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Note 7 - Earnings Per Share (Tables)
 12 Months Ended
Mar. 01, 2020
Notes Tables  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
   
Fiscal Year
  
(Amounts in thousands, except per share amounts)
  
2020
    
2019
    
2018
  
                         
Net earnings - continuing operations
  
$
10,205
    
$
6,306
    
$
18,472
  
Net (loss) earnings - discontinued operations
  
 
(653
)
  
 
107,239
    
 
2,123
  
Net earnings
  
$
9,552
    
$
113,545
    
$
20,595
  
                         
Weighted average common shares outstanding for basic EPS
    
20,507
      
20,288
      
20,237
  
Net effect of dilutive options
    
88
      
97
      
30
  
Weighted average shares outstanding for diluted EPS
  
 
20,595
    
 
20,385
    
 
20,267
  
                         
Basic earnings per share - continuing operations
   $
0.50
     $
0.31
     $
0.91
  
Basic (loss) earnings per share - discontinued operations
    
(0.03
 )    
5.29
      
0.11
  
Basic earnings per share
  
$
0.47
    
$
5.60
    
$
1.02
  
                         
Diluted earnings per share - continuing operations
   $
0.50
     $
0.31
     $
0.91
  
Diluted (loss) earnings per share - discontinued operations
    
(0.03
 )    
5.26
      
0.11
  
Diluted earnings per share
  
$
0.47
    
$
5.57
    
$
1.02