Segment and Geographic Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues from external customers	$ 9,181	$ 9,711	$ 18,830	$ 19,366
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues from external customers	4,440	4,516	8,874	9,082
Europe [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues from external customers	2,978	3,015	6,187	6,147
Asia Pacific [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues from external customers	565	659	1,233	1,269
Israel [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues from external customers	1,104	1,456	2,349	2,720
Other [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues from external customers	$ 94	$ 65	$ 187	$ 148