v3.26.1
CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($)
$ in Thousands
Total
Common stock
Additional paid-in capital
Accumulated other comprehensive income (loss)
Accumulated deficit
Beginning balance (in shares) at Dec. 31, 2024   296,600      
Beginning balance at Dec. 31, 2024 $ 52,086 $ 0 $ 783,236 $ 20 $ (731,170)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Net loss (14,366)       (14,366)
Vesting of restricted stock units, net of withholding for tax, and shares issued under employee stock purchase plan (in shares)   2,603      
Vesting of restricted stock units, net of withholding for tax, and shares issued under employee stock purchase plan (109)   (109)    
Stock-based compensation 1,292   1,292    
Cashless exercise of pre-funded warrants ( in shares)   96,272      
Cashless exercise of pre-funded warrants 1   1    
Unrealized losses from marketable securities (22)     (22)  
Ending balance (in shares) at Jun. 30, 2025   395,475      
Ending balance at Jun. 30, 2025 38,882 $ 0 784,420 (2) (745,536)
Beginning balance (in shares) at Mar. 31, 2025   319,190      
Beginning balance at Mar. 31, 2025 44,133 $ 0 783,914 0 (739,781)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Net loss (5,755)       (5,755)
Vesting of restricted stock units, net of withholding for tax, and shares issued under employee stock purchase plan (in shares)   979      
Vesting of restricted stock units, net of withholding for tax, and shares issued under employee stock purchase plan (22)   (22)    
Stock-based compensation 529   529    
Cashless exercise of pre-funded warrants ( in shares)   75,306      
Cashless exercise of pre-funded warrants 0        
Unrealized losses from marketable securities (2)     (2)  
Ending balance (in shares) at Jun. 30, 2025   395,475      
Ending balance at Jun. 30, 2025 $ 38,882 $ 0 784,420 (2) (745,536)
Beginning balance (in shares) at Dec. 31, 2025 666,463 666,463      
Beginning balance at Dec. 31, 2025 $ 27,765 $ 0 785,416 2 (757,653)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Net loss (6,592)       (6,592)
Vesting of restricted stock units, net of withholding for tax, and shares issued under employee stock purchase plan (in shares)   1,864      
Vesting of restricted stock units, net of withholding for tax, and shares issued under employee stock purchase plan (19)   (19)    
Stock-based compensation 910   910    
Unrealized losses from marketable securities $ (2)     (2)  
Ending balance (in shares) at Jun. 30, 2026 668,327 668,327      
Ending balance at Jun. 30, 2026 $ 22,062 $ 0 786,307 0 (764,245)
Beginning balance (in shares) at Mar. 31, 2026   667,057      
Beginning balance at Mar. 31, 2026 24,637 $ 0 785,875 0 (761,238)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Net loss (3,007)       (3,007)
Vesting of restricted stock units, net of withholding for tax, and shares issued under employee stock purchase plan (in shares)   1,270      
Vesting of restricted stock units, net of withholding for tax, and shares issued under employee stock purchase plan (4)   (4)    
Stock-based compensation 436   436    
Unrealized losses from marketable securities $ 0        
Ending balance (in shares) at Jun. 30, 2026 668,327 668,327      
Ending balance at Jun. 30, 2026 $ 22,062 $ 0 $ 786,307 $ 0 $ (764,245)