Note 4 - Prepaid Expenses and Other Current Assets - Summary of Prepaid Expenses and Other Current Assets (Details) - USD ($)	Mar. 31, 2023	Dec. 31, 2022
Prepaid expenses	$ 12,076	$ 28,028
Tax Receivable – Canadian GST	1,652	2,210
Prepaid Expense and Other Assets, Current	$ 13,728	$ 30,238