Notes to the Consolidated Statements of Cash Flows (Tables)
 12 Months Ended
Oct. 31, 2021
Notes To The Statements Of Cash Flows [Abstract]  
Changes in liabilities arising from financing activities
Changes in liabilities arising from financing activities comprise the following:
Restricted share unitsLease liabilitiesLoans payableRestoration provisionsConvertible debtConversion feature of convertible debtDeferred government funding
Balance, October 31, 2019——87,381—384,20794,9851,067,318
Cash changes:
Repayments of lease liabilities(387,508)
Proceeds from loans payable2,153,110
Repayment of loans payable(12,881)
Proceeds from government grants1,182,599 
Total changes from financing cash flows—(387,508)2,227,610—384,20794,9852,249,917
Non-cash changes:
New leases4,141,153
Grant of restricted share units88,425
Fair value loss on restricted share units84,454
Accrued interest and accretion9,931
New restoration provisions321,400
Conversion of convertible debt(397,424)(94,985)
Amortization of government grants(2,226,910)
Foreign exchange (gain) or loss(1,030)(140,475)20,268 3,286 (23,007)
Balance, October 31, 2020
171,8493,613,1702,247,878321,400———
Cash changes:
Repayments of lease liabilities(884,024)
Proceeds from loans payable10,091,220
Repayment of loans payable(12,544,339)
Proceeds from convertible debt70,719,220 27,681,043 — 
Total changes from financing cash flows—(884,024)(2,453,119)—70,719,22027,681,043—
Non-cash changes:
New leases26,261,895
Additions to restoration provision
Grant of restricted share units604,943
Fair value loss on restricted share units3,096,940
RSU FMV transfer to share capital on public transaction(3,922,754)
Accrued interest and accretion3,1941,129,680
Foreign exchange loss49,022373,828244,9899,639
New restoration provisions—
Fair value loss on conversion feature of convertible debt1,347,895
Amortization of government grants—
Balance, October 31, 2021
—29,364,86939,748334,23371,848,90029,028,938—