Income Taxes (Income (Loss) Before Income Taxes For Each Jurisdiction) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Operating Loss Carryforwards [Line Items]
Income from continuing operations before income taxes and discontinued operations	$ 2,277	$ 382	$ 3,230	$ 68
United States IRS [Member]
Operating Loss Carryforwards [Line Items]
Income (loss) before income taxes, United States	2,450	486	3,299	257
Singapore Tax Authority [Member]
Operating Loss Carryforwards [Line Items]
Income (loss) before income taxes, Foreign	98	16	346	(77)
Indonesia [Member]
Operating Loss Carryforwards [Line Items]
Income (loss) before income taxes, Foreign	21	18	42	34
United Kingdom [Member]
Operating Loss Carryforwards [Line Items]
Income (loss) before income taxes, Foreign	(334)	(286)	(570)	(411)
Germany [Member]
Operating Loss Carryforwards [Line Items]
Income (loss) before income taxes, Foreign	$ 42	$ 148	$ 113	$ 265