Financial Expense, Net (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Income:
Interest on cash and cash equivalents	$ 32	$ 58
Expenses:
Interest and accretion of discount	(565)	(135)
Foreign currency exchange differences, net	(130)	(131)
Other	(64)	(47)
Total financial expenses	(759)	(313)
Financial income (expenses), net	$ (727)	$ (255)