Loss per share (Tables)

6 Months Ended

Apr. 30, 2022

Earnings per share [abstract]

Summary of earnings per share

	Three months ended April 30,				Six months ended April 30,
	2022		2021		2022		2021
Net profit (loss)	$	(20,650,375)	$	(7,848,142)	$	7,896,265	$	(14,693,465)
Weighted average number of common shares	168,971,679		95,060,429		166,365,628		94,254,557
Effect of dilutive securities
Stock options	—		—		3,840,066		—
Restricted share units	—		—		1,493,766		—
Convertible debt	—		—		—		—
Warrants	—		—		1,097		—
Effect of dilutive securities	—		—		5,334,929		—
Dilutive number of shares	168,971,679		95,060,429		171,700,557		94,254,557
Basic earnings (loss) per share	$	(0.12)	$	(0.08)	$	0.05	$	(0.16)
Diluted earnings (loss) per share	$	(0.12)	$	(0.08)	$	0.05	$	(0.16)

The following table represents instruments that could potentially dilute basic earnings per share in the future, but were not included in the calculation of diluted earnings per share because they are antidilutive for the periods presented:

	April 30,	April 30,
	2022	2021
Stock options	1,085,571	6,415,533
Convertible debt	7,917,948	—
	9,003,519	6,415,533