Net Loss Per Share

3 Months Ended

Mar. 31, 2012

Net Loss Per Share [Abstract]

Net Loss Per Share

Note 9 — 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 March  31,
	2012		2011
Convertible subordinated notes		9,989		9,989
Stock options		13,896		11,135
Total		23,885		21,124