Discontinued Operations (Summary Of Results 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 from discontinued operations	$ (405)	$ (597)
Discontinued Operations [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenue, net	529	1,068
Cost of goods sold	321	667
Gross profit	208	401
Sales and marketing	167	314
General and administrative	446	684
Total operating expenses	613	998
Loss from discontinued operations	$ (405)	$ (597)