Net Income (Loss) Per Share (Tables)

9 Months Ended

Sep. 30, 2014

Earnings Per Share [Abstract]

Net Income (Loss) Per Share

For purposes of this calculation, common stock subject to repurchase by the Company and options are considered to be common stock equivalents and are only included in the calculation of diluted earnings per share when their effect is dilutive.

	Three Months Ended September 30,						Nine Months Ended September 30,
	2014			2013			2014			2013
	(unaudited, in thousands, except per share amounts)
Numerator:
Net loss available to stockholders	$	(1,142	)	$	(13,049	)	$	(12,004	)	$	(26,451	)
Denominator:
Weighted average shares outstanding - basic		41,225			37,036			39,165			36,967
Potential common shares - options (treasury stock method)		—			—			—			—
Weighted average shares outstanding - diluted		41,225			37,036			39,165			36,967
Shares excluded (anti-dilutive)		2			—			13			3
Shares excluded due to an exercise price greater than weighted average stock price for the period		1,596			2,271			1,536			2,261
Net loss per share:
Basic	($	0.03	)	($	0.35	)	($	0.31	)	($	0.72	)
Diluted	($	0.03	)	($	0.35	)	($	0.31	)	($	0.72	)