Discontinued Operations (Narrative) (Details) (USD $)	12 Months Ended			0 Months Ended	12 Months Ended			3 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Sep. 30, 2013 Portamedic Service Line [Member]	Dec. 31, 2013 Portamedic Service Line [Member]	Sep. 30, 2013 Other Current Assets [Member] Portamedic Service Line [Member]	Sep. 30, 2013 Other Long-Term Assets [Member] Portamedic Service Line [Member]	Mar. 31, 2014 Subsequent Event [Member] Portamedic Service Line [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Amount of Holdback received	$ 6,053,000	$ 0	$ 0	$ 8,100,000	$ 6,100,000			$ 800,000
Consideration amount				8,400,000
Holdback Amount				2,000,000
Holdback amount, component one				1,000,000		1,000,000
Disposal Group, Including Discontinued Operation, Holdback Release, Business Days after Closing					3 days
Holdback amount, component two				1,000,000			1,000,000
Divestiture of Business Related Costs					1,000,000
Payments for Divestiture of Businesses	781,000	0	0
Lease obligation	50,000
Lease obligations, maximum exposure	200,000
Change in liabilities	$ 80,000	$ 70,000	$ 60,000