Note 13 - Income Taxes - Components of Income Tax Expense Benefit (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Jan. 01, 2022	Jan. 02, 2021
Federal	$ 748	$ 445	$ 54
State	265	45	68
Foreign	3,637	1,538	1,025
Current Income Tax Expense (Benefit), Total	4,650	2,028	1,147
Federal	0	0	0
State	0	0	0
Foreign	(1,420)	(324)	(83)
Deferred Income Tax Expense (Benefit), Total	(1,420)	(324)	(83)
Income tax expense	$ 3,230	$ 1,704	$ 1,064