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Note 5 - Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2024

Notes Tables

Schedule of Finite-Lived Intangible Assets [Table Text Block]

		2024				2023
Customer relationships		$	461,997			$	489,273
Patent cost			173,624				183,874
			635,621				673,147
Less accumulated amortization			(596,254	)			(558,554	)
Intangible assets, net		$	39,367			$	114,593

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

		Amortization
Year ending December 31,		Expenses
2025			7,238
2026			7,238
2027			7,238
2028			7,238
2029			7,238
Thereafter			3,177
		$	39,367

X

- Definition

Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment.

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