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STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($)
$ in Thousands
Total
Common Stock
Voting Common Stock
Common Stock
Non-voting Common Stock
Additional Paid-in Capital
Accumulated Other Comprehensive Income (Loss)
Accumulated Deficit
Beginning balance at Dec. 31, 2022 $ 195,437 $ 4 $ 1 $ 531,682 $ (1,692) $ (334,558)
Beginning balance (shares) at Dec. 31, 2022   36,496,994 11,402,037      
Issuance of common stock and prefunded warrants, net of issuance costs of $2.8 million 135,290     135,290    
Issuance of common stock and prefunded warrants, net of issuance costs of $2.8 million (shares)   5,312,978 1,448,222      
Issuance of common stock upon exercise of stock options & vesting of RSUs 30     30    
Issuance of common stock upon exercise of stock options & vesting of RSUs, (shares)   84,166        
Issuance of common stock under ESPP 634     634    
Issuance of common stock under ESPP, (shares)   169,857        
Unrealized gain (loss) on marketable securities, net of tax 1,915       1,915  
Stock-based compensation expense, net of forfeitures of restricted stock 25,616     25,616    
Net Income (Loss) (121,832)         (121,832)
Ending balance at Dec. 31, 2023 237,090 $ 4 $ 1 693,252 223 (456,390)
Ending balance (shares) at Dec. 31, 2023   42,063,995 12,850,259      
Issuance of common stock upon exercise of stock options & vesting of RSUs 6     6    
Issuance of common stock upon exercise of stock options & vesting of RSUs, (shares)   42,000        
Issuance of common stock under ESPP 379     379    
Issuance of common stock under ESPP, (shares)   192,864        
Unrealized gain (loss) on marketable securities, net of tax (188)       (188)  
Stock-based compensation expense, net of forfeitures of restricted stock 21,345     21,345    
Net Income (Loss) (127,173)         (127,173)
Ending balance at Dec. 31, 2024 $ 131,459 $ 4 $ 1 $ 714,982 $ 35 $ (583,563)
Ending balance (shares) at Dec. 31, 2024   42,298,859 12,850,259