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Note 4 - Balance Sheet Components - Property, Plant and Equipment (Details) - USD ($) $ in Thousands | Mar. 30, 2024 | Dec. 30, 2023
--- | --- | ---
Property, Plant and Equipment, Net | $ 51,390 | $ 49,546
UNITED STATES |  |
Property, Plant and Equipment, Net | 31,917 | 29,467
TAIWAN |  |
Property, Plant and Equipment, Net | 9,152 | 10,222
PHILIPPINES |  |
Property, Plant and Equipment, Net | 4,918 | 4,602
CHINA |  |
Property, Plant and Equipment, Net | 2,762 | 2,778
Other [Member] |  |
Property, Plant and Equipment, Net | 2,641 | 2,477
Foreign Countries [Member] |  |
Property, Plant and Equipment, Net | $ 19,473 | $ 20,079

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