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The Company has intangible assets consisting of acquired rights and patents with finite lives.

In March 2012, the Company acquired rights to a certain patented technology that it had licensed from its Chief Scientific Officer for C$100,000. The Company is amortizing this asset over its expected useful life of 15 years.

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Amortization expense was $5,072 and $5,249 for the years ended December 31, 2022 and 2021, respectively.

As of December 31, 2022, the estimated expected amortization expense related to the Company’s intangible assets for each year through the year ended 2026 is $4,917 and thereafter totals $1,170.