General and administrative expenses (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
May 31, 2026 |
May 31, 2025 |
May 31, 2026 |
May 31, 2025 |
|
| Notes and other explanatory information [abstract] | ||||
| Directors’ fees (Note 18) | $ 97 | $ 105 | $ 289 | $ 248 |
| Insurance | 52 | 59 | 155 | 179 |
| Office and general | 64 | 46 | 177 | 174 |
| Shareholder information | 184 | 158 | 728 | 523 |
| Professional fees | 350 | 216 | 976 | 618 |
| Salaries and benefits (Note 18) | 672 | 515 | 3,160 | 2,194 |
| Consulting | 127 | 115 | 421 | 511 |
| Share-based compensation expense (Notes 15 and 18) | 564 | 453 | 1,644 | 1,882 |
| Incremental withholding tax on share-based compensation paid (Note 18) | 1,549 | 2,656 | ||
| Travel and accommodation | 57 | 53 | 164 | 165 |
| Depreciation | 18 | 11 | 47 | 40 |
| Other | 9 | 6 | 23 | 14 |
| Total general and administrative expenses | $ 3,743 | $ 1,737 | $ 10,440 | $ 6,548 |