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Consolidated Statements of Stockholders' Equity - USD ($)
$ in Thousands
Total
Common Stock
Additional Paid-In Capital
Accumulated Other Comprehensive Loss
Accumulated Deficit
Beginning balance (in shares) at Dec. 31, 2021   28,127,657      
Beginning balance at Dec. 31, 2021 $ 64,412 $ 28 $ 347,374 $ (119) $ (282,871)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Issuance of common stock, warrants and prefunded warrants for the purchase of common stock, net of issuance costs (in shares)   92,461,988      
Issuance of common stock, warrants and prefunded warrants for the purchase of common stock, net of issuance costs 59,362 $ 92 59,270    
Vesting of restricted stock units, less shares withheld and retired to satisfy tax obligations (in shares)   372,831      
Vesting of restricted stock units, less shares withheld and retired to satisfy tax obligations (13) $ 0 (13)    
Exercise of warrants and prefunded warrants (in shares)   499,871      
Exercise of warrants and prefunded warrants 1 $ 1      
Stock-based compensation expense $ 5,199   5,199    
Issuance of shares under employee stock purchase plan (in shares) 204,903        
Issuance of shares under employee stock purchase plan $ 203 $ 1 202    
Reclassification of warrant liability to equity (Note 13) 38,754   38,754    
Net loss (93,867)       (93,867)
Ending balance (in shares) at Dec. 31, 2022   121,667,250      
Ending balance at Dec. 31, 2022 74,051 $ 122 450,786 (119) (376,738)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Issuance of common stock, warrants and prefunded warrants for the purchase of common stock, net of issuance costs (in shares)   34,521,046      
Issuance of common stock, warrants and prefunded warrants for the purchase of common stock, net of issuance costs 60,443 $ 35 60,408    
Vesting of restricted stock units, less shares withheld and retired to satisfy tax obligations (in shares)   3,510,491      
Vesting of restricted stock units, less shares withheld and retired to satisfy tax obligations 0 $ 2 (2)    
Exercise of warrants and prefunded warrants (in shares)   7,477,845      
Exercise of warrants and prefunded warrants 8,813 $ 8 8,805    
Stock-based compensation expense $ 8,687   8,687    
Issuance of shares under employee stock purchase plan (in shares) 257,963        
Issuance of shares under employee stock purchase plan $ 272 272    
Net loss (101,167)     (101,167)
Ending balance (in shares) at Dec. 31, 2023   167,434,595      
Ending balance at Dec. 31, 2023 51,099 $ 167 528,956 (119) (477,905)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Vesting of restricted stock units, less shares withheld and retired to satisfy tax obligations (in shares)   2,876,806      
Vesting of restricted stock units, less shares withheld and retired to satisfy tax obligations 2 $ 3 (1)    
Stock-based compensation expense 8,204   8,204    
Issuance of shares under employee stock purchase plan (in shares)   635,542      
Issuance of shares under employee stock purchase plan 297 $ 1 296    
Unrealized losses on marketable securities (3)     (3)  
Net loss (37,450)       (37,450)
Ending balance (in shares) at Dec. 31, 2024   170,946,943      
Ending balance at Dec. 31, 2024 $ 22,149 $ 171 $ 537,455 $ (122) $ (515,355)