v3.26.1
DEPOSIT ON LONG-TERM INVESTMENT (Details) - Shanghai Kesheng
¥ in Millions
May 12, 2026
USD ($)
Jan. 06, 2026
USD ($)
Jan. 06, 2026
CNY (¥)
LONG-TERM INVESTMENT      
Long-term investment | ¥     ¥ 280
Impairment | ¥     ¥ 0
Naiside      
LONG-TERM INVESTMENT      
Percentage of interest in partnership investment (in %)   7.00% 7.00%
Minimum portfolio investment   $ 700,000  
Maximum portfolio investment   $ 7,000,000  
Management fee fund percentage   2.00% 2.00%
Percentage entitled to partners on net profits   30.00% 30.00%
Naiside | Subsequent Event      
LONG-TERM INVESTMENT      
Capital contributions made $ 40,131,287