Note 4 - Balance Sheet Components - Property, Plant and Equipment (Details) - USD ($) $ in Thousands	Apr. 01, 2023	Dec. 31, 2022
Property, Plant and Equipment, Net	$ 51,086	$ 47,614
UNITED STATES
Property, Plant and Equipment, Net	29,557	29,118
TAIWAN
Property, Plant and Equipment, Net	13,846	10,732
PHILIPPINES
Property, Plant and Equipment, Net	3,702	3,596
CHINA
Property, Plant and Equipment, Net	2,670	2,229
Other [Member]
Property, Plant and Equipment, Net	1,311	1,939
Foreign Countries [Member]
Property, Plant and Equipment, Net	$ 21,529	$ 18,496