Earnings per Share (Tables)

3 Months Ended

Mar. 31, 2018

Weighted Average Shares and Share Equivalents Used to Calculate Basic and Diluted Earnings Per Share

The following weighted average shares and share equivalents were used to calculate basic and diluted earnings per share for the three months ended March 31, 2018 and 2017:



	Three Months Ended March 31,
	2018	2017
Weighted average number of shares outstanding used to calculate basic EPS	3,675	3,705
Dilutive securities:
Stock options and restricted share units	545	392
Weighted average number of shares and share equivalents outstanding used to calculate diluted EPS	4,220	4,097

Summary of Antidilutive Securities Excluded from Computation of Earnings Per Share

The following stock options issued under equity incentive plans were outstanding during the three months ended March 31, 2018 and 2017, but were not included in the computation of diluted earnings per share because the effect would have been anti-dilutive.

Three Months Ended March 31,

Anti-dilutive securities