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Restoration provisions (Tables)
 12 Months Ended
Oct. 31, 2021
Provisions [abstract]  
Summary of provisions
The following table represents the continuity of the restoration provision associated with the Company’s leased plant properties:
Restoration provisions at October 31, 2019$—
Initial recognition$321,400
Interest Recognized$—
Restoration provisions at October 31, 2020
$321,400
Interest Recognized3,194
Foreign exchange recognized9,639
Restoration provisions at October 31, 2021
$334,233