v3.26.1
Consolidated Statements of Stockholders' Equity (Deficit) - USD ($)
$ in Thousands
Total
Common Stock
Company Common Stock Held by the NQDC Plan
Additional Paid-in Capital
Accumulated Other Comprehensive Income (Loss)
Accumulated Deficit
Beginning Balance at Dec. 31, 2024 $ 4,499 $ 3 $ (1,319) $ 367,568 $ (1,939) $ (359,814)
Beginning balance, shares at Dec. 31, 2024   26,354,042        
Net loss (23,779)         (23,779)
Stock-based compensation 5,346     5,346    
Vesting of restricted stock units, shares   62,116        
Exercise of stock options, values 374     374    
Exercise of stock options, shares   68,125        
ESPP purchase, values 548     548    
ESPP purchase, shares   114,787        
Distribution of Company common stock held by the NQDC Plan 174   159 15    
Vesting of Company common stock held by the NQDC Plan     (136) 136    
Vesting of Company common stock held by the NQDC Plan, shares   14,608        
Change in redemption value of share awards in NQDC Plan 86     86    
Net unrealized gain (loss) on marketable securities (14)       (14)  
Change in fair value due to credit risk on loan facility (126)       (126)  
Ending Balance at Jun. 30, 2025 (12,892) $ 3 (1,296) 374,073 (2,079) (383,593)
Ending Balance, shares at Jun. 30, 2025   26,613,678        
Beginning Balance at Mar. 31, 2025 (4,571) $ 3 (1,308) 370,820 (413) (373,673)
Beginning balance, shares at Mar. 31, 2025   26,434,658        
Net loss (9,920)         (9,920)
Stock-based compensation 2,671     2,671    
Vesting of restricted stock units, shares   62,116        
Exercise of stock options, values 11     11    
Exercise of stock options, shares   2,117        
ESPP purchase, values 548     548    
ESPP purchase, shares   114,787        
Distribution of Company common stock held by the NQDC Plan 12   12      
Change in redemption value of share awards in NQDC Plan 23     23    
Net unrealized gain (loss) on marketable securities 1       1  
Change in fair value due to credit risk on loan facility (1,667)       (1,667)  
Ending Balance at Jun. 30, 2025 (12,892) $ 3 (1,296) 374,073 (2,079) (383,593)
Ending Balance, shares at Jun. 30, 2025   26,613,678        
Beginning Balance at Dec. 31, 2025 (16,650) $ 3 (1,293) 394,408 (1,367) (408,401)
Beginning balance, shares at Dec. 31, 2025   30,571,662        
Net loss (18,274)         (18,274)
Issuance of common stock due to exercise of penny warrants 718     718    
Issuance of common stock due to exercise of penny warrants, shares   144,895        
Stock-based compensation $ 3,089     3,089    
Vesting of restricted stock units, shares   67,048        
Exercise of stock options, shares 0          
ESPP purchase, values $ 437     437    
ESPP purchase, shares   143,242        
Distribution of Company common stock held by the NQDC Plan 267   668 (401)    
Reclassification of warrant liability to equity due to issuance 1,290     1,290    
Net unrealized gain (loss) on marketable securities (4)       (4)  
Change in fair value due to credit risk on loan facility 1,289       1,289  
Ending Balance at Jun. 30, 2026 (27,838) $ 3 (625) 399,541 (82) (426,675)
Ending Balance, shares at Jun. 30, 2026   30,926,847        
Beginning Balance at Mar. 31, 2026 (23,166) $ 3 (635) 395,830 648 (419,012)
Beginning balance, shares at Mar. 31, 2026   30,776,689        
Net loss (7,663)         (7,663)
Stock-based compensation 1,988     1,988    
Vesting of restricted stock units, shares   6,916        
ESPP purchase, values 437     437    
ESPP purchase, shares   143,242        
Distribution of Company common stock held by the NQDC Plan 6   10 (4)    
Reclassification of warrant liability to equity due to issuance 1,290     1,290    
Net unrealized gain (loss) on marketable securities 1       1  
Change in fair value due to credit risk on loan facility (731)       (731)  
Ending Balance at Jun. 30, 2026 $ (27,838) $ 3 $ (625) $ 399,541 $ (82) $ (426,675)
Ending Balance, shares at Jun. 30, 2026   30,926,847