Note 10 - Provision for Taxes - Income Tax Expense (Benefit) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 25, 2021	Dec. 26, 2020
Income before taxes:	$ 22,614	$ 30,549	$ 32,922
Federal	4,149	4,819	5,479
State	720	758	854
Current Income Tax Expense (Benefit), Total	4,869	5,577	6,333
Federal	(502)	408	665
State	258	159	(10)
Deferred Income Tax Expense (Benefit), Total	(244)	567	655
Income Tax Expense (Benefit), Total	$ 4,625	$ 6,144	$ 6,988