Note 12 - Warrants - Schedule of Warrant Activity (Details) - $ / shares		12 Months Ended
	Jun. 06, 2023	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Outstanding, shares (in shares)		1,158,015	400,359
Outstanding, exercise price (in dollars per share)		$ 3.43	$ 0.82
Outstanding, weighted average remaining life (Year)		7 years 8 months 15 days	3 years 6 months 29 days	2 years 9 months 29 days
Previously issued regular warrants exchanged, shares (in shares)		(723,793)	(266,667)
Previously issued regular warrants exchanged, exercise price (in dollars per share)		$ 4.1	$ 45
Exchanged revalued warrants issued, shares (in shares)		723,793	266,667
Exchanged revalued warrants issued, exercise price (in dollars per share)		$ 0	$ 0.6
Exchanged revalued warrants issued, term (Year)		7 years 8 months 8 days	5 months 4 days
Exercised, shares (in shares)	(125,359)	(545,374)	(125,359)
Exercised, exercise price (in dollars per share)		$ 0.68	$ (0.1)
Expired, shares (in shares)		(5,833)
Expired, exercise price (in dollars per share)		$ 26.42
Outstanding, shares (in shares)		606,808	1,158,015	400,359
Outstanding, exercise price (in dollars per share)		$ 0.09	$ 3.43	$ 0.82
Previously issued regular warrants, exercise price (in dollars per share)		$ (4.1)	$ (45)
Previously issued regular warrants, term (Year)			5 months 4 days
Issued and vested, shares (in shares)			883,015
Issued and vested, exercise price (in dollars per share)			$ 4.15
Issued and vested, term (Year)			3 years 1 month 24 days