Note 5 - Prepaid Expenses (Details Textual) - USD ($)	Dec. 31, 2020	Dec. 31, 2019
Prepaid Expense and Other Assets	$ 89,970	$ 109,914
Prepaid Expense, Current, Total	89,970	109,914
Leasehold Improvements [Member]
Prepaid Expense, Current, Total	$ 23,831	$ 32,484