Note 6 - Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2024

Notes Tables

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

	As of March 31, 2024							As of December 31, 2023
	Gross Carrying Costs		Accumulated Amortization			Net Carrying Amount		Gross Carrying Costs		Accumulated Amortization			Net Carrying Amount
Patents & Trademarks	$	535,096	$	(289,502	)	$	245,594	$	535,096	$	(282,639	)	$	252,457

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

Year Ending December 31,	Expense
Remainder of 2024	$	20,588
2025		27,451
2026		27,451
2027		27,451
2028		27,451
Thereafter		115,202
Total	$	245,594