Note 11 - Stockholders' Equity and Common Stock Warrants (Details Textual) - USD ($)				1 Months Ended	12 Months Ended
	Dec. 11, 2024	Apr. 01, 2024	Feb. 26, 2024	Jul. 31, 2023	Dec. 31, 2024	Dec. 31, 2023
Sale of common stock (in shares)				63,422
Shares Issued, Price Per Share				$ 12.78
Proceeds from Issuance of Common Stock				$ 800,000	$ 46,398,606	$ 810,000
Series A Warrant [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights		2,532,285
Prefunded Warrant [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights		449,023
Class of Warrant or Right, Exercised	449,023		499,995
Share-Based Payment Arrangement, Shares Withheld for Tax Withholding Obligation	45		36
Stock Issued During Period, Shares, Exercise Of Warrants	448,978		495,959
Private Placement [Member]
Sale of common stock (in shares)		2,083,262
Proceeds from Issuance or Sale of Equity		$ 50,000,000
Payments of Stock Issuance Costs		$ 3,600,000
Sales Agreement [Member]
Share Sales Agreement, Maximum Amount					$ 20,000,000