Net Income Per Share (Tables)

12 Months Ended

Dec. 31, 2015

Earnings Per Share [Abstract]

Reconciliation used in Computing Basic and Diluted Net Income per Share

The following is a reconciliation of the numerators and denominators used in computing basic and diluted net income per share:

	Years Ended December 31,
	2015		2014		2013
	(In thousands, except per share amounts)
Numerator:
Net income	$	2,858	$	4,123	$	40,155
Denominator:
Shares used in computation of basic net income per share (weighted average common shares outstanding)	28,097		28,246		28,190
Dilutive potential common shares:
Stock options, ESPP, Restricted Stock and RSUs	918		898		1,148
Shares used in computation of diluted net income per share	29,015		29,144		29,338
Basic net income per share:	$	0.10	$	0.15	$	1.42
Diluted net income per share:	$	0.10	$	0.14	$	1.37