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Inventory, Net - Schedule of Inventory, Net (Details) - USD ($)
Dec. 31, 2018
Sep. 30, 2018
Inventory Disclosure [Abstract]    
Raw materials $ 9,526,708 $ 8,654,497
Work in progress 1,959,264 1,412,828
Finished goods 2,886,983 2,298,081
Inventory, gross 14,372,955 12,365,406
Less: Allowance for inventory obsolescence (1,010,948) (1,010,948)
Inventory - net of allowance for inventory obsolescence $ 13,362,007 $ 11,354,458