Note 8 - Goodwill and Intangibles - Components of Intangible Assets (Details) - USD ($)	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021
Accumulated Amortization	$ (685,901)	$ (1,102,649)
Net Carrying Amount	253,865
Impairment, indefinite	3,349,375	2,893,548
Total, Gross Carrying Costs	4,289,141	7,958,314
Impairment	3,349,375	2,893,548
Total, Net Carrying Amount	253,865	3,962,118
Trade Names 1 [Member]
Tradename	80,000	478,000
Indefinite, accumulated amortization	(22,083)	(29,344)
Impairment, indefinite	57,917	370,740
Tradename	0	77,917
Patents and Trademarks [Member]
Gross Carrying Costs	509,141	453,314
Accumulated Amortization	(255,276)	(230,572)
Impairment, finite	(0)	(0)
Net Carrying Amount	253,865	222,742
Developed Technology Rights [Member]
Gross Carrying Costs	3,500,000	6,382,000
Accumulated Amortization	(386,459)	(432,733)
Impairment, finite	3,113,541	2,485,725
Net Carrying Amount	0	3,463,542
Customer Relationships [Member]
Gross Carrying Costs	200,000	645,000
Accumulated Amortization	(22,083)	(410,000)
Impairment, finite	177,917	37,083
Net Carrying Amount	$ 0	$ 197,917

The amount of accumulated impairment of intangible assets that are indefinite-lived, excluding goodwill.

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Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit, net of impairment.

+ References

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Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of an intangible asset (excluding goodwill) to fair value.

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The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value.

+ References

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Amount before accumulated amortization of intangible assets, excluding goodwill.

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Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

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