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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, 2014 $ 2,392 $ 110,210,480 $ (98,130,702) $ 12,082,170
Balance beginning, shares at Dec. 31, 2014 23,924,465      
Exercise of options and warrants $ 12 548,463 $ 548,475
Exercise of options and warrants, shares 119,381    
Share-based compensation 725,016 $ 725,016
Net loss (4,279,856) (4,279,856)
Balance ending at Dec. 31, 2015 $ 2,404 111,483,959 (102,410,558) $ 9,075,805
Balance ending, shares at Dec. 31, 2015 24,043,846      
Exercise of options and warrants, shares      
Share-based compensation 67,531 $ 67,531
Net loss (4,238,410) (4,238,410)
Balance ending at Dec. 31, 2016 $ 2,404 111,551,490 (106,648,968) $ 4,904,926
Balance ending, shares at Dec. 31, 2016 24,043,846      
Exercise of options and warrants, shares      
Share-based compensation 76,299 $ 76,299
Net loss (2,413,859) (2,413,859)
Balance ending at Dec. 31, 2017 $ 2,404 $ 111,627,789 $ (109,062,827) $ 2,567,366
Balance ending, shares at Dec. 31, 2017 24,043,846