Annual report pursuant to Section 13 and 15(d)

Consolidated Statements of Stockholders' Equity (Deficit)

v3.20.1
Consolidated Statements of Stockholders' Equity (Deficit) - USD ($)
Total
Common Stock [Member]
Additional Paid-in Capital [Member]
Accumulated Other Comprehensive Income (Loss) [Member]
Accumulated Deficit [Member]
Beginning Balance at Dec. 31, 2016 $ 19,512,854 $ 416 $ 165,681,914 $ (51,666) $ (146,117,810)
Beginning Balance, Shares at Dec. 31, 2016   4,165,576      
Issuance of securities in registered offering 27,616,565 $ 320 27,616,245    
Issuance of securities in registered offering, Shares   3,200,000      
Financing cost of sale of securities (2,018,290)   (2,018,290)    
Share-based compensation 1,623,128   1,623,128    
Unrealized loss on marketable securities (23,154)     (23,154)  
Net loss (15,517,658)       (15,517,658)
Ending balance at Dec. 31, 2017 31,193,445 $ 736 192,902,997 (74,820) (161,635,468)
Ending balance, Shares at Dec. 31, 2017   7,365,576      
Issuance of securities in registered offering 11,500,000 $ 58 11,499,942    
Issuance of securities in registered offering, Shares   575,000      
Financing cost of sale of securities (1,072,607)   (1,072,607)    
Issuance of common stock for exercise of warrants 5,503   5,503    
Issuance of common stock for exercise of warrants, Shares   355      
Share-based compensation 1,555,523   1,555,523    
Unrealized loss on marketable securities 44,520     44,520  
Net loss (37,684,424)       (37,684,424)
Ending balance at Dec. 31, 2018 5,541,960 $ 794 204,891,358 (30,300) (199,319,892)
Ending balance, Shares at Dec. 31, 2018   7,940,931      
Issuance of securities in registered offering 20,034,000 $ 628 20,033,372    
Issuance of securities in registered offering, Shares   6,280,000      
Issuance of securities in private placement 3,000,000 $ 111 2,999,889    
Issuance of securities in private placement, Shares   1,111,111      
Financing cost of sale of securities (1,713,410)   (1,713,410)    
Share-based compensation 1,446,549   1,446,549    
Unrealized loss on marketable securities 30,300     $ 30,300  
Net loss (12,794,493)       (12,794,493)
Ending balance at Dec. 31, 2019 $ 15,544,906 $ 1,533 $ 227,657,758   $ (212,114,385)
Ending balance, Shares at Dec. 31, 2019   15,332,042