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16. Income Tax (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Current:
Federal	$ 0us-gaap_CurrentFederalTaxExpenseBenefit	$ 0us-gaap_CurrentFederalTaxExpenseBenefit	$ 0us-gaap_CurrentFederalTaxExpenseBenefit
State and Local	6us-gaap_CurrentStateAndLocalTaxExpenseBenefit	6us-gaap_CurrentStateAndLocalTaxExpenseBenefit	4us-gaap_CurrentStateAndLocalTaxExpenseBenefit
Foreign	0us-gaap_CurrentForeignTaxExpenseBenefit	0us-gaap_CurrentForeignTaxExpenseBenefit	0us-gaap_CurrentForeignTaxExpenseBenefit
Total	6us-gaap_CurrentIncomeTaxExpenseBenefit	6us-gaap_CurrentIncomeTaxExpenseBenefit	4us-gaap_CurrentIncomeTaxExpenseBenefit
Deferred:
Federal	0us-gaap_DeferredFederalIncomeTaxExpenseBenefit	0us-gaap_DeferredFederalIncomeTaxExpenseBenefit	(934)us-gaap_DeferredFederalIncomeTaxExpenseBenefit
State and Local	0us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit	0us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit	(151)us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit
Foreign	0us-gaap_DeferredForeignIncomeTaxExpenseBenefit	0us-gaap_DeferredForeignIncomeTaxExpenseBenefit	0us-gaap_DeferredForeignIncomeTaxExpenseBenefit
Income tax expense/(benefit)	$ 0us-gaap_DeferredIncomeTaxExpenseBenefit	$ 0us-gaap_DeferredIncomeTaxExpenseBenefit	$ (1,085)us-gaap_DeferredIncomeTaxExpenseBenefit

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