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Inventory, Net - Schedule of Inventory, Net (Details) - USD ($)
Sep. 30, 2018
Sep. 30, 2017
Inventory Disclosure [Abstract]    
Raw materials $ 8,654,497 $ 10,653,963
Work in progress 1,412,828 2,600,229
Finished goods 2,298,081 4,428,791
Inventory, gross 12,365,406 17,682,983
Less: Allowance for inventory obsolescence (1,010,948) (411,101)
Inventory - net of allowance for inventory obsolescence $ 11,354,458 $ 17,271,882