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Earnings (Loss) Per Share (Tables)
12 Months Ended
Dec. 31, 2019
Earnings (Loss) Per Share [Abstract]  
Reconciliation of the Denominators used in the Calculation of Basic and Diluted Earnings (Loss) per Share
The following is a reconciliation of the denominators used in the calculation of basic and diluted earnings (loss) per share for the years ended December 31:

  
2019
  
2018
  
2017
 
Average shares outstanding for basic earnings (loss) per share
  
14,520,815
   
14,964,812
   
15,065,216
 
             
Dilutive effect of share equivalents
  
99,118
   
   
42,220
 
             
Average shares outstanding for diluted earnings (loss) per share
  
14,619,933
   
14,964,812
   
15,107,436