Note 7 - Intellectual Property (Details Textual) - Weighted Average [Member]	Sep. 30, 2023	Dec. 31, 2022
Developed Technology Rights [Member]
Finite-Lived Intangible Assets, Remaining Amortization Period (Year)	3 years 4 months 24 days	4 years 2 months 12 days
Technology-Based Intangible Assets [Member]
Finite-Lived Intangible Assets, Remaining Amortization Period (Year)	3 years 7 months 6 days	4 years 3 months 18 days