v3.26.1
Property, Plant and Equipment, Net (Details) - USD ($)
6 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Sep. 30, 2025
Property, Plant and Equipment, Net [Line Items]      
Construction-in-progress design fee $ 11,139,204   $ 10,487,306
Depreciation expense 223,202 $ 246,293  
Construction-in-Progress [Member]      
Property, Plant and Equipment, Net [Line Items]      
Construction-in-progress design fee $ 27,940   $ 35,458