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Inventory, Net - Schedule of Inventory, Net (Details) - USD ($)
Sep. 30, 2019
Sep. 30, 2018
Inventory Disclosure [Abstract]    
Raw materials $ 4,917,700 $ 8,654,497
Work in progress 543,857 1,412,828
Finished goods 3,683,810 2,298,081
Inventory, gross 9,145,367 12,365,406
Less: Allowance for inventory obsolescence (3,938,212) (1,010,948)
Inventory - net of allowance for inventory obsolescence $ 5,207,155 $ 11,354,458