Note 15 - Common Stock Warrants (Details Textual) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended	6 Months Ended
	Feb. 28, 2026	Jun. 30, 2025	Jun. 30, 2026
Weighted Average [Member]
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)			$ 2.93
Warrants and Rights Outstanding, Term (Year)			4 years 3 months 18 days
Prefunded Warrants [Member]
Class of Warrant or Right Issued During Period, Shares (in shares)	437,012
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)	$ 0.0001		$ 0.613
Series A Warrants [Member]
Class of Warrant or Right, Exercises During Period (in shares)		7,524
Proceeds from Warrant Exercises		$ 109