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STOCKHOLDERS' EQUITY (Tables)
12 Months Ended
Dec. 31, 2016
Equity [Abstract]  
Schedule of warrants

As of December 31, 2016, warrants to purchase 402,228 shares of common stock were outstanding including:

 

    Outstanding
Warrants to
Purchase Shares
    Exercise
Price
    Expiration Date
                 
2011 private placement     283,470     $ 18.75-24.00     May 8, 2018
Acueity warrants     21,667       75.00     September 30, 2017
2014 public offering     77,790       45.00     January 29, 2019
Placement agent fees for Company’s offerings     16,135       32.00 – 186.45     March - November, 2018
Outside consulting     3,166     $ 63.75     January 14, 2018
      402,228