Net Income (Loss) Per Share (Tables)

12 Months Ended

Dec. 31, 2012

Numerators and Denominators of Basic and Diluted Net Income (Loss) Per Share Computations

The following table presents the calculation of basic and diluted net income per share (in thousands, except per share amounts):

	December 31,
	2012			2011		2010
Net income (loss) (numerator)	$	(10,937	)	$	8,779	$	(4,335	)
Shares calculation (denominator):
Weighted average shares outstanding — basic		116,457			115,175		101,487
Effect of Dilutive Securities:
Potential common stock relating to stock options, restricted stock units and ESPP		—			1,252		—
Weighted averages shares outstanding — diluted		116,457			116,427		101,487
Net income (loss) per share — basic	$	(0.09	)	$	0.08	$	(0.04	)
Net income (loss) per share — diluted	$	(0.09	)	$	0.08	$	(0.04	)