Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2021

Disclosure Of Financial Instruments [Abstract]

Fair value measurements of marketable securities, investments at FVTPL and derivative warrants

Fair value measurements of marketable securities, investments at FVTPL and derivative warrants are as follows:

			Fair value measurements using
December 31, 2021	Carrying amount		Level 1		Level 2		Level 3
Recurring measurements:
Financial assets
Marketable securities		83,724		83,724		—		—
Investments at FVTPL		48,576		—		—		48,576
Financial liabilities
Derivative warrants (1)		21,700		—		—		21,700
			Fair value measurements using
December 31, 2020	Carrying amount		Level 1		Level 2		Level 3
Recurring measurements:
Financial assets
Investments at FVTPL		51,876		—		—		51,876
Financial liabilities
Derivative warrants (1)		428		—		—		428

(1) The carrying amount is an estimate of the fair value of the derivative warrants and is presented as a current liability. The Company has no cash obligation with respect to the derivative warrants, rather it will deliver common shares if and when warrants are exercised.

Summary of Impairment Losses on Accounts Receivable Recognized in Profit or Loss

Impairment losses on accounts receivable recognized in profit or loss were as follows:

As at	December 31, 2021		December 31, 2020
Impairment loss (reversal) on trade receivables		214		(506	)
Impairment loss (reversal) on other receivables		798		(126	)
		1,012		(632	)

Summary of Movement in Allowance for Impairment in Respect of Accounts Receivable

The movement in the allowance for impairment in respect of accounts receivable during the year ended December 31, 2021 was as follows:

	December 31, 2021		December 31, 2020
Balance, beginning of year		120		752
Net remeasurement of impairment loss allowance		1,012		(632	)
Balance, end of year		1,132		120

Risk Management Contracts Relating to Marketable Securities

The Company had the following risk management contracts relating to marketable securities outstanding as at December 31, 2021:

As at December 31, 2021	Quantity		Expiry	Proceeds		Fair value
Sold put options		2,174	Feb 18, 2022		34		27
Sold put options		1,329	Mar 18, 2022		65		51
		3,503			99		78

Timing of Expected Cash Outflows Relating to Financial Liabilities

The timing of expected cash outflows relating to financial liabilities at December 31, 2021 is as follows:

	Less than one year		One to three years		Three to five years		Thereafter		Total
Accounts payable and accrued liabilities		38,452		—		—		—		38,452
Lease obligations		5,938		10,514		8,424		13,629		38,505
Financial guarantee liability		—		466		—		—		466
Balance, end of period		44,390		10,980		8,424		13,629		77,423