Note 23 - Subsequent Events (Details Textual) - USD ($)		1 Months Ended	4 Months Ended	5 Months Ended	12 Months Ended
	Jul. 25, 2024	Jan. 31, 2025	Dec. 31, 2024	Dec. 31, 2024	Dec. 31, 2024	Dec. 31, 2023	Sep. 12, 2024
Proceeds from Issuance of Common Stock					$ 11,080,000	$ 136,000
At Market Issuance Sales Agreement (the “ATM”) [Member] | Alliance Global Partners (“A.G.P.”) [Member]
Equity Offering, Maximum Amount			$ 5,230,000	$ 5,230,000	$ 5,230,000		$ 2,600,000
Stock Issued During Period, Shares, New Issues (in shares)			3,528,617
Proceeds from Issuance of Common Stock			$ 5,229
Share Purchase Agreement [Member] | New Circle Principal Investments LLC [Member]
Equity Offering, Maximum Amount	$ 50,000,000
Stock Issued During Period, Shares, New Issues (in shares)	225,563			1,325,713
Proceeds from Issuance of Common Stock				$ 1,679
Subsequent Event [Member]
Securities Purchase Agreement, Aggregate Principal Amount		$ 3,240
Subsequent Event [Member] | At Market Issuance Sales Agreement (the “ATM”) [Member] | Alliance Global Partners (“A.G.P.”) [Member]
Equity Offering, Maximum Amount		$ 15,293,000
Stock Issued During Period, Shares, New Issues (in shares)		2,359,023
Proceeds from Issuance of Common Stock		$ 3,015,000
Subsequent Event [Member] | Share Purchase Agreement [Member] | New Circle Principal Investments LLC [Member]
Stock Issued During Period, Shares, New Issues (in shares)		2,155,000
Proceeds from Issuance of Common Stock		$ 4,800,000
Subsequent Event [Member] | Securities Purchase Agreement Warrants [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares)		805,263
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)		$ 2.22
Warrants and Rights Outstanding, Term (Year)		4 years
Subsequent Event [Member] | Senior Unsecured Convertible Promissory Note [Member]
Debt Instrument, Face Amount		$ 3,000
Debt Instrument, Discount, Percent		7.40%
Debt Instrument, Term (Year)		18 months
Debt Instrument, Interest Rate, Stated Percentage		7.00%
Debt Instrument, Convertible, Conversion Price (in dollars per share)		$ 2.22