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NET LOSS PER SHARE (Tables)
6 Months Ended
Jun. 30, 2015
Net Loss Per Share Tables  
Schedule of potentially dilutive securities

The table below presents the potentially dilutive securities that would have been included in our calculation of diluted net loss per share allocable to common stockholders if they were not antidilutive for the periods presented.

 

   As of June 30,
   2015  2014
Stock options   17,525,200    16,523,128 
Warrants   13,032,431    14,122,127 
    30,557,631    30,645,255