Note 4 - Balance Sheet Components - Accrued Liabilities (Details) - USD ($) $ in Thousands	Apr. 01, 2023	Dec. 31, 2022
Liability for non-cancelable contracts	$ 10,972	$ 10,498
Liability for taxes payable	7,175	4,268
Contract liabilities	6,065	17,666
Liability for production materials	6,002	6,002
Other accrued liabilities	4,018	3,579
Total accrued liabilities	40,661	48,467
Accrued Liabilities [Member]
Current portion of operating lease liabilities	$ 6,429	$ 6,454