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Consolidated Statements of Shareholders' Equity - USD ($)
Common Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
Total
Beginning balance, value at Dec. 31, 2019 $ 3,125 $ 122,552,895 $ (115,499,912) $ 7,056,108
Beginning balance, 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)
Ending balance, value at Dec. 31, 2020 $ 3,158 123,164,623 (117,840,776) 5,327,005
Ending balance, shares at Dec. 31, 2020 31,575,786      
Exercise of options $ 7 86,255 86,262
Exercise of options, shares 74,610      
Share-based compensation 217,008 217,008
Net loss (1,846,352) (1,846,352)
Ending balance, value at Dec. 31, 2021 $ 3,165 $ 123,467,886 $ (119,687,128) $ 3,783,923
Ending balance, shares at Dec. 31, 2021 31,650,396