Note 9 - Related Parties (Details Textual) - USD ($)	3 Months Ended	12 Months Ended
	Jun. 30, 2021	Dec. 31, 2022	Dec. 31, 2021
Adjustments to Additional Paid in Capital, Short Swing Profit Disgorgement	$ 32,000		$ 32,000
Services Agreements [Member]
Related Party Transaction, Monthly Rent		$ 2,500
Related Party Transaction, Expenses from Transactions with Related Party		30,000	$ 30,000
Due to Related Parties, Current, Total		$ 0