Note 4 - Intangible Assets

9 Months Ended

Dec. 31, 2024

Notes to Financial Statements

Intangible Assets Disclosure [Text Block]

NOTE 4 - INTANGIBLE ASSETS

	December 31, 2024										March 31, 2024
	Cost		Weighted Average Amortization Period (Years)			Accumulated Amortization			Net Carrying Amount		Cost		Weighted Average Amortization Period (Years)			Accumulated Amortization			Net Carrying Amount
Patents & Trademarks	$	35,794	10	-	15	$	(27,071	)	$	8,723	$	35,794	10	-	15	$	(25,516	)	$	10,278
Software	$	14,515		3		$	(6,050	)	$	8,465	$	14,515		3		$	(2,420	)	$	12,095
	$	50,309				$	(33,121	)	$	17,188	$	50,309				$	(27,936	)	$	22,373

Estimated aggregate future amortization expense related to intangible assets is as follows:

For the fiscal years ended March 31,
2025	$	1,779
2026		6,933
2027		4,225
2028		1,810
2029		1,613
thereafter		828
	$	17,188