v3.26.1
STOCK AWARD PLAN AND STOCK-BASED COMPENSATION - Stock Option Activity for Employees and Non-Employees (Details) - Employees and Non-Employees Stock Option - USD ($)
$ / shares in Units, $ in Thousands
 6 Months Ended 12 Months Ended
Jun. 30, 2026
Dec. 31, 2025
Shares Issuable Pursuant to Stock Options    
Outstanding at the beginning of period (in shares) 8,173,509  
Granted (in shares) 5,288,669  
Cancelled/Forfeited (in shares) (34,375)  
Expired (in shares) (4,686)  
Outstanding at the end of the period (in shares) 13,423,117 8,173,509
Exercisable at the end of the period (in shares) 2,658,080  
Available for future grant (in shares) 624,906  
Weighted-Average Exercise Price    
Outstanding at the beginning of period (in dollars per share) $ 4.73  
Granted (in dollars per share) 5.1  
Cancelled/forfeited (in dollars per share) 41.24  
Expired (in dollar per share) (81.6)  
Outstanding at the end of the period (in dollars per share) 4.75 $ 4.73
Exercisable at the end of the period (in dollars per share) $ 5.69  
Weighted-Average Remaining Contractual Term Outstanding (Years) 8 years 7 months 6 days 9 years 6 months
Weighted-Average Remaining Contractual Term Exercisable (Years) 4 years 7 months 6 days  
Total Intrinsic Value Outstanding at the end of period $ 16,221 $ 1,270
Total Intrinsic Value Exercisable $ 3,826