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Net finance costs - Schedule of net finance costs (Details) - CAD ($) | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2020 | Sep. 30, 2022 | Sep. 30, 2021 | Dec. 31, 2019
Interest expense from: |  |  |  |
Unsecured loan | $ 0 | $ 321,313 | $ 4,527 |
Accretion cost - accrued royalties liability | 0 | 159,451 | 64,537 |
Lease obligations | 31,242 | 30,112 | 33,872 |
Related party loans | 8,448 | 0 | 4,581 |
CEBA term loan | 0 | 0 | 4,481 |
2019 convertible notes | 44,899 | 0 | 0 |
Other | 5,885 | 1,114 | 4,115 |
Total interest expenses | 90,474 | 511,990 | 116,113 |
Interest income | (2,454) | (5,988) | (4,848) |
Gain on termination of lease obligations | (17,527) | 0 | 0 |
Gain on government grant | (9,096) | 0 | (3,514) |
Net finance costs | $ 61,397 | $ 506,002 | $ 107,751 | $ 245,147

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- Definition The amount of expense arising from interest. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2022-03-24 -Paragraph 28 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2022-en-r&anchor=para_28_e&doctype=Standard -URIDate 2022-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2022-03-24 -Paragraph 23 -Subparagraph d -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2022-en-r&anchor=para_23_d&doctype=Standard -URIDate 2022-03-24 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2022-03-24 -Paragraph B13 -Subparagraph f -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2022-en-r&anchor=para_B13_f&doctype=Appendix&subtype=B -URIDate 2022-03-24 + Details
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