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Statements of Stockholders' Equity - USD ($)
shares in Thousands, $ in Thousands
Total
Common Stock
Additional Paid-in Capital
Accumulated Deficit
Balances at Dec. 31, 2022 $ 20,606 $ 78 $ 387,948 $ (367,420)
Common Stock Balance, Shares at Dec. 31, 2022   77,614    
Issuance of common stock, net, Shares   17,352    
Issuance of common stock, net 28,003 $ 17 27,986  
Issuance of common stock under employee stock purchase plan, Shares   437    
Issuance of common stock under employee stock purchase plan 643   643  
Exercise of stock options, shares   123    
Exercise of stock options 91   91  
Release of restricted stock units, shares   710    
Release of restricted stock units 1 $ 1    
Issuance of First Amendment warrants 674   674  
Reclassification of Tranche B warrants to additional paid-in capital 1,335   1,335  
Share-based compensation 5,373   5,373  
Net Income (Loss) (52,146)     (52,146)
Balances at Dec. 31, 2023 4,580 $ 96 424,050 (419,566)
Common Stock Balance, Shares at Dec. 31, 2023   96,236    
Issuance of common stock, net, Shares   17,706    
Issuance of common stock, net 18,790 $ 18 18,772  
Issuance of common stock under employee stock purchase plan, Shares   471    
Issuance of common stock under employee stock purchase plan $ 625   625  
Exercise of stock options, shares 31 31    
Exercise of stock options $ 25   25  
Release of restricted stock units, shares   613    
Release of restricted stock units   $ 1 (1)  
Conversion of Series A preferred stock to common stock, net, Shares   30,435    
Conversion of Series A preferred stock to common stock, net 33,149 $ 30 33,119  
Share-based compensation 6,638   6,638  
Net Income (Loss) (42,931)     (42,931)
Balances at Dec. 31, 2024 $ 20,876 $ 145 $ 483,228 $ (462,497)
Common Stock Balance, Shares at Dec. 31, 2024   145,492