Inventory (Details) - USD ($) |
12 Months Ended | |
|---|---|---|
Oct. 31, 2021 |
Oct. 31, 2020 |
|
| Inventories [Abstract] | ||
| Raw material | $ 850,416 | $ 140,419 |
| Finished goods | 347,391 | 39,575 |
| Inventory | 1,197,807 | 179,994 |
| Cost of inventories recognised as expense | 8,550,000 | 820,000 |
| Write-down of finished goods | 2,316,936 | 4,360 |
| Write-down of raw materials | $ 552,429 | $ 53,764 |