Earnings per share ("EPS")

3 Months Ended

Mar. 31, 2018

11. Earnings per share (“EPS”)

For the three months ended March 31, 2018 and 2017, no significant adjustments were made to net income (loss) for purposes of calculating basic and 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

There were 122,678 and 1,019,185 outstanding options, restricted stock, and performance-based or market-based equity awards not included in the diluted earnings per share computation for the three months ended March 31, 2018 and 2017, respectively, because inclusion of these awards was anti-dilutive or, for performance-based and market-based awards, all necessary conditions had not been satisfied by the end of the respective period.