Discontinued Operations (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Discontinued Operations
Interest expense allocated to discontinued operations			$ 0
Revenue and pre-tax (loss) related to discontinued operations
Revenue	49,000	1,578,000	22,000	4,086,000
Pre-tax income (loss)		220,000	(93,000)	(179,000)
Operation located in Delaware
Discontinued Operations
After-tax income (loss) from discontinued operations		$ 100,000	$ 100,000	$ 100,000