Supplementary Cash Flow Information (Tables)

3 Months Ended

Mar. 31, 2021

Supplemental Cash Flow Information [Abstract]

Summary of Changes in Non-Cash Working Capital

Changes in non-cash working capital:

Changes in operating assets and liabilities	March 31, 2021			March 31, 2020
Accounts receivable	$	100		$	(31	)
Deposits		(460	)		1,377
Inventory		(934	)		(2,731	)
Prepaid expenses		(830	)		318
Accounts payable		1,393			696
Taxes payable		1,806			960
	$	1,075		$	589