Quarterly report pursuant to Section 13 or 15(d)

Consolidated Statements of Stockholders' Equity

v3.19.1
Consolidated Statements of Stockholders' Equity - USD ($)
Total
Common Stock [Member]
Additional Paid-in Capital [Member]
Accumulated Other Comprehensive Loss [Member]
Accumulated Deficit [Member]
Beginning Balance at Dec. 31, 2017 $ 31,193,445 $ 7,366 $ 192,896,367 $ (74,820) $ (161,635,468)
Beginning Balance, Shares at Dec. 31, 2017   73,656,006      
Share-based compensation 437,681   437,681    
Unrealized gain (loss) on marketable securities (16,800)     (16,800)  
Issuance of common stock for exercise of warrants 3,875   3,875    
Issuance of common stock for exercise of warrants, Shares   2,500      
Net income (loss) (19,106,481)       (19,106,481)
Ending balance at Mar. 31, 2018 12,511,720 $ 7,366 193,337,923 (91,620) (180,741,949)
Ending balance, Shares at Mar. 31, 2018   73,658,506      
Beginning Balance at Dec. 31, 2018 5,541,960 $ 7,941 204,884,211 (30,300) (199,319,892)
Beginning Balance, Shares at Dec. 31, 2018   79,409,556      
Share-based compensation 323,774   323,774    
Unrealized gain (loss) on marketable securities 31,336     31,336  
Net income (loss) 11,587,015       11,587,015
Ending balance at Mar. 31, 2019 $ 17,484,085 $ 7,941 $ 205,207,985 $ 1,036 $ (187,732,877)
Ending balance, Shares at Mar. 31, 2019   79,409,556