Financial instruments and financial risk factors - Liabilities Measured at Fair Value (Details) - USD ($)
|
Oct. 31, 2021 |
Oct. 31, 2020 |
| Disclosure of detailed information about financial instruments [line items] |
|
|
| Financial liabilities |
$ 231,427,138
|
$ 10,718,667
|
| Restricted share units |
|
|
| Disclosure of detailed information about financial instruments [line items] |
|
|
| Financial liabilities |
|
171,849
|
| Conversion feature of convertible debt |
|
|
| Disclosure of detailed information about financial instruments [line items] |
|
|
| Financial liabilities |
100,877,838
|
|
| Warrants |
|
|
| Disclosure of detailed information about financial instruments [line items] |
|
|
| Financial liabilities |
82,109,334
|
|
| Recurring fair value measurement |
|
|
| Disclosure of detailed information about financial instruments [line items] |
|
|
| Financial liabilities |
111,138,272
|
171,849
|
| Recurring fair value measurement | Restricted share units |
|
|
| Disclosure of detailed information about financial instruments [line items] |
|
|
| Financial liabilities |
0
|
171,849
|
| Recurring fair value measurement | Conversion feature of convertible debt |
|
|
| Disclosure of detailed information about financial instruments [line items] |
|
|
| Financial liabilities |
29,028,938
|
|
| Recurring fair value measurement | Warrants |
|
|
| Disclosure of detailed information about financial instruments [line items] |
|
|
| Financial liabilities |
82,109,334
|
|
| Recurring fair value measurement | Quoted prices in active markets for identical assets (Level 1) |
|
|
| Disclosure of detailed information about financial instruments [line items] |
|
|
| Financial liabilities |
53,549,989
|
0
|
| Recurring fair value measurement | Quoted prices in active markets for identical assets (Level 1) | Restricted share units |
|
|
| Disclosure of detailed information about financial instruments [line items] |
|
|
| Financial liabilities |
0
|
0
|
| Recurring fair value measurement | Quoted prices in active markets for identical assets (Level 1) | Conversion feature of convertible debt |
|
|
| Disclosure of detailed information about financial instruments [line items] |
|
|
| Financial liabilities |
0
|
|
| Recurring fair value measurement | Quoted prices in active markets for identical assets (Level 1) | Warrants |
|
|
| Disclosure of detailed information about financial instruments [line items] |
|
|
| Financial liabilities |
53,549,989
|
|
| Recurring fair value measurement | Significant other observable inputs (Level 2) |
|
|
| Disclosure of detailed information about financial instruments [line items] |
|
|
| Financial liabilities |
57,588,282
|
171,849
|
| Recurring fair value measurement | Significant other observable inputs (Level 2) | Restricted share units |
|
|
| Disclosure of detailed information about financial instruments [line items] |
|
|
| Financial liabilities |
0
|
171,849
|
| Recurring fair value measurement | Significant other observable inputs (Level 2) | Conversion feature of convertible debt |
|
|
| Disclosure of detailed information about financial instruments [line items] |
|
|
| Financial liabilities |
29,028,938
|
|
| Recurring fair value measurement | Significant other observable inputs (Level 2) | Warrants |
|
|
| Disclosure of detailed information about financial instruments [line items] |
|
|
| Financial liabilities |
28,559,344
|
|
| Recurring fair value measurement | Significant unobservable inputs (Level 3) |
|
|
| Disclosure of detailed information about financial instruments [line items] |
|
|
| Financial liabilities |
0
|
0
|
| Recurring fair value measurement | Significant unobservable inputs (Level 3) | Restricted share units |
|
|
| Disclosure of detailed information about financial instruments [line items] |
|
|
| Financial liabilities |
0
|
$ 0
|
| Recurring fair value measurement | Significant unobservable inputs (Level 3) | Conversion feature of convertible debt |
|
|
| Disclosure of detailed information about financial instruments [line items] |
|
|
| Financial liabilities |
0
|
|
| Recurring fair value measurement | Significant unobservable inputs (Level 3) | Warrants |
|
|
| Disclosure of detailed information about financial instruments [line items] |
|
|
| Financial liabilities |
$ 0
|
|