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NET LOSS PER COMMON SHARE (Tables)
3 Months Ended
Mar. 31, 2015
Net Loss Per Common Share Tables  
Summary common stock equivalents of common stock purchase warrants

Potential common stock equivalents outstanding as of March 31, 2015 and March 31, 2014 consist of common stock equivalents of common stock purchase warrants, senior secured convertible debentures, convertible preferred stock, common stock options and unvested restricted stock awards, which are summarized as follows:

 

    March 31,  
    2015     2014  
Common stock purchase warrants     13,078,920       2,104,767  
Common stock equivalents of convertible debebtures     4,328,466       -  
Common stock equivalents of convertible preferred stock     4,007,406       1,464,287  
Common stock options     1,293,701       290,801  
Restricted stock awards     -       6,512  
Total     22,708,493       3,866,367