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LIABILITY FOR EQUITY-LINKED FINANCIAL INSTRUMENTS (Details) (USD $)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2009
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Stock price   $ 26.25us-gaap_SharePrice
Exercise price   $ 34.50us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExercisePrice
Expected life 8 years 2 months 16 days 2 years 6 months
Expected volatility 59.00%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate 63.00%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate
Assumed dividend rate 0.00%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate  
Risk-free interest rate - Minimum 0.13%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum  
Risk-free interest rate - Maximum 2.97%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum  
Minimum [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Stock price 3.75us-gaap_SharePrice
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
 
Exercise price 0.75us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExercisePrice
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
 
Expected life 2 years  
Maximum [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Stock price 37.50us-gaap_SharePrice
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
 
Exercise price 24.38us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExercisePrice
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
 
Expected life 6 years 6 months