Trade and other receivables (Tables)

12 Months Ended

Dec. 31, 2020

Trade and other receivables

Schedule of Trade and Other Receivables

As at December 31,	2020		2019
Trade receivables	$	111,545	$	126,977
Consumption taxes receivable		20,789		12,108
Other receivables		2,667		3,542
	$	135,001	$	142,627

Schedule of activity in the allowance for expected credit losses

Opening balance at January 1, 2020		(5,225)
Current period provision		(3,986)
Write-offs charged against the allowance		3,744
Balance, December 31, 2020	$	(5,467)