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INVENTORIES (Details) - USD ($)
Dec. 28, 2018
Mar. 30, 2018
Inventory Disclosure [Abstract]    
Raw materials $ 7,063,374 $ 6,644,436
Work in progress 2,432,383 2,288,115
Finished goods 1,933,633 1,818,947
Inventories $ 11,429,390 $ 10,751,498