| In millions of CNY, except per share items | Sep-30-22 | Sep-30-21 | Sep-30-20 | Sep-30-19 | Sep-30-18 | Sep-30-17 | Sep-30-16 | Sep-30-15 |
| Revenues | 52.6 | 46.4 | 52.5 | 92.4 | 12.9 | 0.9 | 0.5 | 376.6 |
| Revenue growth | 13.3% | -11.6% | -43.2% | 615.1% | 1385.9% | 80.9% | -99.9% | -9.3% |
| Cost of goods sold | 36.4 | 33.6 | 49.0 | 105.3 | 7.0 | 0.7 | 0.0 | 264.0 |
| Gross profit | 16.2 | 12.8 | 3.5 | -12.8 | 5.9 | 0.2 | 0.5 | 112.5 |
| Gross margin | 30.8% | 27.6% | 6.7% | -13.9% | 45.5% | 22.1% | 100.0% | 29.9% |
| Sales and marketing | 7.3 | 5.6 | 4.8 | 4.0 | 0.4 | | | 40.0 |
| Research and development | 7.4 | 2.0 | 4.1 | 13.3 | 27.1 | 38.7 | 41.3 | 48.7 |
| General and administrative | 14.3 | 73.3 | 58.1 | 27.2 | 32.1 | 36.1 | 33.0 | 40.7 |
| EBITA | -12.1 | -137.1 | -90.8 | -58.6 | -35.2 | -63.4 | -43.1 | 9.0 |
| EBITA margin | -23.0% | -295.4% | -172.8% | -63.4% | -272.0% | -7287.7% | -8952.2% | 2.4% |
| Amortization of intangibles | 0.8 | 0.8 | 0.8 | 2.9 | 5.9 | 6.2 | 6.6 | 7.7 |
| EBIT | -12.9 | -137.9 | -91.6 | -61.5 | -41.1 | -69.6 | -49.7 | 1.3 |
| EBIT margin | -24.5% | -297.1% | -174.4% | -66.5% | -318.0% | -7994.9% | -10332.0% | 0.4% |
| Pre-tax income | 2.3 | -126.9 | -102.4 | -65.1 | -152.8 | -121.8 | -65.5 | -16.5 |
| Income taxes | 0.0 | 0.2 | 0.4 | 0.5 | 0.9 | 0.0 | 0.0 | 0.0 |
| Tax rate | | | | | | 0.0% | 0.0% | 0.0% |
| Earnings from continuing ops | -6.3 | -91.5 | -85.3 | -62.1 | -153.7 | -213.1 | -61.8 | -13.8 |
| Earnings from discontinued ops | | | | | | 15.6 | -3.8 | |
| Net income | -6.3 | -91.5 | -85.3 | -62.1 | -153.7 | -197.5 | -65.6 | -13.8 |
| Net margin | -11.9% | -197.2% | -162.4% | -67.2% | -1188.7% | -22702.9% | -13633.7% | -3.7% |
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| Diluted EPS | ($1.09) | ($16.29) | ($16.95) | ($14.85) | ($50.18) | ($75.88) | ($22.39) | ($0.61) |
| Shares outstanding (diluted) | 5.8 | 5.6 | 5.0 | 4.2 | 3.1 | 2.8 | 2.8 | 22.8 |
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| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |