Quarterly report pursuant to Section 13 or 15(d)

Consolidated Statement of Changes in Stockholders' Equity (Unaudited)

v3.19.1
Consolidated Statement of Changes in Stockholders' Equity (Unaudited) - USD ($)
Common Stock
Additional Paid-In Capital
Accumulated Deficit
Total
Balance at Dec. 31, 2017 $ 80,072 $ 176,810,222 $ (163,203,275) $ 13,687,019
Balance, shares at Dec. 31, 2017 80,072,334      
Stock-based compensation $ 7 579,932 579,939
Stock-based compensation, shares 6,500      
Sale of common stock and warrants, net of offering costs $ 30,238 13,780,499 13,810,737
Sale of common stock and warrants, net of offering costs, shares 30,237,894      
Net loss (6,323,337) (6,323,337)
Balance at Mar. 31, 2018 $ 110,317 191,170,653 (169,526,612) 21,754,358
Balance, shares at Mar. 31, 2018 110,316,728      
Balance at Dec. 31, 2018 $ 115,703 195,554,332 (186,857,238) 8,812,797
Balance, shares at Dec. 31, 2018 115,703,044      
Stock-based compensation $ 2 316,387 316,389
Stock-based compensation, shares 2,221      
Issuance of common stock from exercise of warrants $ 2,506 1,501,256 1,503,762
Issuance of common stock from exercise of warrants, shares 2,506,271      
Sale of common stock and warrants, net of offering costs $ 925 379,184 380,109
Sale of common stock and warrants, net of offering costs, shares 924,500      
Net loss (5,670,375) (5,670,375)
Balance at Mar. 31, 2019 $ 119,136 $ 197,751,159 $ (192,527,613) $ 5,342,682
Balance, shares at Mar. 31, 2019 119,136,036