Note 15 - Notes Payable - Related Parties (Details Textual)	Mar. 31, 2024 USD ($)
Related Party [Member]
Interest Payable	$ 100,000
Unsecured Promissory Notes [Member]
Debt Instrument, Interest Rate, Stated Percentage	12.00%
Unsecured Promissory Notes [Member] | Director Charles R. Wesley IV [Member]
Debt Instrument, Face Amount	$ 2,000,000
Unsecured Promissory Notes [Member] | Director David J. Lubar [Member]
Debt Instrument, Face Amount	2,500,000
Unsecured Promissory Notes [Member] | Director David C. Hardie [Member]
Debt Instrument, Face Amount	$ 500,000