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Earnings per Share (Tables)
3 Months Ended
Mar. 31, 2020
Earnings Per Share [Abstract]  
Earnings per share (in thousands, except per share amounts)

  Three Months ended
  March 31,
  2020   2019
Weighted average common shares outstanding      
 during the period – shares used for basic      
 earnings per common share   9,803       9,952  
               
Common shares issuable under share based              
 payment plans which are potentially dilutive   30       44  
               
Common shares used for diluted              
 earnings per common share   9,833       9,996  
               
Income from continuing operations $ 1,499       1,641  
Discontinued operations $ —         86  
Net income attributable to the Company $ 1,618       1,898  
               
Basic earnings per common share:              
 Income from continuing operations $ 0.15       0.16  
 Discontinued operations $ —         0.01  
 Net income attributable to the Company $ 0.17       0.19  
               
Diluted earnings per common share:              
 Income from continuing operations $ 0.15       0.16  
 Discontinued operations $ —         0.01  
 Net income attributable to the Company $ 0.16       0.19