Discontinued Operations Narrative (Details) (USD $)	1 Months Ended	3 Months Ended		9 Months Ended		0 Months Ended	3 Months Ended		9 Months Ended
	Jun. 30, 2013	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013 Portamedic Service Line [Member]	Sep. 30, 2013 Portamedic Service Line [Member]	Sep. 30, 2012 Portamedic Service Line [Member]	Sep. 30, 2013 Portamedic Service Line [Member]	Sep. 30, 2012 Portamedic Service Line [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Consideration amount						$ 8,400,000	$ 8,400,000		$ 8,400,000
Proceeds from the sale of Portamedic				6,053,000	0	8,100,000			6,100,000
Holdback amount						2,000,000	2,000,000		2,000,000
Holdback release, business days after closing						3 days
Holdback release, amounts paid threshold						1,000,000	1,000,000		1,000,000
Holdback release, amount less deductions for indemnification claims						1,000,000	1,000,000		1,000,000
Holdback receivable recorded						2,000,000	2,000,000		2,000,000
Divestiture of business related costs									900,000
Working capital									9,400,000
Loss from discontinued operations, net of tax							(1,958,000)	(997,000)	(4,709,000)	(5,446,000)
Decrease in reserve for lease obligation	100,000
Lease obligations		100,000		100,000
Lease obligations future minimum payments due		100,000		100,000
Gain on sale of Portamedic and subsidiary		$ 3,543,000	$ 0	$ 3,618,000	$ 65,000