Intangible Assets

9 Months Ended

Dec. 31, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible Assets

6. Intangible Assets

	Cost $		Accumulated amortization $			Cumulative impairment $			December 31, 2019 Net carrying value $		March 31, 2019 Net carrying value $
Patents and technical information		35,852,556		(6,330,111	)		(20,457,255	)		9,065,190		9,746,255
Software licensing *		11,683		–			–			11,683		–
Customer lists *		100,000		–			–			100,000		–
Patents and certifications *		500,000		–			–			500,000		–
Patents and technical information		36,464,239		(6,330,111	)		(20,457,255	)		9,676,873		9,746,255

* Acquired as part of a business combination - see Note 7.

On May 17, 2013, the Company entered into an Assignment of Assets agreement with EnviroTechnologies, Inc. ("Enviro"), a non-related party, whereby the Company acquired various patents and technical information related to the manufacture of a wet scrubber for removing sulphur, other pollutants, and the particulate matter from diesel engine exhaust. The intangible assets were initially recorded at the estimated fair value of stock in a share exchange with Enviro, assumed obligations as well indebtedness forgiven. The patents are being amortized using the straight-line method over the estimated useful life of 17 years.