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Note 13 - Earnings Per Share (Tables)
 6 Months Ended
Jun. 30, 2018
Notes Tables  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
   
Three Months Ended
    
Six Months Ended
  
   
June 30
    
June 30
  
   
2018
    
2017
    
2018
    
2017
  
                                 
Numerator
  
 
 
 
  
 
 
 
  
 
 
 
  
 
 
 
Net Income Available to Common Stockholders
  
$
3,069
    $
2,433
    
$
6,257
    $
4,339
  
                                 
Denominator
  
 
 
 
  
 
 
 
  
 
 
 
  
 
 
 
Weighted Average Number of Common Shares Outstanding for Basic Earnings Per Common Share
  
 
8,439
     
8,439
    
 
8,439
     
8,439
  
                                 
Dilutive Effect of Potential Common Stock
                                
Restricted Stock
  
 
-
     
-
    
 
-
     
-
  
Stock Warrants
  
 
173
     
191
    
 
196
     
193
  
Weighted-Average Number of Shares Outstanding for Diluted Earnings Per Common Share
  
 
8,612
     
8,630
    
 
8,635
     
8,632
  
                                 
Earnings Per Share - Basic
  
$
0.36
    $
0.29
    
$
0.74
    $
0.51
  
                                 
Earnings Per Share - Diluted
  
$
0.36
    $
0.28
    
$
0.72
    $
0.50