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INVENTORIES (Details) - USD ($)
Sep. 29, 2017
Mar. 31, 2017
Inventory Disclosure [Abstract]    
Raw materials $ 5,717,485 $ 5,263,317
Work in progress 933,729 859,558
Finished goods 2,784,282 2,563,113
Inventories $ 9,435,496 $ 8,685,988