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INVENTORIES: (Tables)
12 Months Ended
Mar. 30, 2018
Inventory Disclosure [Abstract]  
Schedule of inventories

Inventories are comprised of the following:

 

   March 30,   March 31, 
   2018   2017 
         
Raw materials  $6,644,436   $5,263,317 
Work in progress   2,288,115    859,558 
Finished goods   1,818,946    2,563,113 
           
   $10,751,497   $8,685,988