Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Income (loss) before income tax:
Loss from continuing operations before income taxes	$ (1,914)	$ (16,933)
Foreign tax
Income tax expense (benefit)
Israel Tax Authority [Member] | Foreign Tax Authority [Member]
Income (loss) before income tax:
Foregin income (loss) before income tax	(62)	(453)
Foreign tax
Current
Deferred
Internal Revenue Service (IRS) [Member] | State and Local Jurisdiction [Member]
United States - State tax
Current
Deferred
Internal Revenue Service (IRS) [Member] | Federal Tax Authority [Member]
Income (loss) before income tax:
Domestic income (loss) before income tax	(1,739)	(16,261)
United States - Federal tax
Current
Deferred
Her Majesty's Revenue and Customs (HMRC) [Member] | Foreign Tax Authority [Member]
Income (loss) before income tax:
Foregin income (loss) before income tax	(113)	(219)
Foreign tax
Current
Deferred