Segment and Geographic Information (Details 1) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Revenues from External Customers and Long-Lived Assets [Line Items]
Net amount of property and equipment	$ 4,410	$ 4,608
Israel [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net amount of property and equipment	1,291	1,217
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net amount of property and equipment	1,527	1,623
Germany [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net amount of property and equipment	1,345	1,453
Other [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net amount of property and equipment	$ 247	$ 315