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Note 13 - Earnings Per Share (Tables)
 12 Months Ended
Dec. 31, 2020
Notes Tables  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
Year ended December 31,
(in thousands, except per share data)
  
20
20
    
201
9
  
Basic
 
 
 
 
  
 
 
 
Net income
   $
8,161
     $
10,969
  
Weighted average common shares outstanding
    
8,920
      
8,873
  
Earnings per share
   $
0.91
     $
1.24
  
                 
Diluted
 
 
 
 
  
 
 
 
Net income
   $
8,161
     $
10,969
  
Weighted average common shares outstanding
    
8,920
      
8,873
  
Effect of dilutive potential common shares: stock options
    
95
      
95
  
Total
    
9,015
      
8,968
  
Earnings per share
   $
0.91
     $
1.22