v3.26.1
Long-term investments (Details 2) - USD ($)
 5 Months Ended 12 Months Ended
Sep. 30, 2025
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2022
Total assets $ 107,314,411 $ 107,314,411 $ 98,362,506    
Total liabilities 5,342,105 5,342,105 1,450,089    
Total equity 101,972,306 101,972,306 96,912,417 $ 103,562,234 $ 63,782,326
Total revenue   35,573,432 50,957,974 57,899,096  
Total expenses   11,622,998 12,307,494 6,967,069  
Total net loss   (11,142,007) $ (14,040,769) $ (5,625,740)  
Equity Methord Investment [Member]          
Total assets 111,063,325 111,063,325      
Total liabilities 289,648 289,648      
Total equity 110,773,677 110,773,677      
Total revenue $ 0 0      
Total expenses   1,181,006      
Total net loss   $ 1,181,006