Note 9 - Related Parties (Details Textual) - USD ($)	3 Months Ended	12 Months Ended
Jun. 30, 2021	Dec. 31, 2021	Dec. 31, 2020	Sep. 30, 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

Carrying amount as of the balance sheet date of obligations due all related parties. For classified balance sheets, represents the current portion of such liabilities (due within one year or within the normal operating cycle if longer).

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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+ Details