Quarterly report pursuant to Section 13 or 15(d)

Consolidated Statements of Stockholders' (Deficit) Equity

v3.23.1
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, 2021 $ 49,376 $ 1 $ 310,011 $ (84) $ (260,552)
Beginning Balance, Shares at Dec. 31, 2021   491,626      
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 $ 1 310,930 (224) (280,709)
Ending balance, Shares at Mar. 31, 2022   491,626      
Beginning Balance at Dec. 31, 2022 (11,852) $ 1 313,884 (32) (325,705)
Beginning Balance, Shares at Dec. 31, 2022   594,983      
Issuance of securities in registered offering 10,000   10,000    
Issuance of securities in registered offering, Shares   128,000      
Financing cost of sale of securities (883)   (883)    
Issuance of common stock for exercise of pre-funded warrants 5   5    
Issuance of common stock for exercise of pre-funded warrants , shares   842,937      
Stock-based compensation 932   932    
Unrealized gain (loss) on marketable securities 32     32  
Net loss (1,371)       (1,371)
Ending balance at Mar. 31, 2023 $ (3,137) $ 1 $ 323,938 $ 0 $ (327,076)
Ending balance, Shares at Mar. 31, 2023   1,565,920