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Earnings per Share (Tables)
3 Months Ended
Mar. 31, 2018
Earnings per common share:  
Earnings per share (in thousands, except per share amounts)

  Three Months ended
  March 31,
  2018   2017
Weighted average common shares outstanding      
 during the period – shares used for basic      
 earnings per common share   10,015       9,931  
               
Common shares issuable under share based              
 payment plans which are potentially dilutive   70       70  
               
Common shares used for diluted              
 earnings per common share   10,085       10,001  
               
Net income $ 1,560       1,443  
               
Earnings per common share:              
 Basic $ 0.16       0.15  
 Diluted $ 0.15       0.14