Segment and Geographic Information (Details 2) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Revenues from External Customers and Long-Lived Assets [Line Items]
Net amount of property and equipment	$ 4,675	$ 4,410
Israel [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net amount of property and equipment	1,121	1,291
Germany [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net amount of property and equipment	1,873	1,345
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net amount of property and equipment	1,486	1,527
Other [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net amount of property and equipment	$ 195	$ 247