Income Taxes (Schedule Of Provision For Income Taxes) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Income Taxes [Abstract]
Current: Federal	$ 19	$ 466	$ 10
Current: State	75	(858)	(1)
Current: Foreign	(3)	(4)	(5)
Current income tax expense (benefit), Total	91	(396)	4
Total provision for income taxes	$ 91	$ (396)	$ 4