Net Income (Loss) per Common Share (Tables)

9 Months Ended

Sep. 30, 2016

Earnings Per Share [Abstract]

Reconciliation of Basic and Diluted Net Income (Loss) per Share

The following table sets forth a reconciliation of basic and diluted net income (loss) per share (in thousands except share and per share amounts):

	Three Months Ended September 30,					Nine Months Ended September 30,
	2016			2015		2016			2015
Net income (loss)	$	(35,051	)	$	567	$	(61,582	)	$	(42,309	)
Shares used in computing basic net income (loss) per    common share		65,134,102			62,274,438		64,472,947			38,674,889
Add effect of dilutive securities:
Options to purchase common stock		—			8,514,752		—			—
Common stock warrants		—			936,928		—			—
Shares used in computing diluted net income (loss) per    common share		65,134,102			71,726,118		64,472,947			38,674,889
Net income (loss) per common share, basic	$	(0.54	)	$	0.01	$	(0.96	)	$	(1.09	)
Net income (loss) per common share, diluted	$	(0.54	)	$	0.01	$	(0.96	)	$	(1.09	)

Schedule of Securities Excluded from Diluted Net Income (Loss) per Common Share

The following securities were excluded from diluted net income (loss) per common share because their inclusion would be anti-dilutive:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2016		2015		2016		2015
Options to purchase common stock		10,544,907		285		10,544,907		9,889
Restricted stock units		660,800		—		660,800		—
Common stock warrants		97,740		3		97,740		947
Total		11,303,447		288		11,303,447		10,836