ (117,840,776) $ 5,327,005
Balance ending, shares at Dec. 31, 2020 31,575,786