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Note 5 - Intangible Assets (Tables)
 12 Months Ended
May 27, 2018
Notes Tables  
Schedule of Finite-Lived Intangible Assets [Table Text Block]
   
Trademarks and
Trade names
    
Customer
Relationships
    
Total
  
Balance as of May 31, 2015
    
48,428
      
7,835
      
56,263
  
Impairment during the period
    
(34,000
)
    
—
      
(34,000
)
Amortization expense
    
—
      
(867
)
    
(867
)
Balance as of May 29, 2016
    
14,428
      
6,968
      
21,396
  
Additions during the period
    
1,600
      
700
      
2,300
  
Amortization expense
    
—
      
(885
)
    
(885
)
Balance as of May 28, 2017
    
16,028
      
6,783
      
22,811
  
Amortization expense
    
—
      
(969
 )    
(969
 )
Balance as of May 27, 2018
   $
16,028
     $
5,814
     $
21,842