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Note 3 - Common Stock Outstanding and Earnings Per Share (Tables)
 6 Months Ended
Jun. 30, 2017
Notes Tables  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
 
 
For the Three Months Ended
 
 
For the Six Months Ended
 
(Amounts in thousands, except per share information)
 
June 30,
 
 
June 30,
 
Earnings Per Share
 
2017
 
 
2016
 
 
2017
 
 
2016
 
Numerators:
                                
Net income
   $
2,209
     $
1,556
     $
4,461
     $
596
  
Denominators:
                                
Weighted average number of common shares outstanding - basic
    
15,014
      
13,367
      
14,220
      
13,364
  
Effect of potentially dilutive common shares
(1)
    
99
      
58
      
101
      
44
  
Weighted average number of common shares outstanding - diluted
    
15,113
      
13,425
      
14,321
      
13,408
  
Earnings per common share:
                                
Basic
   $
0.15
     $
0.11
     $
0.31
     $
0.04
  
Diluted
   $
0.15
     $
0.11
     $
0.31
     $
0.04
  
Anti-dilutive options not included in diluted earnings per share calculation
    
68
      
116
      
77
      
116
  
Anti-dilutive restricted shares not included in diluted earnings per share calculation
    
45
      
—
      
44
      
41