Note 6 - Stock Warrants - Summary of Warrants (Details)	9 Months Ended
	Sep. 30, 2024 $ / shares shares
Number of shares (in shares) | shares	1,901,631
Exercise price (in dollars per share) | $ / shares	$ 12.79
Remaining contractual life (Year)	1 year 4 months 28 days
Warrant One [Member]
Number of shares (in shares) | shares	431,250
Exercise price (in dollars per share) | $ / shares	$ 10
Remaining contractual life (Year)	3 months 29 days
Warrant Two [Member]
Number of shares (in shares) | shares	958,334
Exercise price (in dollars per share) | $ / shares	$ 20
Remaining contractual life (Year)	1 year 7 months 6 days
Warrant Three [Member]
Number of shares (in shares) | shares	512,047
Exercise price (in dollars per share) | $ / shares	$ 1.66
Remaining contractual life (Year)	1 year 11 months 15 days