Income Taxes (Details) - USD ($)	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Income Tax Contingency [Line Items]
Net deferred tax assets	$ 0
Deferred income tax expense	34,000	$ 45,000
Domestic Tax Authority
Income Tax Contingency [Line Items]
Current income tax expense	0
Foreign Tax Authority
Income Tax Contingency [Line Items]
Current income tax expense	$ 157,000