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Supplemental cash flow information (Tables)

12 Months Ended

Dec. 31, 2022

Supplemental cash flow information

Changes in non cash working capital

		Years ended December 31
		2022				2021
Accounts receivable		$	(47	)		$	505
Prepaid expenses and deposits			(94	)			260
Accounts payable and accrued liabilities			(762	)			(499	)
Changes in non-cash working capital		$	(903	)		$	266

Cash received in operating activities

		Years ended December 31
		2022				2021
Income taxes refunded (note 5d)		$	187			$	3,835