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Earnings (Loss) Per Share
12 Months Ended
Dec. 31, 2020
Earnings (Loss) Per Share [Abstract]  
Earnings (Loss) Per Share
Note K - 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:

 
2020
   
2019
   
2018
 
Average shares outstanding for basic earnings (loss) per share
   
14,140,178
     
14,520,815
     
14,964,812
 
                         
Dilutive effect of share equivalents
   
129,806
     
99,118
     
 
                         
Average shares outstanding for diluted earnings (loss) per share
   
14,269,984
     
14,619,933
     
14,964,812