v3.26.1
STOCKHOLDERS' EQUITY - Summary of Stock Option Activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
 6 Months Ended 12 Months Ended
Jun. 30, 2026
Dec. 31, 2025
Dec. 31, 2024
Mar. 31, 2026
Number of Option Shares        
Outstanding at beginning of period (in shares) 628,280 529,342    
Granted (in shares) 32,360 224,179    
Forfeited (in shares) (11,404) (51,758)    
Expired (in shares) (13,317) (73,483)    
Exercised (in shares) (14,087) 0    
Outstanding at ending of period (in shares) 621,832 628,280 529,342  
Options exercisable at ending of period (in shares) 456,345 399,047    
Weighted-Average Exercise Price        
Outstanding at beginning of period (in dollars per share) $ 43.42 $ 62.83    
Granted (in dollars per share) 4.45 5.87    
Forfeited (in dollars per share) 15.7 32.54    
Expired (in dollars per share) 93.52 76.34    
Exercised (in dollars per share) 8.56 0    
Outstanding at ending of period (in dollars per share) 41.62 43.42 $ 62.83  
Options exercisable at ending of period (in dollars per share) $ 51.43 $ 58.72    
Weighted-Average Contractual Term (in years) and Aggregate Intrinsic Value (in thousand)        
Outstanding, Weighted-Average Contractual Term (in years) 3 years 1 month 6 days 7 years 7 months 6 days 7 years 9 months 18 days  
Options exercisable, Outstanding, Weighted-Average Contractual Term (in years) 2 years 7 months 6 days 7 years 1 month 6 days    
Outstanding, Aggregate Intrinsic Value $ 2,348 $ 89 $ 0  
Options exercisable, Aggregate Intrinsic Value $ 1,300 $ 0   $ 1,260