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INVENTORIES (Tables)
9 Months Ended
Dec. 29, 2017
Inventory Disclosure [Abstract]  
Schedule of inventories

Inventories were comprised of the following:

 

   Dec. 29,   March 31, 
   2017   2017 
         
Raw materials  $6,306,416   $5,263,317 
Work in progress   1,029,908    859,558 
Finished goods   3,071,078    2,563,113 
   $10,407,402   $8,685,988