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DESCRIPTION OF THE COMPANY (Details Narrative)
$ in Thousands
12 Months Ended
May 27, 2017
USD ($)
Segment
May 28, 2016
USD ($)
Number of operating segments | Segment 3  
Number of reportable segments | Segment 3  
Supplier concentration accounts payable $ 15,933 $ 14,896
Supplier Concentration [Member]    
Concentration (percent) 14.00% 15.00%
Supplier concentration accounts payable $ 2,300 $ 2,200
Accounts Receivable [Member]    
Customer concentration accounts receivable $ 3,800  
Concentration (percent) 15.00%  
Accounts Receivable [Member] | Maximum [Member]    
Concentration (percent) 10.00%