Plant and equipment (Tables)

9 Months Ended

12 Months Ended

Jul. 31, 2021

Oct. 31, 2020

Disclosure of detailed information about property, plant and equipment [abstract]

Summary of Detailed Information about Property Plant and Equipment

	Plant equipment $			Storage containers $			Vehicles $			Leasehold improvements $			Total $
Cost
At October 31, 2020		4,434,874			67,619			157,604			1,577,201			6,237,298
Additions		11,757,027			—			62,017			1,832,204			13,651,248
Disposals		—			—			(40,323	)		—			(40,323	)
At July 31, 2021		16,191,901			67,619			179,298			3,409,405			19,848,223
Accumulated depreciation
At October 31, 2020		(474,658	)		(7,410	)		(24,827	)		(127,823	)		(634,718	)
Depreciation expensed		(290,685	)		(1,927	)		(9,421	)		(118,140	)		(420,173	)
Depreciation capitalized into Inventory		(477,727	)		(3,127	)		(15,880	)		(192,944	)		(689,678	)
Disposals		—			—			10,058			—			10,058
At July 31, 2021		(1,243,070	)		(12,464	)		(40,070	)		(438,907	)		(1,734,511	)
Carrying amounts
At October 31, 2020		3,960,216			60,209			132,777			1,449,378			5,602,580
At July 31, 2021		14,948,831			55,155			139,228			2,970,498			18,113,712

	Plant equipment			Storage containers			Vehicles			Leasehold improvements			Total
	$			$			$			$			$
Cost
At October 31, 2018		239,248			—			—			—			239,248
Additions		796,783			53,114			89,868			58,304			998,069
Foreign Exchange on Translation		7,200			496			839			544			9,079
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
Accumulated depreciation
At October 31, 2018		—			—			—			—			—
Depreciation		(169,112	)		(1,384	)		(2,167	)		(11,225	)		(183,888	)
Foreign Exchange on Translation		(1,579	)		(13	)		(20	)		(104	)		(1,716	)
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		2,461			(36	)		(232	)		(536	)		1,658
At October 31, 2020		(474,659	)		(7,410	)		(24,827	)		(127,823	)		(634,718	)
Carrying amounts
At October 31, 2018		239,248			—			—			—			239,248
At October 31, 2019		872,540			52,213			88,520			47,519			1,060,792
At October 31, 2020		3,960,215			60,209			132,777			1,449,378			5,602,580