Note 9 - Income Taxes - Effective Income Tax Rate Reconciliation for Computed Income Tax Expense (Benefit) (Details) - USD ($)	12 Months Ended
	Dec. 30, 2023	Dec. 31, 2022
Tax at statutory rate	$ 416,663	$ 578,214
State tax, net of federal benefit	142,562	177,036
Other	22,860	1,018
Total	$ 582,085	$ 756,268