Net Loss Per Share (Tables)

6 Months Ended

Jun. 30, 2017

Schedule of Calculation of Net Loss Per Share

Net loss per share was calculated by dividing net loss by the weighted average number of common shares outstanding for the three and six months ended June 30, 2017 and 2016.



	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2017			2016			2017			2016
Net loss	$	(16,292	)	$	(66,837	)	$	(37,606	)	$	(114,507	)
Shares used in computing basic and diluted net loss per share	83,247			82,072			83,087			79,368
Basic and diluted net loss per share	$	(0.20	)	$	(0.81	)	$	(0.45	)	$	(1.44	)

Schedule of Antidilutive Securities Excluded from Computation of Loss Per Share

The following outstanding Company securities, using the treasury stock method, were excluded from the above calculations of net loss per share because their impact would have been anti-dilutive:



	Three Months Ended		Six Months Ended
	June 30,		June 30,
	2017	2016	2017	2016
Common stock options	574	1,620	636	1,193
Restricted stock awards	121	135	120	131
Restricted stock units	207	438	248	299
Total	902	2,193	1,004	1,623

The potential dilutive effect of these securities is shown in the chart below:



	Three Months Ended		Six Months Ended
	June 30,		June 30,
	2017	2016	2017	2016
Conversion of the Notes	11,939	14,767	11,939	14,767
Deerfield Warrants	6,470	—	6,470	—