Note 5 - Intangible Assets - Components of Intangible Assets (Details) - USD ($)	3 Months Ended		6 Months Ended		12 Months Ended
	Mar. 31, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Accumulated Amortization			$ (268,913)		$ (685,901)
Net Carrying Amount			266,183
Total, Gross Carrying Costs			535,096		4,289,141
Total, Net Carrying Amount			266,183		253,865
Impairment	$ 0	$ 0	0	$ 0	(3,349,375)
Trade Names 1 [Member]
Tradename			0		80,000
Tradename			0		(22,083)
Tradename			0		0
Impairment, indefinite					(57,917)
Patents and Trademarks [Member]
Gross Carrying Costs			535,096		509,141
Accumulated Amortization			(268,913)		(255,276)
Net Carrying Amount			266,183		253,865
Impairment, finite					0
Developed Technology Rights [Member]
Gross Carrying Costs			0		3,500,000
Accumulated Amortization			0		(386,459)
Net Carrying Amount			0		0
Impairment, finite					(3,113,541)
Customer Relationships [Member]
Gross Carrying Costs			0		200,000
Accumulated Amortization			0		(22,083)
Net Carrying Amount			$ 0		0
Impairment, finite					$ (177,917)