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Per Share Data (Tables)
 3 Months Ended
Mar. 31, 2015
Earnings Per Share [Abstract]  
Schedule of weighted average common shares (denominator) used in the basic and dilutive earnings per share computation
The following table sets forth the composition of the weighted average common shares (denominator) used in the basic and dilutive earnings per share computation.

 
 
Three Months Ended March 31,
 
 
2015
 
2014
Weighted average common shares issued
 
5,002,832

 
5,000,171

Average treasury stock shares
 
(201,327
)
 
(180,596
)
Weighted average common shares and common stock equivalents used to calculate basic and diluted earnings per share
 
4,801,505

 
4,819,575