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Basic and Diluted Net Loss Per Share (Tables)
9 Months Ended
Sep. 30, 2012
Basic and Diluted Net Loss Per Share [Abstract]  
Summary of Potential Common Shares

Potential common shares not included in calculating diluted net loss per share are as follows:

 

                 
    September 30, 2012     September 30, 2011  

Stock options

    2,204,000       1,629,667  

Stock warrants

    805,521       805,521  
   

 

 

   

 

 

 

Total

    3,009,521       2,435,188