Note 4 - Balance Sheet Components - Accrued Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Jan. 01, 2022
Contract liability under ASC 606	$ 17,666	$ 4,768
Liability for non-cancelable contracts	10,498	9,930
Liability for production materials	6,002	0
Other accrued liabilities	7,847	6,050
Total accrued liabilities	48,467	26,444
Accrued Liabilities [Member]
Current portion of operating lease liabilities	$ 6,454	$ 5,696