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Note 11 - Share Based Compensation (Tables)
 12 Months Ended
Dec. 29, 2018
Notes Tables  
Schedule of Nonvested Restricted Stock Units Activity [Table Text Block]
   
Number of
Time-Based
Restricted
Stock Units
    
Weighted
Average
Grant Date Fair
Value per Share
  
Outstanding non-vested at December 30, 2017
    
87,034
     $
5.88
  
Granted
    
95,372
     $
4.05
  
Vested
    
(29,195
)
   $
6.85
  
Forfeited or expired
    
(5,839
)
   $
6.85
  
Outstanding non-vested at December 29, 2018
    
147,372
     $
4.33
  
   
Number of
Performance-Based
Restricted
Stock Units
(in thousands)
    
 
Weighted
Average
Grant Date Fair
Value per Share
  
Outstanding non-vested at December 30, 2017
    
400
     $
5.11
  
Granted
    
240
     $
5.33
  
Vested
    
-
      
-
  
Forfeited or expired
    
(440
)
   $
5.29
  
Outstanding non-vested at December 29, 2018
    
200
     $
5.06
  
   
Number of Restricted
Stock Units
(in thousands)
    
Weighted Average
Grant Date Fair
Value per Share
  
Outstanding non-vested at December 31, 2016
    
398
     $
6.34
  
Granted – time-based vesting
    
87
     $
5.88
  
Granted – performance-based vesting
    
200
     $
4.85
  
Vested
    
(198
)
   $
7.33
  
Forfeited or expired
    
-
      
-
  
Outstanding non-vested at December 30, 2017
    
487
     $
5.24
  
Granted – time-based vesting
    
95
     $
4.05
  
Granted – performance-based vesting
    
240
     $
5.33
  
Vested
    
(29
)
   $
6.85
  
Forfeited or expired
    
(446
)
   $
5.32
  
Outstanding non-vested at December 29, 2018
    
347
     $
4.74