Quarterly report pursuant to Section 13 or 15(d)

Consolidated Statement of Changes in Stockholders' Equity

v3.19.2
Consolidated Statement of Changes in Stockholders' Equity - 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      
Stock-based compensation $ 139 425,686 425,825
Stock-based compensation, shares 139,893      
Issuance of common stock from exercise of warrants $ 2 898 900
Issuance of common stock from exercise of warrants, shares 1,500      
Net loss (4,862,790) (4,862,790)
Balance at Jun. 30, 2018 $ 110,458 191,597,237 (174,389,402) 17,318,293
Balance, shares at Jun. 30, 2018 110,458,121      
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, net of offering costs $ 925 379,184 380,109
Sale of common stock, 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      
Stock-based compensation 276,680 276,680
Stock-based compensation, shares      
Issuance of common stock from exercise of warrants $ 38 (38)
Issuance of common stock from exercise of warrants, shares 37,485      
Sale of common stock and warrants, net of offering costs $ 42,860 15,065,168 15,108,028
Sale of common stock and warrants, net of offering costs, shares 42,860,000      
Deemed dividend for warrant down-round protection provision 1,269 (1,269)
Net loss (5,026,918) (5,026,918)
Balance at Jun. 30, 2019 $ 162,034 $ 213,094,238 $ (197,555,800) $ 15,700,472
Balance, shares at Jun. 30, 2019 162,033,521