Earnings per share ("EPS") (Tables)

3 Months Ended

Mar. 31, 2018

Earnings Per Share [Abstract]

Schedule of Reconciliation of Weighted Average Shares Used in Diluted EPS

The following is a reconciliation of the weighted average shares used in diluted EPS computations.

	Three Months Ended March 31,
	2018		2017
Weighted average common shares-basic		18,404,856		17,979,675
Effect of dilutive securities
Unexercised stock options and stock purchase plan		308,537		—
Unvested restricted stock awards and units		161,198		—
Weighted average common shares-diluted		18,874,591		17,979,675