Income Taxes (Details Textual) (USD $)	6 Months Ended
	Jun. 30, 2012	Dec. 31, 2011
Income Taxes (Textual) [Abstract]
Gross deferred tax assets	$ 68,700,000	$ 70,700,000
Valuation allowance related to deferred tax assets	394,000	356,000
Accrued gross liabilities	636,000	636,000
Accrued interest and penalties for discontinued operations	402,000	386,000
Liabilities associated with uncertain tax positions	$ 1,000,000	$ 1,000,000
Period of unrecognized tax benefits not expected to be recognized	12 months