Quarterly report pursuant to Section 13 or 15(d)

Consolidated Statements of Stockholders' (Deficit) Equity

v3.22.2.2
Consolidated Statements of Stockholders' (Deficit) 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, 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 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        
Net 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 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 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      
Beginning Balance at Dec. 31, 2021 49,376 $ 4 310,008 (84) (260,552)
Beginning Balance, Shares at Dec. 31, 2021   39,332,721      
Stock-based compensation 919   919    
Unrealized gain (loss) on marketable securities (140)     (140)  
Net loss (20,157)       (20,157)
Ending balance at Mar. 31, 2022 29,998 $ 4 310,927 (224) (280,709)
Ending balance, Shares at Mar. 31, 2022   39,332,721      
Beginning Balance at Dec. 31, 2021 49,376 $ 4 310,008 (84) (260,552)
Beginning Balance, Shares at Dec. 31, 2021   39,332,721      
Net loss (55,313)        
Ending balance at Sep. 30, 2022 (3,103) $ 4 312,898 (140) (315,865)
Ending balance, Shares at Sep. 30, 2022   39,332,721      
Beginning Balance at Mar. 31, 2022 29,998 $ 4 310,927 (224) (280,709)
Beginning Balance, Shares at Mar. 31, 2022   39,332,721      
Stock-based compensation 965   965    
Unrealized gain (loss) on marketable securities 11     11  
Net loss (18,089)       (18,089)
Ending balance at Jun. 30, 2022 12,885 $ 4 311,892 (213) (298,798)
Ending balance, Shares at Jun. 30, 2022   39,332,721      
Stock-based compensation 1,006   1,006    
Unrealized gain (loss) on marketable securities 73     73  
Net loss (17,067)       (17,067)
Ending balance at Sep. 30, 2022 $ (3,103) $ 4 $ 312,898 $ (140) $ (315,865)
Ending balance, Shares at Sep. 30, 2022   39,332,721