Net Loss Per Share (Tables)

6 Months Ended

Jun. 30, 2018

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 months ended June 30, 2018 and 2017.



	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2018			2017			2018			2017
Net loss	$	(23,876	)	$	(16,292	)	$	(43,643	)	$	(37,606	)
Shares used in computing basic and diluted net loss per share	84,462			83,247			84,112			83,087
Basic and diluted net loss per share	$	(0.28	)	$	(0.20	)	$	(0.52	)	$	(0.45	)

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,
	2018	2017	2018	2017
Common stock options	213	574	252	636
Restricted stock awards	126	121	122	120
Restricted stock units	572	207	461	248
Total	911	902	835	1,004

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



	Three Months Ended		Six Months Ended
	June 30,		June 30,
	2018	2017	2018	2017
Conversion of the Notes	11,939	11,939	11,939	11,939
Deerfield Warrants	6,470	6,470	6,470	6,470