Note 4 - Balance Sheet Components - Accrued Liabilities (Details) - USD ($) $ in Thousands	Jul. 01, 2023	Dec. 31, 2022
Liability for non-cancelable contracts	$ 10,254	$ 10,498
Liability for production materials	4,049	6,002
Contract liabilities	3,937	17,666
Other accrued liabilities	8,739	7,847
Total accrued liabilities	32,877	48,467
Accrued Liabilities [Member]
Current portion of operating lease liabilities	$ 5,898	$ 6,454