Note 10 - Share-based Employee Compensation (Tables)
 12 Months Ended
Jun. 06, 2017
Notes Tables  
Share-based Compensation, Stock Options, Activity [Table Text Block]
   
 
 
Stock Options
    
Weighted
Average
Exercise
Price
    
Weighted Average
Remaining Contractual
Term (years)
    
 
 
Aggregate
Intrinsic Value
  
Service-based vesting:
                                
Outstanding at beginning of year
    
2,066
     $
7.89
      
 
          
Granted
    
1,126
      
3.46
      
 
          
Cancellations and forfeitures
    
(50
)
    
4.49
      
 
          
Expired
    
(1,448
)
    
6.66
      
 
          
Outstanding at end of year
    
1,694
     $
6.09
      
2.93
     $ –  
Exercisable at end of year
    
1,224
     $
7.00
      
1.72
     $ –  
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
   
2017
    
2015
  
Risk-free interest rate
    
1.08
%
    
1.48
%
Expected dividend yield
    
0
%
    
0
%
Expected stock price volatility
    
41.19
%
    
44.27
%
Expected life (in years)
    
4.34
      
4.50
  
Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block]
   
2017
  
   
 
 
Shares
    
Weighted
Average
Fair Value
  
Service-Based Vesting:
                
Unvested at beginning of year
  
 
564
    
$
6.29
  
Granted
  
 
680
    
 
3.10
  
Vested
  
 
(618
)
  
 
5.70
  
Cancellations and forfeitures
  
 
(45
)
  
 
5.61
  
Unvested at end of year
  
 
581
    
$
3.24
  
                 
Performance-Based Vesting:
                
Unvested at beginning of year
  
 
225
    
$
6.51
  
Cancellations and forfeitures
  
 
(108
)
  
 
6.51
  
Unvested at end of year
  
 
117
    
$
6.51
  
Schedule of Share based Compensation Phantom Stock Units Activity [Table Text Block]
   
Phantom
Stock Units
  
Service-Based Vesting:
        
Unvested at beginning of year
  
 
–
  
Granted
  
 
652
  
Vested
  
 
(76
)
Unvested at end of year
  
 
576
  
         
Performance-Based Vesting:
        
Unvested at beginning of year
  
 
–
  
Granted
  
 
598
  
Cancellations and forfeitures
  
 
(300
)
Unvested at end of year
  
 
298