Income Taxes (Income Before Income Taxes) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest [Abstract]
United States									$ (7,993)	$ (4,096)	$ (11,018)
Foreign									141	(1,218)	2,830
Loss from continuing operations before provision for income taxes	$ (1,987)	$ (313)	$ (1,586)	$ (3,966)	$ (174)	$ (134)	$ (878)	$ (4,128)	$ (7,852)	$ (5,314)	$ (8,188)