Income Taxes (Details) (USD $)	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Deferred:
Federal	$ 345,000	$ 4,187,000	$ 5,177,000
State	96,000	1,069,000	1,317,000
Deferred income tax benefit (provision)	441,000	5,256,000	6,494,000
Valuation allowance	(441,000)	(5,256,000)	(6,494,000)
Deferred tax assets (liabilities)
NOL carryover	39,097,000	36,636,000
Other reserves	3,035,000	1,848,000
State taxes and other	(1,725,000)	1,582,000
Deferred tax asset before valuation allowance	40,407,000	40,066,000
Depreciation	(50,000)	(151,000)
Deferred tax liability before valuation allowance	(50,000)	(151,000)
Deferred tax assets (liabilities), net	40,357,000	39,915,000
Valuation allowance	(40,357,000)	(39,915,000)
Net operating loss carryforwards for federal income tax purposes	$ 96,100,000	$ 93,000,000