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Inventory, Net - Schedule of Inventory, Net (Details) - USD ($)
Mar. 31, 2019
Sep. 30, 2018
Inventory Disclosure [Abstract]    
Raw materials $ 9,721,220 $ 8,654,497
Work in progress 1,966,159 1,412,828
Finished goods 6,851,645 2,298,081
Inventory, gross 18,539,024 12,365,406
Less: Allowance for inventory obsolescence (972,672) (1,010,948)
Inventory - net of allowance for inventory obsolescence $ 17,566,352 $ 11,354,458