Income Taxes (Income (Loss) Before Income Taxes For Each Jurisdiction) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Operating Loss Carryforwards [Line Items]
Income from continuing operations before income taxes and discontinued operations	$ 1,806	$ 1,126	$ 5,037	$ 1,194
United States IRS [Member]
Operating Loss Carryforwards [Line Items]
Income before income taxes, United States	1,575	1,170	4,875	1,427
Singapore Tax Authority [Member]
Operating Loss Carryforwards [Line Items]
Income before income taxes, Foreign	378	245	724	168
Indonesia [Member]
Operating Loss Carryforwards [Line Items]
Income before income taxes, Foreign	18	20	60	54
United Kingdom [Member]
Operating Loss Carryforwards [Line Items]
Income before income taxes, Foreign	(299)	(184)	(869)	(595)
Germany [Member]
Operating Loss Carryforwards [Line Items]
Income before income taxes, Foreign	$ 134	$ (125)	$ 247	$ 140