Note 4 - Balance Sheet Components - Property, Plant and Equipment (Details) - USD ($) $ in Thousands	Mar. 29, 2025	Dec. 28, 2024
Property, Plant and Equipment, Net	$ 55,699	$ 52,988
UNITED STATES
Property, Plant and Equipment, Net	27,511	26,578
TAIWAN
Property, Plant and Equipment, Net	11,440	11,234
PHILIPPINES
Property, Plant and Equipment, Net	6,088	6,086
INDIA
Property, Plant and Equipment, Net	3,550	2,165
CHINA
Property, Plant and Equipment, Net	2,845	2,504
Other [Member]
Property, Plant and Equipment, Net	4,265	4,421
Foreign Countries [Member]
Property, Plant and Equipment, Net	$ 28,188	$ 26,410