Note 5 - Intangible Assets - Components of Intangible Assets (Details) - USD ($)	Dec. 31, 2023	Dec. 31, 2022
Gross Carrying Costs	$ 535,096	$ 4,289,141
Accumulated Amortization	(286,639)	(685,901)
Net Carrying Amount	252,457	253,865
Impairment		(3,349,375)
Trade Names 1 [Member]
Gross Carrying Costs	0	80,000
Accumulated Amortization	0	(22,083)
Net Carrying Amount	0	0
Impairment		(57,917)
Patents and Trademarks [Member]
Gross Carrying Costs	535,096	509,141
Accumulated Amortization	(286,639)	(255,276)
Net Carrying Amount	252,457	253,865
Impairment		0
Developed Technology Rights [Member]
Gross Carrying Costs	0	3,500,000
Accumulated Amortization	0	(386,459)
Net Carrying Amount	0	0
Impairment		(3,113,541)
Customer Relationships [Member]
Gross Carrying Costs	0	200,000
Accumulated Amortization	0	(22,083)
Net Carrying Amount	$ 0	0
Impairment		$ (177,917)