Intellectual property (Tables)

12 Months Ended

Dec. 31, 2021

Intellectual property

Acquisition Of Sfd? Geothermal Right

1.	US$40,000 (CAD$50,310) signature payment, which became due immediately and was paid on April 22, 2021;
2.	300,000 common shares, which were issued in December 2021;
3.	CAD$15,000 signature milestone payment paid in August 2021;
4.	US$200,000 milestone payment which will become due in the event that the Company’s cash balance exceeds CAD$5,000,000 due to receipt of specifically defined funds from operations; and
5.	US$250,000 milestone payment which will become due in the event that the Company executes and completes and receives full payment for an SFD® contract valued at US$10,000,000 or greater, provided such contract is entered into and completed and payment of at least US$5,000,000 is received by April 18, 2023.

Intellectual Property

	December 31, 2021
	Cost		Accumulated		Net book
	Base		amortization		Value
SFD® Hydrocarbon Right acquired	$	25,271,000	$	10,670,400	$	14,600,600
SFD® Geothermal Right acquired		275,610		9,187		266,423
		25,546,610		10,679,587		14,867,023

	December 31, 2020
	Cost		Accumulated		Net book
	Base		amortization		Value
SFD® Hydrocarbon Right acquired	$	25,271,000	$	8,985,667	$	16,285,333
		25,271,000		8,985,667		16,285,333