Annual report pursuant to Section 13 and 15(d)

SHARE-BASED BENEFIT PLANS - Option valuation assumptions for options granted (Details 2)

v2.4.1.9
SHARE-BASED BENEFIT PLANS - Option valuation assumptions for options granted (Details 2) (Stock options)
12 Months Ended
Dec. 31, 2014
Stock options
 
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Vesting commencement date Nov. 28, 2015
Expected volatility 60.00%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
Expected dividend yield 0.00%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
Expected life (in years) 3 years
Weighted average risk free rate 0.88%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember