Quarterly report pursuant to Section 13 or 15(d)

Consolidated Statements of Stockholders' Equity

v3.22.1
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, 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 22,560      
Stock-based compensation $ 581   581    
Unrealized 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, 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 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