Income Taxes (Income Tax Benefit (Expense) Attributable To The Operating Loss) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Current:
Federal	$ (6)	$ 0
State	22	0
Foreign	22	62
Deferred:
Federal	(316)	49
State	0	0
Foreign	0	0
Deferred Federal, State and Local, Tax Expense (Benefit), Total	(278)	111
Discontinued Operations [Member]
Current:
Federal	0	11
State	0	1
Foreign	0	0
Deferred:
Federal	0	0
State	0	0
Foreign	0	0
Deferred Federal, State and Local, Tax Expense (Benefit), Total	$ 0	$ 12