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Note 9 - Selling, General and Administrative - Selling, General and Administrative Expenses (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Filing and regulatory fees $ 8,514 $ 5,789 $ 26,557 $ 34,280
Marketing 0 19,359 0 73,053
Professional fees 13,614 20,733 39,722 67,882
Rent 10,936 10,249 32,587 28,807
Office and administration 45,985 60,033 101,830 106,963
Selling, General and Administrative Expense $ 79,049 $ 116,163 $ 200,696 $ 310,987