Per Share Data (Tables)

3 Months Ended

Mar. 31, 2017

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,
	2017	2016
Weighted average common shares outstanding - basic	4,734,805	4,740,503
Dilutive effect of outstanding stock options	26,500	—
Weighted average common shares outstanding - diluted	4,761,305	4,740,503