Discontinued Operations Narrative (Details) (USD $)	3 Months Ended			0 Months Ended	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2013	Sep. 30, 2013 Portamedic Service Line [Member] holdback_component	Mar. 31, 2014 Portamedic Service Line [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from the sale of Portamedic	$ 743,000	$ 0		$ 8,100,000	$ 700,000
Consideration amount				8,400,000
Holdback amount				2,000,000
Holdback release, business days after closing				3 days
Number of holdback components				2
Assets held for sale	714,000		714,000
Adjustment to gain on sale of Portamedic and subsidiary	(150,000)	0
Holdback amount, component one				1,000,000
Holdback amount, component two				$ 1,000,000