Note 3 - Balance Sheet Components (10K) (Details Textual) - USD ($)	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021
Depreciation, Depletion and Amortization, Nonproduction	$ 56,284	$ 38,521
Other Liabilities		$ 2,000,000

Amount of liabilities classified as other.

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