Income Taxes (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Provision for income taxes from continuing operations
U.S. state current income tax expense (benefit)	$ (56)	$ 177
Foreign current income tax expense	2	89
Foreign deferred income tax expense (benefit)	(21)	566
Total	$ (75)	$ 832