Income Taxes (Income (Loss) Before Income Taxes For Each Jurisdiction) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Operating Loss Carryforwards [Line Items]
Income (loss) from continuing operations before income taxes and discontinued operations	$ 944	$ (314)
United States IRS [Member]
Operating Loss Carryforwards [Line Items]
Income (loss) before income taxes, United States	840	(229)
Singapore Tax Authority [Member]
Operating Loss Carryforwards [Line Items]
Income (loss) before income taxes, Foreign	248	(93)
Indonesia [Member]
Operating Loss Carryforwards [Line Items]
Income (loss) before income taxes, Foreign	21	16
United Kingdom [Member]
Operating Loss Carryforwards [Line Items]
Income (loss) before income taxes, Foreign	(236)	(125)
Germany [Member]
Operating Loss Carryforwards [Line Items]
Income (loss) before income taxes, Foreign	$ 71	$ 117