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STOCKHOLDERS' EQUITY (Details 3) (USD $)
In Millions, except Share data, unless otherwise specified
 6 Months Ended 0 Months Ended
Jun. 30, 2014
Dec. 31, 2013
Jun. 30, 2013
Common stock
Apr. 03, 2014
Common stock
April 2014 Issuance
Equity Offering [Line Items]        
Number of common shares sold into underwriting agreement (in shares)     31,643 2,857,143
Common stock, par value (in dollars per share) $ 0.001 $ 0.001   $ 0.001
Share price per share       $ 3.50
Proceed from public offering       $ 9.3