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Note 13 - Earnings Per Share (Tables)
 12 Months Ended
Dec. 31, 2016
Notes Tables  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
 
 
For the Year Ended December 31,
 
 
 
2016
 
 
2015
 
 
2014
 
 
 
(in thousands, except per share data)
 
                         
Net income
   $
11,101
     $
21,436
     $
13,491
  
                         
Basic weighted average common shares outstanding
    
6,627
      
7,288
      
7,990
  
Dilutive effect of common stock equivalents
    
22
      
37
      
44
  
                         
Diluted weighted average common shares outstanding
    
6,649
      
7,325
      
8,034
  
                         
Basic earnings per share
   $
1.68
     $
2.94
     $
1.69
  
                         
Diluted earnings per share
   $
1.67
     $
2.93
     $
1.68