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Trade and other receivables (Tables)

12 Months Ended

Dec. 31, 2020

Subclassifications of assets, liabilities and equities [abstract]

Schedule of trade and other receivables

As at			Dec 31 2020			Dec 31 2019
Trade			335,988			$	343,959
Egypt insurance recovery(a)			—			50,000
Value-added and other tax receivables			22,903			44,408
Other			53,109			50,354
			$	412,000		$	488,721

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Schedule Of Trade And Other Receivables [Table Text Block]

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