Note 3 - Revenues - Revenues by Product (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Total revenues	$ 495,477	$ 452,167	$ 765,006	$ 1,188,957
Trappsol Cyclo [Member]
Total revenues	342,184	337,474	485,412	759,079
Trappsol HPB [Member]
Total revenues	152,135	113,394	267,338	422,418
Aquaplex [Member]
Total revenues	60	0	9,922	816
Product and Service, Other [Member]
Total revenues	$ 1,098	$ 1,299	$ 2,334	$ 6,644