Net Loss per Share (Tables)

6 Months Ended

Jun. 30, 2015

Net Loss per Share

Schedule of calculation of basic and diluted net loss per share

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

	Three months ended June 30,						Six months ended June 30,
	2015			2014			2015			2014
Net loss	$	(19,334	)	$	(23,375	)	$	(46,470	)	$	(51,401	)
Accretion of convertible redeemable preferred units	—			(4,605		)	—			(11,755		)
Net loss attributable to common stockholders	$	(19,334	)	$	(27,980	)	$	(46,470	)	$	(63,156	)
Weighted average common shares used for basic and diluted net loss per share computation	83,603			40,515			83,407			40,829
Net loss unit attributable to common stockholders per share:
Basic and Diluted	$	(0.23	)	$	(0.69	)	$	(0.56	)	$	(1.55	)

Schedule of computation of basic and diluted net loss per share attributable to common stockholders as their effect would have been antidilutive

	Three and six months ended June 30,
	2015	2014
Series A convertible redeemable preferred units	—	21,551,801
Series B convertible redeemable preferred units	—	5,995,133
Stock options	337,148	646,413
Restricted stock	12,563	3,271,516
Restricted stock units	4,841,186	6,085,085
Total	5,190,897	37,549,948