Note 5 - Intangible Assets

3 Months Ended

Jun. 30, 2020

Notes to Financial Statements

Intangible Assets Disclosure [Text Block]

NOTE 

5

 - INTANGIBLE ASSETS

Intangible assets are being amortized using the straight line method over periods ranging from 

10

-

15

 years with a weighted average remaining life of approximately 

6

years.

	June 30, 2020											March 31, 2020
	Cost		Accumulated Amortization			Net Carrying Amount		Amortization Period (Years)				Cost		Accumulated Amortization			Net Carrying Amount		Amortization Period (Years)
Patents & Trademarks	$	35,794	$	(14,710	)	$	21,084		10	-	15	$	35,794	$	(14,091	)	$	21,703	10	-	15

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

For the fiscal years ended June 30,
2021	$	2,882
2022		2,882
2023		2,882
2024		2,882
2025		2,275
Thereafter		7,281
	$	21,084