Plant and equipment

6 Months Ended

12 Months Ended

Apr. 30, 2022

Oct. 31, 2021

Statement [Line Items]

Plant and equipment

6. Plant and equipment

	Assets under construction $			Plant equipment $			Computer software and equipment $			Storage containers $			Vehicles $			Leasehold improvements $			Total $
Cost
At October 31, 2021		15,638,165			6,275,419			196,273			67,619			179,298			6,219,456			28,576,230
Additions		43,648,651			12,622			162,311			—			62,000			1,278,253			45,163,837
Transfers from Assets under construction		(2,013,803	)		1,668,065			309,555			25,733			—			10,450			—
At April 30, 2022		57,273,013			7,956,106			668,139			93,352			241,298			7,508,159			73,740,067
Accumulated depreciation
At October 31, 2021		—			(1,549,700	)		(8,645	)		(14,172	)		(49,314	)		(564,936	)		(2,186,767	)
Depreciation		—			(741,003	)		(71,386	)		(4,454	)		(23,332	)		(310,606	)		(1,150,781	)
At April 30, 2022		—			(2,290,703	)		(80,031	)		(18,626	)		(72,646	)		(875,542	)		(3,337,548	)
Carrying amounts																				—
At October 31, 2021		15,638,165			4,725,719			187,628			53,447			129,984			5,654,520			26,389,463
At April 30, 2022		57,273,013			5,665,403			588,108			74,726			168,652			6,632,617			70,402,519

7. Plant and equipment

	Plant equipment			Storage containers			Vehicles			Leasehold improvements			Total
	$			$			$			$			$
Cost
At October 31, 2019		1,043,231			53,610			90,707			58,848			1,246,396
Additions		3,519,013			13,914			68,243			1,506,493			5,107,663
Disposals		(150,690	)		—			—			—			(150,690	)
Foreign Exchange on Translation		23,320			95			(1,346	)		11,860			33,929
At October 31, 2020		4,434,874			67,619			157,604			1,577,201			6,237,298
Additions		17,674,983						62,017			4,642,255			22,379,255
Disposals		—						(40,323	)					(40,323	)
At October 31, 2021		22,109,857			67,619			179,298			6,219,456			28,576,230
Accumulated depreciation
At October 31, 2019		(170,691	)		(1,397	)		(2,187	)		(11,329	)		(185,604	)
Depreciation		(350,173	)		(5,977	)		(22,408	)		(115,958	)		(494,516	)
Disposals		43,744			—			—			—			43,744
Foreign Exchange on Translation		2,462			(36	)		(232	)		(536	)		1,658
At October 31, 2020		(474,658	)		(7,410	)		(24,827	)		(127,823	)		(634,718	)
Depreciation		(1,083,687	)		(6,762	)		(34,545	)		(437,113	)		(1,562,107	)
Disposals		—			—			10,058			—			10,058
At October 31, 2021		(1,558,345	)		(14,172	)		(49,314	)		(564,936	)		(2,186,767	)
Carrying amounts														—
At October 31, 2019		872,540			52,213			88,520			47,519			1,060,792
At October 31, 2020		3,960,216			60,209			132,777			1,449,378			5,602,580
At October 31, 2021		20,551,512			53,447			129,984			5,654,520			26,389,463

At October 31, 2021, $17.72 million of the plant equipment and leasehold improvements were under construction (October 31, 2020: $1.92 million, October 31, 2019: $nil).