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Consolidated Statement of Stockholders' Equity (Unaudited) - 9 months ended Sep. 30, 2017 - USD ($)
Common Stock [Member]
Additional Paid-in Capital [Member]
Accumulated Deficit [Member]
Total
Balance at Dec. 31, 2016 $ 10,719 $ 117,293,158 $ (104,368,426) $ 12,935,451
Balance, shares at Dec. 31, 2016 10,718,553      
Cumulative adjustment upon modified retrospective adoption of ASU 2016-09 at Sep. 30, 2017 33,894 (33,894)
Balance after adoption of recent accounting pronouncement at Dec. 31, 2016 10,719 117,327,052 (104,402,320) 12,935,451
Balance after adoption of recent accounting pronouncement, shares at Dec. 31, 2016 10,718,553      
Stock-based compensation expense 282,330 282,330
Issuance of common stock, net of costs $ 4,169 8,573,692 8,577,861
Issuance of common stock, net of costs, shares 4,168,750      
Exercise of stock options $ 10 10,090 10,100
Exercise of stock options, shares 10,000      
Exercise of warrants $ 63 139,637 139,700
Exercise of warrants, shares 63,500      
Vesting of restricted stock $ 21 (21)
Vesting of restricted stock, shares 20,830      
Net loss (3,110,155) (3,110,155)
Balance at Sep. 30, 2017 $ 14,982 $ 126,332,780 $ (107,512,475) $ 18,835,287
Balance, shares at Sep. 30, 2017 14,981,633