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NOTE 18 - CONSOLIDATED QUARTERLY DATA (Unaudited- see accompanying accountant's report.) (Tables)
 12 Months Ended
Jan. 28, 2018
Quarterly Financial Information Disclosure [Abstract]  
Quarterly Financial Information [Table Text Block]
   
Fiscal Quarter
  
   
First
    
Second
    
Third
    
Fourth
  
2018
                        
Net sales
  
$
130,872
    
$
156,308
    
$
157,934
    
$
175,518
  
Cost of sales
    
102,729
      
123,191
      
123,656
      
136,239
  
Gross profit
    
28,143
      
33,117
      
34,278
      
39,279
  
Selling and administrative expenses
    
20,701
      
20,989
      
22,449
      
23,110
  
Net income
    
4,746
      
7,778
      
7,202
      
8,524
  
Basic earnings per share
  
$
0.41
    
$
0.67
    
$
0.62
    
$
0.72
  
Diluted earnings per share
  
$
0.41
    
$
0.67
    
$
0.61
    
$
0.72
  
2017
                                
Net sales
  
$
121,831
    
$
136,163
    
$
145,298
    
$
173,927
  
Cost of sales
    
95,232
      
107,685
      
114,372
      
133,809
  
Gross profit
    
26,599
      
28,478
      
30,926
      
40,118
  
Selling and administrative expenses
    
20,944
      
19,441
      
20,653
      
22,729
  
Net income
    
2,500
      
5,349
      
6,459
      
10,979
  
Basic earnings per share
  
$
0.22
    
$
0.46
    
$
0.56
    
$
0.95
  
Diluted earnings per share
  
$
0.22
    
$
0.46
    
$
0.56
    
$
0.94