Note 6 - Convertible Promissory Note- Schedule of Convertible Debt (Details) - The July 2019 Note [Member] - Convertible Debt [Member] - USD ($)	12 Months Ended
Dec. 31, 2023	Jan. 31, 2024	Jan. 31, 2023	Jul. 23, 2019
Maturity date	Jan. 31, 2024
Stated interest rate	24.00%			24.00%
conversion price (in dollars per share)	$ 0.79	$ 1.07	$ 2.87
face value	$ 397,000			$ 1,000,000
Debt Instrument, Unamortized Discount (Premium), Net	(19,000)
December 31, 2022	$ 378,000

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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The price per share of the conversion feature embedded in the debt instrument.

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- Definition

Face (par) amount of debt instrument at time of issuance.

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- Definition

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

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- Definition

Date when the debt instrument is scheduled to be fully repaid, in YYYY-MM-DD format.

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Amount, after accumulated amortization, of debt discount (premium).

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