Discontinued Operations (Schedule Of Loss On Sale Of Discontinued Operations) (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2019
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Loss on disposal of discontinued operations	$ 1,116	$ 1,116
Discontinued Operations, Disposed of by Sale [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cash and cash equivalents		5
Accounts receivable, net		72
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