Note 8 - Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	May 01, 2021	May 02, 2020
Deferred tax assets:
Accrued expenses and other	$ 3,347	$ 4,930
Inventory and amortizable assets	544	565
Total deferred tax assets	3,891	5,495
Deferred tax liabilities:
Property	18,814	18,872
Intangibles and other	2,371	1,446
Total deferred tax liabilities	21,185	20,318
Net deferred tax liabilities	$ 17,294	$ 14,823