Domestic And Foreign Income Taxes (Domestic And Foreign Income Taxes (Benefits)) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Domestic And Foreign Income Taxes [Abstract]
Current, Federal	$ 129	$ 62
Current, State	17	13
Current, Foreign	211	178	27
Total Current	357	253	27
Deferred, Federal	(126)	(26)
Deferred, State
Deferred, Foreign	(223)	(10)	(8)
Income Tax Expense	8	217	19
Foreign	(342)	661	1,792
Domestic	1,506	(3,418)	1,309
Income (loss) from continuing operations before income taxes and discontinued operations	$ 1,164	$ (2,757)	$ 3,101