v3.26.1
Acquisition of Alpha Mind (Details)
¥ in Thousands, $ in Thousands
Jun. 24, 2024
USD ($)
Dec. 28, 2023
USD ($)
Dec. 28, 2023
CNY (¥)
Mar. 31, 2026
USD ($)
Mar. 31, 2026
CNY (¥)
Sep. 30, 2025
CNY (¥)
Dec. 28, 2023
CNY (¥)
Acquisition of Alpha Mind [Line Items]              
Goodwill       $ 3,375 ¥ 23,283 ¥ 23,283  
Alpha Mind [Member]              
Acquisition of Alpha Mind [Line Items]              
Percentage of issued and outstanding shares   100.00%         100.00%
Total consideration   $ 180,000         ¥ 1,299,654
Outstanding principal amount $ 27,342            
Goodwill   $ 177,862         ¥ 1,284,218
Alpha Mind [Member] | Promissory Note [Member]              
Acquisition of Alpha Mind [Line Items]              
Maturity days   90 days 90 days        
Interest rate   3.00% 3.00%        
Alpha Mind [Member] | MMTEC, Inc. [Member] | Promissory Note [Member]              
Acquisition of Alpha Mind [Line Items]              
Issued amount   $ 153,000 ¥ 1,104,706        
Alpha Mind [Member] | Burgeon Capital, Inc. [Member] | Promissory Note [Member]              
Acquisition of Alpha Mind [Line Items]              
Issued amount   $ 27,000 ¥ 194,948        
USD [Member]              
Acquisition of Alpha Mind [Line Items]              
Exchange rate       0.01 0.01    
USD [Member] | Alpha Mind [Member]              
Acquisition of Alpha Mind [Line Items]              
Exchange rate   0.01         0.01
RMB [Member]              
Acquisition of Alpha Mind [Line Items]              
Exchange rate       0.06898 0.06898    
RMB [Member] | Alpha Mind [Member]              
Acquisition of Alpha Mind [Line Items]              
Exchange rate   0.072203         0.072203