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Note 9 - Selling, General and Administrative - Selling, General and Administrative Expenses (Details) - USD ($)
3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Filing and regulatory fees $ 12,577 $ 22,447
Marketing 0 37,965
Professional fees 14,091 6,225
Rent 10,813 9,381
Office and administration 35,296 20,235
Selling, General and Administrative Expense $ 72,777 $ 96,253