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Inventory, Net - Schedule of Inventory, Net (Details) - USD ($)
Jun. 30, 2019
Sep. 30, 2018
Inventory Disclosure [Abstract]    
Raw materials $ 9,135,022 $ 8,654,497
Work in progress 1,952,284 1,412,828
Finished goods 5,629,301 2,298,081
Inventory, gross 16,716,607 12,365,406
Less: Allowance for inventory obsolescence (985,479) (1,010,948)
Inventory - net of allowance for inventory obsolescence $ 15,731,128 $ 11,354,458