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Note 14 - Related Party Transactions (Details Textual) - USD ($)		1 Months Ended	12 Months Ended
	Jul. 15, 2021	Jan. 31, 2022	Sep. 24, 2022	Sep. 25, 2021	Aug. 24, 2022	Aug. 04, 2022
Interest Paid, Excluding Capitalized Interest, Operating Activities			$ 30,433	$ 0
Director [Member] \| Unregistered Common Stock [Member]
Stock Issued During Period, Shares, New Issues	4,000
Shares Issued, Price Per Share	$ 4.00
Mr. Carl H. Guild [Member]
Notes Payable, Total			3,000,000
Interest Payable			106,000
Interest Paid, Excluding Capitalized Interest, Operating Activities		$ 30,000
Mr. Carl H. Guild [Member] \| Demand Promissory Note [Member]
Notes Payable, Total			4,000,000		$ 4,000,000	$ 4,000,000
Mr. Carl H. Guild [Member] \| Previously Loaned Promissory Note 1 [Member]
Notes Payable, Total			$ 1,000,000		$ 1,000,000
Debt Instrument, Interest Rate, Stated Percentage			6.00%		6.00%
Mr. Carl H. Guild [Member] \| Previously Loaned Promissory Note 2 [Member]
Notes Payable, Total			$ 2,000,000		$ 2,000,000
Debt Instrument, Interest Rate, Stated Percentage			7.50%		7.50%
Mr. Carl H. Guild [Member] \| Previously Loaned Promissory Note 3 [Member]
Notes Payable, Total			$ 1,000,000
Debt Instrument, Interest Rate, Stated Percentage			7.50%