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INCOME TAXES (Schedule of Reconciliation of Effective Income Tax Rate and Federal Statutory Rate) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Reconciliation of effective income tax rate and the federal statutory rate
U.S. Federal tax (benefit) at statutory rate	$ (10,026)us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	$ (7,133)us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	$ (11,183)us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate
U.S. State tax (benefit)/expense, net of federal income tax benefit	628us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes	(360)us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes	187us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes
Stock compensation expense	745us-gaap_IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	574us-gaap_IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	996us-gaap_IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost
Effect of differences in foreign tax rates	8,390us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential	(30,994)us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential	422us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential
Effect of tax rate changes on deferred taxes		2,407us-gaap_IncomeTaxReconciliationChangeInEnactedTaxRate	7us-gaap_IncomeTaxReconciliationChangeInEnactedTaxRate
Change in deferred tax valuation allowance	1,824us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	38,234us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	11,511us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance
Tax credits	(535)us-gaap_IncomeTaxReconciliationTaxCredits	(552)us-gaap_IncomeTaxReconciliationTaxCredits	(358)us-gaap_IncomeTaxReconciliationTaxCredits
Other	592us-gaap_IncomeTaxReconciliationOtherAdjustments	175us-gaap_IncomeTaxReconciliationOtherAdjustments	810us-gaap_IncomeTaxReconciliationOtherAdjustments
Total	$ 1,618us-gaap_IncomeTaxExpenseBenefit	$ 2,351us-gaap_IncomeTaxExpenseBenefit	$ 2,392us-gaap_IncomeTaxExpenseBenefit

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets.

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