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Note 4 - Net Loss Per Share
 6 Months Ended
Jun. 30, 2013
Earnings Per Share [Abstract]  
Earnings Per Share [Text Block]

 (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 for the applicable period. Diluted net loss per share excludes the effect of outstanding potentially dilutive securities because they are anti-dilutive. The following table shows the outstanding potentially dilutive options, warrants and convertible notes for the six months ended June 30, 2013 and 2012 (in thousands):


   

Six Months Ended June 30,

 
   

2013

   

2012

 
                 

Options outstanding

    134,941       63,662  

Warrants outstanding

    81,044       83,977  

Common stock underlying convertible notes outstanding

    122,125       115,520