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Note 1 - Organization and Summary of Significant Accounting Policies - Prepaid Expenses and Other Current Assets (Details) - USD ($)
Dec. 31, 2024
Dec. 31, 2023
Prepaid insurance $ 182,270 $ 209,888
Prepaid expenses - various 117,560 117,887
Prepaid taxes 3,236 0
Prepaid Expense and Other Assets, Current $ 303,066 $ 327,775