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Earnings Per Common Share (Tables)
9 Months Ended
Sep. 30, 2017
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 nine months ended September 30, 2017 and 2016. During 2017 and 2016, there were no potentially dilutive securities outstanding.
 
Three Months Ended
 
Nine Months Ended
 
September 30,
 
September 30,
 
2017
 
2016
 
2017
 
2016
Weighted average number of common shares outstanding used to calculate basic and diluted earnings per share
3,469,372

 
3,527,725

 
3,473,872

 
3,532,893