Note 8 - Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Apr. 27, 2024	Apr. 29, 2023
Deferred tax assets:
Accrued expenses and other	$ 3,923	$ 4,671
Inventory and amortizable assets	575	545
Total deferred tax assets	4,498	5,216
Deferred tax liabilities:
Property	25,002	23,715
Intangibles and other	2,743	1,315
Total deferred tax liabilities	27,745	25,030
Deferred tax liabilities, net	$ 23,247	$ 19,814