Geographic Information and Major Customer and Product Data (Details 1) - USD ($) $ in Thousands		Dec. 31, 2019	Dec. 31, 2018
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets		$ 501	$ 626
Israel [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	[1]	179	206
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	[1]	244	330
Germany [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	[1]	$ 78	$ 90

[1] Long-lived assets are comprised of property and equipment, net.