v3.26.1
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Liquidity and Capital Resources (Details) - USD ($)
3 Months Ended 12 Months Ended
Mar. 31, 2026
Dec. 31, 2025
Dec. 31, 2024
Oct. 31, 2024
Related Party        
SIGNIFICANT ACCOUNTING POLICIES        
Aggregate amount of loan $ 18,889,000      
Cartesian Growth Corporation III        
SIGNIFICANT ACCOUNTING POLICIES        
Cash 396,210 $ 624,163 $ 0  
Working capital 877,955 94,730    
Cartesian Growth Corporation III | Sponsor | Promissory Notes | Loans by Sponsor | Maximum        
SIGNIFICANT ACCOUNTING POLICIES        
Aggregate amount of loan 250,000 250,000    
Cartesian Growth Corporation III | Sponsor | Working Capital Loans | Loans by Sponsor | Maximum | Post Business Combination Entity        
SIGNIFICANT ACCOUNTING POLICIES        
Working capital loan convertible to Warrants $ 1,500,000 $ 1,500,000    
Debt conversion, price per warrant (in dollar per share) $ 1 $ 1    
Outstanding amount of working capital loan $ 0 $ 0 $ 0 $ 0