v3.26.1
Business Segments - Revenue Information by Geographic Region (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jul. 04, 2026
Jun. 28, 2025
Jul. 04, 2026
Jun. 28, 2025
Revenues From External Customers And Long Lived Assets [Line Items]        
Total revenues $ 12,566 $ 13,571 $ 24,365 $ 25,467
United States        
Revenues From External Customers And Long Lived Assets [Line Items]        
Total revenues 5,129 5,760 10,998 11,043
Europe, Middle East and Africa        
Revenues From External Customers And Long Lived Assets [Line Items]        
Total revenues 3,453 3,653 6,794 6,514
Asia/Pacific Rim        
Revenues From External Customers And Long Lived Assets [Line Items]        
Total revenues 3,409 3,675 5,448 7,035
Americas, excluding the U.S.        
Revenues From External Customers And Long Lived Assets [Line Items]        
Total revenues $ 575 $ 483 $ 1,125 $ 875