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INCOME TAXES (Components of Income Tax Expense (Benefit) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Federal:      
Current $ 0us-gaap_CurrentFederalTaxExpenseBenefit $ 0us-gaap_CurrentFederalTaxExpenseBenefit $ 0us-gaap_CurrentFederalTaxExpenseBenefit
Deferred 608us-gaap_DeferredFederalIncomeTaxExpenseBenefit 0us-gaap_DeferredFederalIncomeTaxExpenseBenefit 0us-gaap_DeferredFederalIncomeTaxExpenseBenefit
Total Federal 608us-gaap_FederalIncomeTaxExpenseBenefitContinuingOperations 0us-gaap_FederalIncomeTaxExpenseBenefitContinuingOperations 0us-gaap_FederalIncomeTaxExpenseBenefitContinuingOperations
State:      
Current 0us-gaap_CurrentStateAndLocalTaxExpenseBenefit 0us-gaap_CurrentStateAndLocalTaxExpenseBenefit 3us-gaap_CurrentStateAndLocalTaxExpenseBenefit
Deferred 23us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit 0us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit 0us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit
Total State 23us-gaap_StateAndLocalIncomeTaxExpenseBenefitContinuingOperations 0us-gaap_StateAndLocalIncomeTaxExpenseBenefitContinuingOperations 3us-gaap_StateAndLocalIncomeTaxExpenseBenefitContinuingOperations
Foreign:      
Current (156)us-gaap_CurrentForeignTaxExpenseBenefit 20us-gaap_CurrentForeignTaxExpenseBenefit 46us-gaap_CurrentForeignTaxExpenseBenefit
Deferred 49us-gaap_DeferredForeignIncomeTaxExpenseBenefit (74)us-gaap_DeferredForeignIncomeTaxExpenseBenefit 97us-gaap_DeferredForeignIncomeTaxExpenseBenefit
Total Foreign (107)us-gaap_ForeignIncomeTaxExpenseBenefitContinuingOperations (54)us-gaap_ForeignIncomeTaxExpenseBenefitContinuingOperations 143us-gaap_ForeignIncomeTaxExpenseBenefitContinuingOperations
Total income tax (benefit) expense $ 524us-gaap_IncomeTaxExpenseBenefit $ (54)us-gaap_IncomeTaxExpenseBenefit $ 146us-gaap_IncomeTaxExpenseBenefit