Segment Information (Schedule of Long-Lived Asset by Geographic Region) (Details) - USD ($) $ in Thousands	Jun. 28, 2020	Dec. 31, 2019
Revenues from External Customers and Long-Lived Assets [Line Items]
Total	$ 47,310	$ 46,600
United States (U.S.)
Revenues from External Customers and Long-Lived Assets [Line Items]
Total	20,807	23,137
Americas (excluding U.S.)
Revenues from External Customers and Long-Lived Assets [Line Items]
Total	3,703	4,036
EMEA
Revenues from External Customers and Long-Lived Assets [Line Items]
Total	3,932	3,782
Singapore
Revenues from External Customers and Long-Lived Assets [Line Items]
Total	5,999
China
Revenues from External Customers and Long-Lived Assets [Line Items]
Total	3,944	5,040
APAC (excluding Singapore and China)
Revenues from External Customers and Long-Lived Assets [Line Items]
Total	$ 8,925	$ 10,605