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Stockholders' Equity (Tables)
6 Months Ended
Jun. 30, 2014
Equity [Abstract]  
Schedule of Outstanding Common Stock Warrants

Outstanding common stock warrants consist of the following:

 

        Total        
Issue Date   Expiration Date   Warrants     Ex. Price  
4/26/2013   4/26/2018     69,321      $ 11.18   
10/31/2013   10/31/2018     685,715      $ 8.50   
2/5/2014   2/5/2019     1,329,731      $ 7.40   
   

 

 

   
      2,084,767