Income Taxes (Schedule Of The Components Of Income Tax (Benefit) Expense) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Current:
Federal	$ (48)	$ 279	$ 983
State	(1)	4	(65)
Foreign	90	315	25
Total current	41	598	943
Deferred:
Federal	(31)	(2,358)	(32)
State		(35)	(1)
Foreign	(190)	(1,227)
Total deferred	(221)	(3,620)	(33)
Total income tax expense (benefit)	$ (180)	$ (3,022)	$ 910