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Earnings per share ("EPS")

3 Months Ended

Mar. 31, 2019

16. Earnings per share (“EPS”)

The Company uses the two-class method of computing basic EPS due to the existence of non-vested restricted stock awards with nonforfeitable rights to dividends or dividend equivalents (referred to as participating securities). For the three months ended March 31, 2019 and 2018, no significant adjustments were made to net income 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,
	2019		2018
Weighted average common shares-basic		18,750,184		18,404,856
Effect of dilutive securities
Unexercised stock options and stock purchase plan		277,992		308,537
Unvested restricted stock awards and units		162,970		161,198
Weighted average common shares-diluted		19,191,146		18,874,591

There were 484,421 and 122,678 weighted average outstanding stock options and restricted stock awards and units not included in the diluted EPS computation for the three months ended March 31, 2019 and 2018, respectively, because inclusion of these awards was anti-dilutive or, for performance-based and market-based restricted stock awards and units, all necessary conditions had not been satisfied by the end of the respective period.