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STOCKHOLDERS' EQUITY (Details 3) (USD $) In Millions, except Share data, unless otherwise specified |  |  | 6 Months Ended | 0 Months Ended
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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

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