Supplementary Financial Statements Information (Details 1) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Other Accounts Payable:
Employees and wage-related liabilities	$ 442	$ 650
Deferred revenues and credit card	88	1,532
Accrued expenses	442	720
Other current liabilities	239	244
Other accounts payable	$ 1,211	$ 3,146