Earnings per Share

6 Months Ended

Jun. 30, 2018

13. Earnings per Share

The following table sets forth basic and diluted weighted average shares outstanding for the periods indicated (in thousands):



	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2018		2017		2018		2017

Weighted average shares - basic		18,067		18,424		18,116		18,518
Effect of dilutive securities		107		-		114		145
Weighted average shares - assuming dilution		18,174		18,424		18,230		18,663

For each of the three and six months ended June 30, 2018, 62,500 shares of common stock potentially issuable upon the exercise of employee stock options were excluded from the weighted average number of shares outstanding on a diluted basis because the effect of such options would be anti-dilutive. For each of the three and six months ended June 30, 2017, 97,500 shares of common stock potentially issuable upon the exercise of employee stock options were excluded from the weighted average number of shares outstanding on a diluted basis because the effect of such options would be anti-dilutive.