Note 5 - Stockholders' Equity (Details Textual) - $ / shares	1 Months Ended	9 Months Ended
Sep. 30, 2023	Aug. 31, 2023	Mar. 31, 2023	Sep. 30, 2023
Stock Issued During Period, Shares, Issued for Services	73,385	178,253	108,696
Class of Warrant or Right, Outstanding	13,384,115			13,384,115
Class Of Warrant Or Right Outstanding Weighted Average Exercise Price	$ 2.77			$ 2.77
Warrants and Rights Outstanding, Term	3 years 9 months 18 days			3 years 9 months 18 days
Stock Incentive Plan 2020 [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures in Period				40,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number	2,018,800			2,018,800
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price	$ 1.89			$ 1.89
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term				7 years 6 months
Common Stock, Capital Shares Reserved for Future Issuance	5,018,800			5,018,800

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Number of warrants or rights outstanding.

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Aggregate number of common shares reserved for future issuance.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
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The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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Number of options outstanding, including both vested and non-vested options.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Number of shares issued in lieu of cash for services contributed to the entity. Number of shares includes, but is not limited to, shares issued for services contributed by vendors and founders.

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Period between issuance and expiration of outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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