Note 11 - Related Parties (Details Textual) - USD ($)	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Related Party Transaction, Expenses from Transactions with Related Party	$ 129,297	$ 129,120
Reimbursement [Member]
Related Party Transaction, Amounts of Transaction	51,951	129,120
Consulting Fees [Member]
Related Party Transaction, Amounts of Transaction	45,000	0
Related Party Transaction, Expenses from Transactions with Related Party	45,000	0
Share-based Compensation [Member]
Related Party Transaction, Amounts of Transaction	32,346	94,236
Related Party Transaction, Expenses from Transactions with Related Party	32,346	$ 94,236
Research and Development Expense [Member]
Related Party Transaction, Expenses from Transactions with Related Party	$ 0