Quarterly report pursuant to Section 13 or 15(d)

Consolidated Statements of Stockholders' Equity

v3.21.2
Consolidated Statements of Stockholders' Equity - USD ($)
$ in Thousands
Total
Common Stock [Member]
Additional Paid-in Capital [Member]
Accumulated Other Comprehensive Income (Loss) [Member]
Accumulated Deficit [Member]
Beginning Balance at Dec. 31, 2019 $ 15,545 $ 2 $ 227,658 $ 0 $ (212,115)
Beginning Balance, Shares at Dec. 31, 2019   15,332,042      
Stock-based compensation 633   633    
Unrealized gain/(loss) on marketable securities 9     9  
Net income (loss) (7,578)       (7,578)
Ending balance at Mar. 31, 2020 8,609 $ 2 228,291 9 (219,693)
Ending balance, Shares at Mar. 31, 2020   15,332,042      
Beginning Balance at Dec. 31, 2019 15,545 $ 2 227,658 0 (212,115)
Beginning Balance, Shares at Dec. 31, 2019   15,332,042      
Net income (loss) (21,751)        
Ending balance at Sep. 30, 2020 18,397 $ 3 252,268 (8) (233,866)
Ending balance, Shares at Sep. 30, 2020   27,810,082      
Beginning Balance at Dec. 31, 2019 $ 15,545 $ 2 227,658 0 (212,115)
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      
Beginning Balance at Mar. 31, 2020 8,609 $ 2 228,291 9 (219,693)
Beginning Balance, Shares at Mar. 31, 2020   15,332,042      
Issuance of securities in registered offering 21,108 $ 1 21,107    
Issuance of securities in registered offering, Shares   11,797,752      
Issuance of securities in private placement 3,000   3,000    
Issuance of securities in private placement, Shares   674,156      
Financing cost of sale of securities (1,462)   (1,462)    
Issuance of common stock for exercise of options, Shares   282      
Stock-based compensation 652   652    
Unrealized gain/(loss) on marketable securities (16)     (16)  
Net income (loss) (17,617)       (17,617)
Ending balance at Jun. 30, 2020 14,274 $ 3 251,588 (7) (237,310)
Ending balance, Shares at Jun. 30, 2020   27,804,232      
Issuance of common stock for exercise of warrants 28   28    
Issuance of common stock for exercise of warrants, Shares   5,850      
Stock-based compensation 652   652    
Unrealized gain/(loss) on marketable securities (1)     (1)  
Net income (loss) 3,444       3,444
Ending balance at Sep. 30, 2020 18,397 $ 3 252,268 (8) (233,866)
Ending balance, Shares at Sep. 30, 2020   27,810,082      
Beginning Balance at Dec. 31, 2020 12,620 $ 3 252,908 (21) (240,270)
Beginning 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      
Stock-based compensation 581   581    
Unrealized gain/(loss) on marketable securities (8)     (8)  
Net income (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      
Beginning Balance at Dec. 31, 2020 $ 12,620 $ 3 252,908 (21) (240,270)
Beginning Balance, Shares at Dec. 31, 2020   27,810,161      
Issuance of common stock for exercise of warrants, Shares 22,560        
Issuance of common stock for exercise of options, Shares 0        
Net income (loss) $ (15,883)        
Ending balance at Sep. 30, 2021 53,005 $ 4 309,197 (43) (256,153)
Ending balance, Shares at Sep. 30, 2021   39,332,721      
Beginning Balance at Mar. 31, 2021 61,905 $ 4 307,395 (29) (245,465)
Beginning Balance, Shares at Mar. 31, 2021   39,332,721      
Stock-based compensation 938   938    
Unrealized gain/(loss) on marketable securities (13)     (13)  
Net income (loss) (5,396)       (5,396)
Ending balance at Jun. 30, 2021 57,434 $ 4 308,333 (42) (250,861)
Ending balance, Shares at Jun. 30, 2021   39,332,721      
Stock-based compensation 864   864    
Unrealized gain/(loss) on marketable securities (1)     (1)  
Net income (loss) (5,292)       (5,292)
Ending balance at Sep. 30, 2021 $ 53,005 $ 4 $ 309,197 $ (43) $ (256,153)
Ending balance, Shares at Sep. 30, 2021   39,332,721