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Condensed Consolidated Statements of Shareholders' Equity (Unaudited) - USD ($)
Common Stock [Member]
Additional Paid-in Capital [Member]
Accumulated Deficit [Member]
Total
Balance beginning at Dec. 31, 2017 $ 2,404 $ 111,627,789 $ (109,062,827) $ 2,567,366
Balance beginning, shares at Dec. 31, 2017 24,043,846      
Adoption of ASC 606 58,021 58,021
Issuance of common stock $ 362 3,026,268 3,026,630
Issuance of common stock, shares 3,618,365      
Warrants converted to equity 61,111 61,111
Stock-based compensation 69,309 69,309
Net loss (2,051,960) (2,051,960)
Balance ending at Sep. 30, 2018 $ 2,766 114,784,477 (111,056,766) 3,730,477
Balance ending, shares at Sep. 30, 2018 27,662,211      
Balance beginning at Jun. 30, 2018 $ 2,543 112,946,959 (110,368,465) 2,581,037
Balance beginning, shares at Jun. 30, 2018 25,432,739      
Issuance of common stock $ 217 1,776,412 1,776,629
Issuance of common stock, shares 2,173,916      
Stock-based compensation
Exercise of options and warrants $ 6 61,106 61,112
Exercise of options and warrants, shares 55,556      
Net loss (688,301) (688,301)
Balance ending at Sep. 30, 2018 $ 2,766 114,784,477 (111,056,766) 3,730,477
Balance ending, shares at Sep. 30, 2018 27,662,211      
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      
Adoption of ASC 606
Issuance of common stock $ 200 4,599,799 4,599,999
Issuance of common stock, shares 2,001,237      
Warrants converted to equity 1,153,439 1,153,439
Stock-based compensation 356,228 356,228
Exercise of options and warrants $ 142 1,170,404 1,170,546
Exercise of options and warrants, shares 1,423,843      
Net loss (2,552,087) (2,552,087)
Balance ending at Sep. 30, 2019 $ 3,109 122,067,527 (114,243,021) 7,827,615
Balance ending, shares at Sep. 30, 2019 31,090,291      
Balance beginning at Jun. 30, 2019 $ 3,103 122,002,886 (113,845,309) 8,160,680
Balance beginning, shares at Jun. 30, 2019 31,033,443      
Exercise of options and warrants $ 6 64,641 64,647
Exercise of options and warrants, shares 56,848      
Net loss (397,712) (397,712)
Balance ending at Sep. 30, 2019 $ 3,109 $ 122,067,527 $ (114,243,021) $ 7,827,615
Balance ending, shares at Sep. 30, 2019 31,090,291