Net Loss Per Share

6 Months Ended

Jun. 30, 2015

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, 2015 and 2014.



	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2015			2014			2015			2014
Net loss	$	(13,001	)	$	(8,993	)	$	(24,215	)	$	(3,698	)
Shares used in computing basic and diluted net loss per share	67,615			62,699			67,441			62,403
Basic and diluted net loss per share	$	(0.19	)	$	(0.14	)	$	(0.36	)	$	(0.06	)

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,
	2015	2014	2015	2014
Common stock options	1,812	1,813	1,812	1,917
Restricted stock awards	139	420	137	422
Restricted stock units	269	143	257	202
Total	2,220	2,376	2,206	2,541

As discussed in Note 6, in December 2013, the Company issued $86.3 million aggregate principal amount of 2.25% convertible senior notes due 2018 (the “Senior Notes”) in an underwritten public offering. Upon any conversion, the Senior Notes may be settled, at the Company’s election, in cash, shares of the Company’s common stock or a combination of cash and shares of the Company’s common stock. For purposes of calculating the maximum dilutive impact, it is presumed that the Senior Notes will be settled in common stock with the resulting potential common shares included in diluted earnings per share if the effect is more dilutive. The effect of the conversion of the Senior Notes is excluded from the calculation of diluted loss per share because the impact of these securities would be anti-dilutive. The potential dilutive effect of these securities is shown in the chart below:



	Three Months Ended		Six Months Ended
	June 30,		June 30,
	2015	2014	2015	2014
Conversion of the Notes	3,588	3,588	3,588	3,588

The effect of the contingently issuable common stock is excluded from the calculation of basic net loss per share until all necessary conditions for issuance have been satisfied. Refer to Note 9 of the Notes to the Condensed Consolidated Financial Statements for further discussion.