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Note 3 - Intangible Assets - Schedule of Intangible Assets (Details) - USD ($)	Sep. 30, 2025	Dec. 31, 2024
Intangible Assets, Gross	$ 3,867,218	$ 3,636,177
Intangible Assets, Net	2,678,387	2,611,998
Trademarks [Member]
Indefinite-Lived Intangible Assets, Gross	26,529	22,767
Patents [Member]
Finite-Lived Intangible Assets, Gross	1,997,653	1,770,374
Accumulated amortization	(409,868)	(349,279)
Other Intangible Assets [Member]
Finite-Lived Intangible Assets, Gross	1,843,036	1,843,036
Accumulated amortization	$ (778,963)	$ (674,900)

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