Note 9 - Intellectual Property (Details Textual) - Weighted Average [Member]	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Developed Technology Rights [Member]
Finite-Lived Intangible Assets, Remaining Amortization Period (Year)	4 years 2 months 12 days	1 year 7 months 6 days
Technology-Based Intangible Assets [Member]
Finite-Lived Intangible Assets, Remaining Amortization Period (Year)	4 years 3 months 18 days	5 years 3 months 18 days