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Net Loss Per Share
9 Months Ended
Sep. 30, 2011
Net Loss Per Share 
Net Loss Per Share

(4) NET LOSS PER SHARE

Basic and diluted net loss per share is computed by dividing net loss by the weighted average number of common shares outstanding. Diluted net loss per share excludes the effect of outstanding potentially dilutive securities because they are anti-dilutive. The following table shows the potentially dilutive options, unvested restricted stock awards, warrants and convertible notes outstanding for the nine months ended September 30, 2011 and 2010 (in thousands): 

 

   Nine Months Ended September 30,
   2011  2010
Options outstanding   49,774    3,263 
Unvested restricted stock awards outstanding   —    606 
Warrants outstanding   84,127    3,977 
Common stock related to convertible notes outstanding   38,750    —