Segment Information (Schedule of Long-Lived Asset by Geographic Region) (Details) - USD ($) $ in Thousands		Jun. 27, 2021	Dec. 31, 2020
Revenues from External Customers and Long-Lived Assets [Line Items]
Total		$ 40,015	$ 45,491
United States (U.S.)
Revenues from External Customers and Long-Lived Assets [Line Items]
Total		16,683	19,173
Americas (excluding U.S.)
Revenues from External Customers and Long-Lived Assets [Line Items]
Total		2,207	2,845
EMEA
Revenues from External Customers and Long-Lived Assets [Line Items]
Total		2,901	3,215
Singapore
Revenues from External Customers and Long-Lived Assets [Line Items]
Total		5,322	5,964
APAC (excluding Singapore)
Revenues from External Customers and Long-Lived Assets [Line Items]
Total	[1]	$ 12,902	$ 14,294

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