Note 9 - Warrants (Details Textual) - $ / shares		9 Months Ended
	Feb. 11, 2021	Sep. 30, 2026
Class of Warrant or Right, Number of Warrants Issued (in shares)		0
Warrants Issued in Connection with Private Placement [Member]
Class of Warrant or Right, Number of Warrants Issued (in shares)	2,500,000
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares)	2,500,000
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)	$ 5.1
The Placement Agent Warrants [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares)	350,000
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)	$ 6.45
Warrants and Rights Outstanding, Term (Year)	5 years 6 months