Results of Discontinued Operations (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
(Loss) income from discontinued operations, net of tax	$ (4,450,000)	$ (10,586,000)	$ 4,216,000
Gain (Loss) on Disposition of Business	3,430,000	65,000	62,000
Portamedic Service Line [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenue	66,467,000	100,400,000	111,417,000
(Loss) income from discontinued operations, net of tax	(4,450,000)	(10,586,000)	4,216,000
Gain (Loss) on Disposition of Business	3,355,000	0	0
Discontinued Operation, Tax Effect of Discontinued Operation	$ 100,000	$ 100,000	$ 100,000