Note 5 - Intangible Assets

12 Months Ended

Mar. 31, 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.

	March 31, 2020										March 31, 2019
	Cost		Accumulated Amortization			Net Carrying Amount		Amortization Period (Years)			Cost		Accumulated Amortization			Net Carrying Amount		Amortization Period (Years)
Patents & Trademarks	$	35,794	$	(14,091	)	$	21,703	10	-	15	$	20,934	$	(12,035	)	$	8,899		15

Amortization expense was 

$2,056

 for each of the years ended 

March 31, 2020 

and 

2019.

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

For the fiscal years ended March 31,
2021	$	2,882
2022		2,882
2023		2,882
2024		2,882
2025		2,465
Thereafter		7,710
	$	21,703