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Note 1 - Organization and Summary of Significant Accounting Policies - Accounts Payable (Details) - USD ($)	Jun. 30, 2023	Dec. 31, 2022
Research and development expenses	$ 830,059	$ 1,067,958
Legal expenses	30,564	56,514
Other	45,253	151,841
Accounts Payable, Current	$ 905,876	$ 1,276,313

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Represents current research and development in process.

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