Note 7 - Convertible Debentures and Notes Payable - Schedule of Long-term Debt Instruments (Details) (Parentheticals) - USD ($)	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022
Notes Payable, Other Payables [Member] \| Related Party One [Member]
Stated interest rate	6.00%	6.00%
Maturity date	Mar. 31, 2026	Mar. 31, 2026
Notes Payable, Other Payables [Member] \| Related Party Two [Member]
Stated interest rate	4.00%	4.00%
Maturity date	Mar. 31, 2026	Mar. 31, 2026
Notes Payable, Other Payables [Member] \| Related Party Three [Member]
Stated interest rate	6.00%	6.00%
Maturity date	Mar. 31, 2026	Mar. 31, 2026
Notes Payable to Banks [Member]
Stated interest rate	5.99%	5.99%
Periodic payments	$ 1,046	$ 1,046
Notes Payable for Purchase Contract, One [Member]
Stated interest rate		5.00%
Periodic payments		$ 4,442
Notes Payable for Purchase Contract, Two [Member]
Stated interest rate	8.00%
Periodic payments	$ 10,000

Contractual interest rate for funds borrowed, under the debt agreement.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
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Date when the debt instrument is scheduled to be fully repaid, in YYYY-MM-DD format.

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Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 470
-SubTopic 20
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Amount of the required periodic payments applied to principal.

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