Income Taxes (Details 1) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Schedule of Income Tax Reconciliation
Pre-tax income (loss) from continuing operations	$ 13,747	$ 1,355	$ (13,950)
Federal tax expense (benefit), at statutory rates	4,813	474	(4,883)
State tax expense (benefit), net of federal tax effects	(249)	232	(487)
Permanent non-deductible expenses	97	65	136
Increase (reduction) in prior year tax	58	324	(2,421)
Tax effect of uncertain tax position	152	55	2,471
Impact of equity investment income at statutory tax rate	476	697	455
Reduction in gross deferred tax assets due to IRC Section 382 limitations	396
(Decrease) increase in valuation allowance	(86,533)	8,632	4,239
Total tax (benefit) expense from continuing operations	$ (80,790)	$ 10,479	$ (490)