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Note 2 - Loss Per Share (Tables)
 3 Months Ended
Sep. 05, 2017
Notes Tables  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
   
Thirteen weeks ended
  
   
September 5, 2017
    
August 30, 2016
  
Net loss
   $
(9,846
)
   $
(39,692
)
                 
Weighted average common shares outstanding
    
60,411
      
59,790
  
Dilutive effect of stock options and restricted stock
    
–
      
–
  
Weighted average common and dilutive potential
common shares outstanding
    
60,411
      
59,790
  
                 
Basic net loss per share
   $
(0.16
)
   $
(0.66
)
Diluted net loss per share
   $
(0.16
)
   $
(0.66
)
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]
   
Thirteen weeks ended
  
   
September 5, 2017
    
August 30, 2016
  
Stock options
    
1,293
      
2,393
  
Restricted stock / Restricted stock units
    
635
      
758
  
Total
    
1,928
      
3,151