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Note 10 - Shares 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
 
 
 
June 30,
 
 
June 30,
 
(in thousands, except per share data)
 
2017
 
 
2016
 
 
2017
 
 
2016
 
Weighted average basic shares outstanding
    
11,383
     
11,216
     
11,382
     
11,199
 
Assumed exercise of stock options and issuance of stock awards
    
7
     
-
     
5
     
-
 
Weighted average diluted shares outstanding
    
11,390
     
11,216
     
11,387
     
11,199
 
Net income
   $
4,797
    $
3,550
    $
12,496
    $
2,783
 
Basic earnings per share
   $
0.42
    $
0.32
    $
1.10
    $
0.25
 
Diluted earnings per share
   $
0.42
    $
0.32
    $
1.10
    $
0.25
 
Anti-dilutive securities outstanding
    
43
     
129
     
43
     
129