Note 9 - Income Taxes - Effective Income Tax Rate Reconciliation for Computed Income Tax Expense (Benefit) (Details) - USD ($)	12 Months Ended
	Dec. 25, 2021	Dec. 26, 2020
Tax at statutory rate	$ 106,869	$ 188,899
State tax, net of federal benefit	36,301	360
Net operating loss and credit carryforwards		33,873
Valuation allowance	(2,849,693)	(324,045)
Other	(455)	92,365
Total	$ (2,706,978)	$ (8,548)