v3.26.1
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Convertible Promissory Notes - Related Parties, Fair Value (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Aug. 01, 2025
Mar. 31, 2026
Dec. 31, 2025
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES      
Change in fair value of convertible promissory notes   $ 1,407 $ 4,389
August 2025 notes      
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES      
Aggregate amount of loan $ 10,000    
Non-cash financing costs 4,500    
Non-cash issuance cost $ 108    
Change in fair value of convertible promissory notes   $ 300 $ (4,389)