Note 10 - Income Taxes - Unrecognized Tax Benefits Roll Forward (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 29, 2024	Dec. 31, 2023	Jan. 01, 2023
Beginning balance of unrecognized tax benefits	$ 2,513	$ 2,249	$ 2,118
Additions (subtractions) for tax positions related to the prior year	(63)
Additions (subtractions) for tax positions related to the prior year		(2)	0
Additions for tax positions related to the current year	280	262	185
Lapse of statutes of limitations	0	0	(54)
Ending balance of unrecognized tax benefits	$ 2,730	$ 2,513	$ 2,249