NET INCOME PER SHARE

3 Months Ended

Mar. 31, 2013

NET INCOME PER SHARE

NET INCOME PER SHARE

8.   NET INCOME PER SHARE

For the three months ended March 31, 2012 and 2013, outstanding stock options were the only potentially dilutive securities.

The reconciliation from basic to diluted weighted average common shares outstanding is as follows (in thousands):

	Three Months Ended March 31,
	2012	2013
Basic weighted-average common shares outstanding	15,456	15,588
Stock options	98	107
Diluted weighted-average common shares outstanding	15,554	15,695

The above calculations for the three months ended March 31, 2012 and 2013 do not include 324,000 and 240,000 shares, respectively, related to certain stock options because the effects of such were anti-dilutive.