Government funding (Tables)

12 Months Ended

Oct. 31, 2021

Statement [Line Items]

Summary of Government Grants and Investment Tax Credits

	October 31, 2021		October 31, 2020		October 31, 2019
	$		$		$
Research and development expenses, gross	2,694,999		2,809,537		3,134,468
Less: Government grants	(32,427	)	(2,032,869	)	(629,346	)
Less: Investment tax credits	—		—		(393,464	)
Research and development expenses, net	2,662,572		776,668		2,111,658