| Summary of net finance expense (income) |
| | | | | | | | | | | Three-month period | | Three-month period | | Nine-month period | | Nine-month period | | | ended May 31, | | ended May 31, | | ended May 31, | | ended May 31, | | | 2025 | | 2024 | | 2025 | | 2024 | | | $ | | $ | | $ | | $ | Interest and bank charges | | 70,693 | | 59,900 | | 148,898 | | 203,390 | Interest income | | (143,312) | | (11,043) | | (183,400) | | (59,343) | Foreign currency exchange | | 624,379 | | — | | 596,032 | | — | Transaction costs [note 15] | | — | | — | | 1,040,742 | | 1,860,335 | Litigation settlement costs [note 9] | | 2,813,511 | | — | | 2,813,511 | | — | Loss (gain) on derivative liabilities [note 15] | | 34,815 | | 404,444 | | (3,094,833) | | (5,913,484) | | | 3,400,086 | | 453,301 | | 1,320,950 | | (3,909,102) |
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