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STOCKHOLDERS' EQUITY (Tables)
6 Months Ended
Jun. 30, 2014
Stockholders' Equity  
Schedule of redemption prices per share
Year from November 1, 2013 to October 31, 2014   $ 10.06  
November 1, 2014 and thereafter   $ 10.00  

 

Schedule of conversion of convertible preferred stock
    Six
Months Ended
June 30,
2013
 
Preferred shares exchanged     792,460  
Shares of common stock issued:        
At stated conversion terms     48,174  
Incremental shares issued under the exchange transaction     1,465,479  
Total shares of common stock issued     1,513,653  
Schedule of warrants outstanding
Issued in Connection With   Expiration
Date
  Common
Shares
Issuable
    Weighted
Average
Exercise
Price
 
July 2009 Series II stock issuance   2014     98,893     $ 7.00  
January 2010 stock issuance   2015     101,785     $ 22.82  
January 2010 stock issuance   2015     100,714     $ 19.95  
October 2010 stock issuance   2015     594,513     $ 13.44  
July 2011 stock issuance   2016     544,117     $ 9.52  
Total         1,440,022     $ 12.63