Income Taxes - Income Tax Expense (Benefit) Attributable To Loss From Continuing Operations (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Current
Current federal income tax expense (benefit)		$ 4
Current state and local income tax expense (benefit)	$ 4	17
Current foreign income tax expense (benefit)	(269)	444
Total current income tax expense (benefit)	(265)	465
Deferred
Deferred foreign income tax expense (benefit)	(134)	(327)
Total deferred income tax expense (benefit)	(134)	(327)
Total
Total federal income tax expense (benefit)		4
Total state and local income tax expense (benefit)	4	17
Total foreign income tax expense (benefit)	(403)	117
Total income tax expense (benefit)	$ (399)	$ 138