Discontinued Operations (Schedule Of Loss On Sale Of Discontinued Operations) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Loss on disposal of discontinued operations	$ 1,116
Discontinued Operations, Disposed of by Sale [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Accounts receivable, net	77
Write-down of inventory to realizable value	278
Write-down of property, plant and equipment to salvage value	298
Other assets and liabilities, net	71
Realized loss on foreign currency	280
Net assets disposed	1,004
Additional disposal costs, net	112
Loss on disposal of discontinued operations	$ 1,116