Net Loss Per Share

6 Months Ended

Jun. 30, 2011

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				Six months ended
	June 30,				June 30,
	2011		2010		2011		2010
Convertible subordinated notes		9,989		9,989		9,989		9,989
Stock options		11,620		9,358		11,308		8,971

Total		21,609		19,347		21,297		18,960