Discontinued Operations (Schedule Of Loss On Sale Of Discontinued Operations) (Details) - USD ($) $ in Thousands		9 Months Ended
Feb. 17, 2017	Sep. 30, 2017
Loss on sale of discontinued operations, net of income taxes		$ 164
Discontinued Operations, Disposed of by Sale [Member] \| Cardiac Diagnostic Monitoring Business [Member]
Accounts receivable, net	$ 179
Accrued liabilities	(15)
Net assets sold	164
Fair value of consideration received
Loss on sale of discontinued operations, net of income taxes	$ 164

Disposal Group, Including Discontinued Operation, Assets (Liabilities) Of Disposal Group

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- Definition

Disposal Group, Including Discontinued Operation, Consideration, Fair Value

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Amount after tax of gain (loss) not previously recognized resulting from the disposal of a discontinued operation.

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Amount classified as accounts, notes and loans receivable attributable to disposal group held for sale or disposed of.

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Amount classified as accrued liabilities attributable to disposal group held for sale or disposed of, expected to be disposed of within one year or the normal operating cycle, if longer.

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