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EQUITY Share-based compensation option-pricing model assumptions (Details) (USD $)
9 Months Ended
Sep. 30, 2014
Share based compensation - assumptions for fair value [Line Items]  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value $ 1.60
Risk-free interest rate 2.40%
Expected term of options, in years 7 years 2 months 5 days
Expected annual volatility 63.00%
Expected dividend yield 0.00%