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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
Income Tax Disclosure [Abstract]
Federal
State and local	1us-gaap_CurrentStateAndLocalTaxExpenseBenefit	2us-gaap_CurrentStateAndLocalTaxExpenseBenefit
Foreign	120us-gaap_CurrentForeignTaxExpenseBenefit
Current Income Tax Expense (Benefit)	121us-gaap_CurrentIncomeTaxExpenseBenefit	2us-gaap_CurrentIncomeTaxExpenseBenefit
Federal
State and local
Foreign	43us-gaap_DeferredForeignIncomeTaxExpenseBenefit	154us-gaap_DeferredForeignIncomeTaxExpenseBenefit
Deferred Income Tax Expense (Benefit)	103us-gaap_DeferredIncomeTaxExpenseBenefit	154us-gaap_DeferredIncomeTaxExpenseBenefit
Income Tax Expense (Benefit)	$ 164us-gaap_IncomeTaxExpenseBenefit	$ 156us-gaap_IncomeTaxExpenseBenefit

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Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.

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