v3.26.1
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Selling, general and administrative, research and development expense (Details) - USD ($)
12 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2023
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES      
Selling expense $ 735,031 $ 592,839 $ 961,679
General and administrative expense 17,485,423 2,724,188 2,831,444
Research and development expense 672,669 1,361,499 568,470
Total $ 18,893,123 $ 4,678,526 $ 4,361,593