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RELATED PARTY TRANSACTION (Details Narrative) - USD ($)
$ in Thousands
6 Months Ended
Nov. 26, 2016
Nov. 28, 2015
Rental expense $ 1,000 $ 900
IMES [Member]    
Rental expense   $ 100
IMES [Member]    
Rental expense 100  
IMES [Member] | Executive Vice President [Member]    
Total future minimum lease payments $ 600  
Lease term 5 years  
Renewal term 5 years