Net Loss Per Share

9 Months Ended

Sep. 30, 2013

Earnings Per Share [Abstract]

Net Loss Per Share

Note 8 — Net Loss Per Share

Basic net loss per share is calculated based on the weighted-average number of common shares outstanding during the periods presented. For all periods presented in the accompanying Condensed Consolidated Statements of Operations, the net loss available to common stockholders is equal to the reported net loss. Basic and diluted net loss per share are the same due to our historical net losses and the requirement to exclude potentially dilutive securities which would have an anti-dilutive effect on net loss per share. The weighted average of these potentially dilutive securities has been excluded from the diluted net loss per share calculation and is as follows (in thousands):

	Three months ended September 30,				Nine months ended September 30,
	2013		2012		2013		2012
Stock options		9,739		14,301		12,999		13,836