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Supplemental Cash Flow Information (Tables)

12 Months Ended

Dec. 31, 2021

Supplemental Cash Flow Information

Disclosure of supplemental cash flow information

		Years ended December 31
		2021				2020
Accounts receivable		$	505			$	(582	)
Prepaid expenses and deposits			260				(242	)
Accounts payable and accrued liabilities			(499	)			(72	)
Changes in non-cash working capital		$	266			$	(896	)

Disclosure of operating activities

		Years ended December 31
		2021				2020
Income taxes refunded (note 5d)		$	3,835			$	-