Note 9 - Convertible Note Payable (Details Textual) - USD ($)				3 Months Ended
	Dec. 21, 2023	Oct. 31, 2023	Dec. 22, 2022	Mar. 31, 2024	Mar. 31, 2023
Class of Warrant or Right, Issued During Period (in shares)				0	0
Warrants Issued in Connection with Convertible Notes [Member]
Class of Warrant or Right, Issued During Period (in shares)			11,112
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)			$ 54
Warrants and Rights Outstanding, Term (Year)			5 years
Warrants and Rights Outstanding			$ 94,316
The Note [Member]
Repayments of Notes Payable	$ 800,000	$ 1,400,000
The Note [Member] | Senior Secured Promissory Note [Member]
Debt Instrument, Face Amount			2,200,000
Proceeds from Debt, Net of Issuance Costs			$ 2,002,000
Debt Instrument, Interest Rate, Stated Percentage			10.00%	12.00%
The Note [Member] | Senior Secured Convertible Note [Member]
Stock Issued During Period, Shares, Commitment Fees (in shares)			38,889
Shares Issued, Price Per Share (in dollars per share)			$ 18