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INVENTORIES: (Details) - USD ($)
Mar. 31, 2017
Mar. 25, 2016
Inventory Disclosure [Abstract]    
Raw materials $ 5,263,317 $ 4,844,510
Work in progress 859,558 596,371
Finished goods 2,563,113 1,809,419
Inventories $ 8,685,988 $ 7,250,300