Note 9 - Income Taxes (Details Textual)	9 Months Ended
	Dec. 31, 2022	Jan. 01, 2022
Effective Income Tax Rate Reconciliation, Percent, Total	23.50%	23.60%
Effective Income Tax Rate Reconciliation, Tax Credit, Federal, Percent	0.50%
Effective Income Tax Rate Reconciliation, Interest and Penalties, Percent	0.10%