Trade and Other Receivables

12 Months Ended

Dec. 31, 2021

Disclosure of trade and other receivables [text block] [Abstract]

TRADE AND OTHER RECEIVABLES

11. TRADE AND OTHER RECEIVABLES

As at December 31,	2021			2020
Trade receivables	$	100,758		$	47,368
Less: Allowance for doubtful accounts		(5,216	)		(7,257	)
Net trade receivables		95,542			40,111
Deferred receivables		5,554			7,347
Government grant receivable (Note 28)		17,626			2,776
Other receivables		3,976			1,694
Trade and other receivables	$	122,698		$	51,928

Allowance for doubtful accounts

The movement in the allowance for doubtful accounts was as follows:

Years ended December 31,	2021			2020
Allowance for doubtful accounts, beginning of year	$	7,257		$	1,779
(Reversals) Provisions for impaired receivables		(1,914	)		6,069
Receivables written off		(13	)		(146	)
Impact of foreign exchange		(114	)		(445	)
Allowance for doubtful accounts, end of year	$	5,216		$	7,257