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Note 13 - Earnings Per Share
 12 Months Ended
Dec. 31, 2017
Notes to Financial Statements  
Earnings Per Share [Text Block]
13.
EARNINGS PER SHARE
 
Basic earnings per common share was computed by dividing net income by the weighted average number of shares outstanding during the period. Diluted earnings per common share was calculated as follows:
 
   
For the Year Ended December 31,
  
   
201
7
    
201
6
    
201
5
  
   
(in thousands, except per share data)
  
                         
Net income
   $
38,899
     $
11,101
     $
21,436
  
                         
Basic weighted average common shares outstanding
    
6,331
      
6,627
      
7,288
  
Dilutive effect of common stock equivalents
    
67
      
22
      
37
  
                         
Diluted weighted average common shares outstanding
    
6,398
      
6,649
      
7,325
  
                         
Basic earnings per share
   $
6.14
     $
1.68
     $
2.94
  
                         
Diluted earnings per share
   $
6.08
     $
1.67
     $
2.93