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Earnings per share (Tables)
 3 Months Ended
Mar. 31, 2019
Earnings per share [Abstract]  
Earnings per share
The following table sets forth the reconciliation of basic weighted average shares outstanding and diluted weighted average shares outstanding:

 
 
Three Months Ended
March 31,
 
 
 
2019
  
2018
 
 
 
(In thousands, except per share data)
 
 
      
Net income
 
$
746
  
$
680
 
 
        
Shares:
        
Basic:  Weighted average common shares outstanding
  
7,461
   
7,533
 
Add:  Dilutive effect of outstanding options and restricted stock units as determined by the treasury stock method
  
158
   
368
 
Diluted:  Weighted average common and common equivalent shares outstanding
  
7,619
   
7,901
 
 
        
Net income per common share:
        
Basic
 
$
0.10
  
$
0.09
 
Diluted
 
$
0.10
  
$
0.09