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RELATED PARTY TRANSACTION (Details Narrative) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Oct. 16, 2014
May 27, 2017
May 28, 2016
May 30, 2015
Rental expense   $ 1,900 $ 2,000 $ 1,800
Richardson Wildlife Foundation [Member] | Common Class B [Member]        
Number of shares repurchased 50,000      
Negotiated share price repurchased $ 9.91      
Lessor - LDL, LLC [Member] | Lee A. McIntyre III [Member]        
Total future minimum lease payments   $ 400    
Lease term   5 years    
Renewal term   5 years    
Rental expense   $ 100 $ 100