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Note 7 - Earnings Per Share (Tables)
 6 Months Ended
Aug. 27, 2017
Notes Tables  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
   
13 Weeks Ended
    
26 Weeks Ended
  
   
August 27,
2017
    
August 28,
2016
    
August 27,
2017
    
August 28,
2016
  
                                 
Net earnings
  
$
520
    
$
1,981
    
$
1,914
    
$
4,931
  
                                 
Weighted average common shares outstanding for basic EPS
    
20,236
      
20,235
      
20,236
      
20,235
  
Net effect of dilutive options
    
14
      
-
      
11
      
-
  
Weighted average shares outstanding for diluted EPS
  
 
20,250
    
 
20,235
    
 
20,247
    
 
20,235
  
 
  
 
 
 
  
 
 
 
  
 
 
 
  
 
 
 
Basic earnings per share
  
$
0.03
    
$
0.10
    
$
0.09
    
$
0.24
  
                                 
Diluted earnings per share
  
$
0.03
    
$
0.10
    
$
0.09
    
$
0.24