Quarterly report pursuant to Section 13 or 15(d)

Consolidated Statements of Stockholders' Equity

v3.19.2
Consolidated Statements of Stockholders' Equity - USD ($)
Total
Common Stock [Member]
Additional Paid-in Capital [Member]
Accumulated Other Comprehensive Income (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, 2017 31,193,445 $ 7,366 192,896,367 (74,820) (161,635,468)
Beginning Balance, Shares at Dec. 31, 2017   73,656,006      
Net income (loss) (39,242,373)        
Ending balance at Jun. 30, 2018 (7,158,843) $ 7,366 193,755,684 (44,052) (200,877,841)
Ending balance, Shares at Jun. 30, 2018   73,659,556      
Beginning Balance at Mar. 31, 2018 12,511,720 $ 7,366 193,337,923 (91,620) (180,741,949)
Beginning Balance, Shares at Mar. 31, 2018   73,658,506      
Share-based compensation 416,133   416,133    
Unrealized gain (loss) on marketable securities 47,568     47,568  
Issuance of common stock for exercise of warrants 1,628   1,628    
Issuance of common stock for exercise of warrants, Shares   1,050      
Net income (loss) (20,135,892)       (20,135,892)
Ending balance at Jun. 30, 2018 (7,158,843) $ 7,366 193,755,684 (44,052) (200,877,841)
Ending balance, Shares at Jun. 30, 2018   73,659,556      
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      
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      
Net income (loss) 2,920,109        
Ending balance at Jun. 30, 2019 9,188,066 $ 7,941 205,577,912 1,996 (196,399,783)
Ending balance, Shares at Jun. 30, 2019   79,409,556      
Beginning Balance at Mar. 31, 2019 17,484,085 $ 7,941 205,207,985 1,036 (187,732,877)
Beginning Balance, Shares at Mar. 31, 2019   79,409,556      
Share-based compensation 369,927   369,927    
Unrealized gain (loss) on marketable securities 960     960  
Net income (loss) (8,666,906)       (8,666,906)
Ending balance at Jun. 30, 2019 $ 9,188,066 $ 7,941 $ 205,577,912 $ 1,996 $ (196,399,783)
Ending balance, Shares at Jun. 30, 2019   79,409,556