Discontinued Operations Operation Assets of Portamedic (Details) (USD $)	3 Months Ended	6 Months Ended
Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenues	$ 4,012,000	$ 6,498,000	$ 9,312,000	$ 13,473,000
Loss from discontinued operations	(771,000)	586,000	(481,000)	1,374,000
Adjustment to gain on sale of Portamedic and subsidiary	0	75,000	(150,000)	75,000
Portamedic Service Line [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenues	0	21,857,000	0	45,505,000
Loss from discontinued operations	(99,000)	(1,900,000)	(69,000)	(2,433,000)
Tax Effect of Discontinued Operation (less than $0.1 million)		$ 100,000		$ 100,000

Overall income (loss) from a disposal group that is classified as a component of the entity, before income tax, reported as a separate component of income before extraordinary items. Includes the following (before income tax): income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal.

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Tax effect allocated to a disposal group that is classified as a component of the entity reported as a separate component of income before extraordinary items. Includes the tax effects of the following: income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal.

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