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Note 6 - Stockholders' Equity (Details Textual) - USD ($)	Jan. 12, 2024	Mar. 31, 2025	Dec. 31, 2024	Mar. 31, 2024	Dec. 31, 2023
Deferred Compensation Arrangement with Individual, Shares Authorized for Issuance (in shares)		3,708,663	3,393,017	3,507,618	3,098,917
Chief Executive Officer, and Other Employees [Member]
Deferred Compensation Arrangement with Individual, Shares Authorized for Issuance (in shares)		3,076,871		2,979,994
Non-Employees [Member]
Common Stock, Capital Shares Reserved for Future Issuance (in shares)		631,792		527,624
Over-Allotment Option [Member]
Stock Issued During Period, Shares, New Issues (in shares)	372,110
Proceeds from Issuance of Common Stock	$ 192,156