Income Taxes (Schedule of Components of Income Tax Expense (Benefit)) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Current provision (benefit) :
Federal	$ (349)	$ 55	$ (257)
State	13	171	(82)
Total current	(336)	226	(339)
Deferred provision (benefit):
Federal	(1,170)	199	1,851
State	(241)	12	190
Total deferred	(1,411)	211	2,041
Provision (benefit) for income taxes of continuing operations	$ (1,747)	$ 437	$ 1,702