Quarterly report pursuant to Section 13 or 15(d)

Consolidated Statement of Changes in Stockholders' Equity

v3.19.3
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      
Stock-based compensation $ 5 405,934   405,939
Stock-based compensation, shares 5,000      
Issuance of common stock from exercise of warrants $ 6 3,943   3,949
Issuance of common stock from exercise of warrants, shares 5,832      
Net loss     (6,148,089) (6,148,089)
Balance at Sep. 30, 2018 $ 110,469 192,007,114 (180,537,491) 11,580,092
Balance, shares at Sep. 30, 2018 110,468,953      
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      
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      
Stock-based compensation $ 392 390,152 390,544
Stock-based compensation, shares 392,079      
Sale of common stock, net of offering costs $ 2,275 441,839 444,114
Sale of common stock, net of offering costs, shares 2,275,567      
Net loss     (6,599,326) (6,599,326)
Balance at Sep. 30, 2019 $ 164,701 $ 213,926,229 $ (204,155,126) $ 9,935,804
Balance, shares at Sep. 30, 2019 164,701,167