Note 2 - Liquidity and Uncertainties (Details Textual) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Retained Earnings (Accumulated Deficit)	$ (126,017,571)		$ (126,017,571)		$ (123,339,509)
Operating Income (Loss)	(1,469,179)	$ (1,506,705)	(4,714,670)	$ (5,126,933)
Cash, Cash Equivalents, and Marketable Securities	4,800,000		4,800,000
Working Capital	$ 6,900,000		6,900,000
Net Cash Provided by (Used in) Operating Activities			$ (1,408,387)	$ (4,080,330)