Net Income (Loss) per Share of Common Stock (Tables)

12 Months Ended

Dec. 31, 2015

Schedule of Earnings Per Share, Basic and Diluted

A reconciliation of the numerator and denominator used in the calculation of the basic and diluted net income (loss) per share is as follows:



	Year Ended December 31,
	2015		2014		2013
Numerator
Net income (loss) (in thousands)	$	41,802	$	1,531	$	(19,305	)
Denominator
Weighted average shares of common stock outstanding used in computing net income (loss) per share, basic	38,754,643		37,563,590		36,209,051
Dilutive effect of incremental shares and share equivalents	2,041,003		3,433,382		—
Weighted average shares of common stock outstanding used in computing net income (loss) per share, diluted	40,795,646		40,996,972		36,209,051
Net income (loss) per share:
Net income (loss) per share, basic	$	1.08	$	0.04	$	(0.53	)
Net income (loss) per share, diluted	$	1.02	$	0.04	$	(0.53	)

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

The following outstanding potentially dilutive securities were excluded from the computation of diluted net income (loss) per share of common stock for the periods presented, because including them would have been anti-dilutive:



	Year Ended
	December 31,
	2015	2014	2013
Options to purchase common stock	39,497	220,712	3,598,385
Restricted stock units	26,290	12,723	1,906,696
Common stock issuable pursuant to the ESPP	—	—	86,026
Total	65,787	233,435	5,591,107