Segment Information (Schedule of Long-Lived Asset by Geographic Region) (Details) - USD ($) $ in Thousands		Sep. 27, 2020	Dec. 31, 2019
Revenues from External Customers and Long-Lived Assets [Line Items]
Total		$ 46,494	$ 46,600
United States (U.S.)
Revenues from External Customers and Long-Lived Assets [Line Items]
Total		19,844	23,137
Americas (excluding U.S.)
Revenues from External Customers and Long-Lived Assets [Line Items]
Total		3,152	4,036
EMEA
Revenues from External Customers and Long-Lived Assets [Line Items]
Total		3,520	3,782
Singapore
Revenues from External Customers and Long-Lived Assets [Line Items]
Total		5,891	0
China
Revenues from External Customers and Long-Lived Assets [Line Items]
Total		4,234	5,040
APAC (excluding Singapore and China)
Revenues from External Customers and Long-Lived Assets [Line Items]
Total	[1]	$ 9,853	$ 10,605

[1] No individual country, other than disclosed above, represented more than 10% of the Company’s total long-lived assets in the periods presented.