Quarterly report pursuant to Section 13 or 15(d)

Consolidated Statements of Stockholders' Equity

v3.21.1
Consolidated Statements of Stockholders' Equity - USD ($)
$ in Thousands
Total
Common Stock [Member]
Additional Paid-in Capital [Member]
Accumulated Other Comprehensive Loss [Member]
Accumulated Deficit [Member]
Beginning Balance at Dec. 31, 2019 $ 15,545 $ 2 $ 227,658   $ (212,114)
Beginning Balance, Shares at Dec. 31, 2019   15,332,042      
Share-based compensation 633   633    
Unrealized gain/loss on marketable securities 9     $ 9  
Net loss (7,578)       (7,578)
Ending balance at Mar. 31, 2020 8,609 $ 2 228,291 9 (219,692)
Ending balance, Shares at Mar. 31, 2020   15,332,042      
Beginning Balance at Dec. 31, 2019 $ 15,545 $ 2 227,658   (212,114)
Beginning Balance, Shares at Dec. 31, 2019   15,332,042      
Issuance of common stock for exercise of warrants, Shares 5,850        
Ending balance at Dec. 31, 2020 $ 12,620 $ 3 252,908 (21) (240,270)
Ending balance, Shares at Dec. 31, 2020   27,810,161      
Issuance of securities in registered offering 57,500 $ 1 57,499    
Issuance of securities in registered offering, Shares   11,500,000      
Financing cost of sale of securities (3,703)   (3,703)    
Issuance of common stock for exercise of warrants $ 110   110    
Issuance of common stock for exercise of warrants, Shares 22,560 22,560      
Share-based compensation $ 581   581    
Unrealized gain/loss on marketable securities (8)     (8)  
Net loss (5,195)       (5,195)
Ending balance at Mar. 31, 2021 $ 61,905 $ 4 $ 307,395 $ (29) $ (245,465)
Ending balance, Shares at Mar. 31, 2021   39,332,721