Prepayments and deposits (Tables)

6 Months Ended

12 Months Ended

Apr. 30, 2022

Oct. 31, 2021

Statement [Line Items]

Summary of Prepayments and deposits

	April 30, 2022 $		October 31, 2021 $
Prepaid lease deposits		1,406,347		886,951
Prepaid equipment deposits		19,845,963		3,231,836
Prepaid insurance		995,027		3,839,880
Prepaid construction charges		12,078,697		—
Other prepaids		3,879,422		688,331
		38,205,456		8,646,998

	October 31, 2021		October 31, 2020
	$		$
Prepaid lease deposits		886,951		33,501
Prepaid equipment deposits		3,231,836		—
Prepaid insurance		3,839,880		59,582
Other prepaids		688,331		870,868
		8,646,998		963,951