v3.25.4
RELATED PARTY TRANSACTIONS - Related party loans (Details) - USD ($)
9 Months Ended
Sep. 08, 2023
Apr. 13, 2023
Sep. 30, 2025
Dec. 31, 2024
Sep. 20, 2024
Apr. 18, 2024
Dec. 31, 2023
RELATED PARTY TRANSACTIONS              
Extension promissory note     $ 3,955,175 $ 3,856,641     $ 1,889,768
Due from related party     $ 14,750 $ 13,877     $ 0
Other Receivable, after Allowance for Credit Loss, Current, Related Party, Type [Extensible Enumeration]     Related Party Related Party     Related Party
IX Acquisition Services LLC              
RELATED PARTY TRANSACTIONS              
Due from related party         $ 4,500,000    
Related Party Loans | Sponsor              
RELATED PARTY TRANSACTIONS              
Maximum borrowing capacity of related party loans     $ 1,400,000 $ 1,400,000      
Offering price       $ 11.5      
Related Party Loans | Sponsor | Class A ordinary shares              
RELATED PARTY TRANSACTIONS              
Number of shares issuable per warrant     1 1      
Exercise price of warrant     $ 11.5 $ 11.5      
Price of warrant     $ 1 $ 1      
Loan conversion agreement warrant     $ 1,400,000 $ 1,400,000      
Entity price     $ 1 $ 1      
Principal amount of promissory note     $ 1,400,000 $ 1,400,000      
Related Party Loans | Sponsor | Class A ordinary shares | Working capital loans warrant              
RELATED PARTY TRANSACTIONS              
Other liabilities     $ 0 $ 0     $ 0
Working Capital Loans              
RELATED PARTY TRANSACTIONS              
Entity price   $ 1          
Extension Promissory Note | Sponsor              
RELATED PARTY TRANSACTIONS              
Maximum borrowing capacity of related party loans   $ 1,000,000          
Interest rate   0.00%          
Amended and Restated Extension Promissory Note | Sponsor              
RELATED PARTY TRANSACTIONS              
Interest rate 0.00%            
Principal amount of promissory note $ 2,500,000            
Amended and Restated Extension Promissory Note | Sponsor | Private Placement Warrants              
RELATED PARTY TRANSACTIONS              
Exercise price of warrant $ 1   $ 1 $ 1      
Unpaid principal balance converted into warrants $ 1,500,000   $ 1,500,000        
Promissory Note with Related Party | Sponsor              
RELATED PARTY TRANSACTIONS              
Principal amount of promissory note           $ 3,500,000