| In millions, except per share items | Sep-30-22 | Sep-30-21 |
| | 20-F | 20-F |
| Revenue | | |
| Cost of sales | | |
| Gross profit | | |
| Operating expenses | | |
| General and administrative | | |
| Selling and marketing | | |
| Research and development, net | | |
| Total operating expenses | | |
| Operating loss | | |
| Other income (expenses) | | |
| Fair value adjustments on derivatives | | |
| Net finance costs | | |
| Foreign exchange gain (loss) | | |
| Loss on disposals | | |
| Total other expenses, net | | |
| Loss before income taxes | | |
| Income tax recovery: | | |
| Current tax recovery | | |
| Deferred tax recovery | | |
| Net loss | | |
| Other comprehensive income [abstract] | | |
| Foreign currency translation differences | | |
| Total comprehensive loss | | |
| Net Loss per share | | |
| Net Loss per share, Basic | | |
| Net Loss per share, Diluted | | |
| Weighted average number of shares outstanding | | |
| Weighted average number of shares outstanding, Basic | | |
| Weighted average number of shares outstanding, Diluted | | |