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OPERATING COSTS BY NATURE (Tables)

12 Months Ended

Dec. 31, 2018

Analysis of income and expense [abstract]

Disclosure of cost of sales

Cost of sales

Years ended December 31	2018		2017
	$		$
Cost of inventory	245,111		242,998
Depletion, depreciation and amortization	98,719		102,416
Moratorium (settlement) (note 13)	—		(4,303	)
(Recovery) of inventory provision (note 7)	—		(5,710	)
Restructuring costs	—		109
	343,830		335,510

Disclosure of general and administrative expense

General and administrative expenses

Years ended December 31	2018		2017
	$		$
Salaries and benefits	12,157		9,029
Share-based compensation	13,371		4,225
Consulting and professional fees	3,036		2,288
Travel expense	1,044		562
Rent expense	842		703
Insurance expense	676		569
Computer expenses	668		789
Depreciation and amortization	194		202
Shareholder and investor relations	99		323
Listing and filing fees	249		251
Directors fees and expenses	347		227
Other expenses	258		1,139
	32,941		20,307

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