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Capital management - Schedule of capital management (Details) - CAD ($) | Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2020 | Dec. 31, 2019 | Sep. 30, 2019 | Dec. 31, 2018
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Debt: |  |  |  |  |  |
Related party loans |  | $ 0 | $ 218,276 | $ 289,828 |  | $ 885,213
Borrowings | $ 2,278,774 | 53,251 | 32,273 | 0 |  |
Lease obligations | 275,621 | 307,909 | 352,037 | 202,686 |  | 280,053
Convertible notes |  |  | 0 | 210,819 |  |
Equity: |  |  |  |  |  |
Share capital | 19,496,640 | 17,215,068 | 9,374,563 | 2,284,353 | $ 2,284,353 | $ 200
Warrants | 1,959,796 | 1,848,389 |  |  |  |
Contributed surplus | 3,551,330 | 2,458,211 | 583,878 | 21,050 |  |
Accumulated other comprehensive loss | (101,418) | (8,991) |  |  |  |
Accumulated deficit | (25,909,239) | (15,388,949) | (6,073,577) | (2,536,799) |  |
Total Capital | $ 1,551,504 | $ 6,484,888 | $ 4,487,450 | $ 471,937 |  |

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