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Earnings Per Common Share (Tables)
6 Months Ended
Jun. 30, 2018
Earnings Per Share [Abstract]  
Weighted Average Number Of Shares Used In Computing Earnings Per Share
The following table shows the weighted average number of shares used in computing earnings per share for the three and six months ended June 30, 2018 and 2017. During 2018 and 2017, there were no potentially dilutive securities outstanding.
 
Three Months Ended
 
Six Months Ended
 
June 30,
 
June 30,
 
2018
 
2017
 
2018
 
2017
Weighted average number of common shares outstanding used to calculate basic and diluted earnings per share
3,465,601

 
3,474,628

 
3,463,621

 
3,476,159