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Property and Equipment, Net (Details) - USD ($)
12 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2018
Property, Plant and Equipment [Abstract]      
Depreciation expense $ 1,018,856 $ 944,036 $ 599,045
Proceeds from disposal of property and equipment 1,135,964 206,355
Gain on disposal of property and equipment $ 542,320 $ 143,857