| In millions, except per share items | Jun-30-23 | Jun-30-22 | Jun-30-21 | Sep-30-19 | Sep-30-18 | Sep-30-17 | Sep-30-16 | Sep-30-15 |
| | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K/A | 10-K |
| Revenues | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Cost of goods sold | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Gross profit | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Gross margin | | | | | | | | |
| Selling, general and administrative [+] | 12.0 | 31.7 | 36.3 | 9.4 | 5.2 | | | 0.0 |
| General and administrative | 12.0 | 31.7 | 36.3 | 9.4 | 5.2 | 0.0 | 0.0 | 0.0 |
| Research and development | 7.7 | 1.0 | 0.9 | | | | | |
| Other operating expenses [+] | 2.2 | 1.0 | 0.5 | 1.0 | 0.2 | 2.6 | 28.4 | 0.0 |
| Exploration expenses | 1.9 | 0.9 | 0.5 | 1.0 | 0.2 | | | 0.0 |
| EBITDA [+] | -21.8 | -33.7 | -37.7 | | | | | |
| EBITDA growth | -35.3% | -10.7% | | 92.9% | 105.2% | -90.7% | 74577.3% | -12.5% |
| EBITDA margin | | | | | | | | |
| Depreciation and amortization | 0.1 | 0.0 | 0.0 | | | | | |
| EBIT [+] | -21.9 | -33.7 | -37.7 | -10.5 | -5.4 | -2.6 | -28.4 | 0.0 |
| EBIT growth | -35.1% | -10.6% | | 92.9% | 105.2% | -90.7% | 74577.3% | -12.5% |
| EBIT margin | | | | | | | | |
| Non-recurring items [+] | -0.3 | 0.0 | 0.0 | | 0.2 | | | |
| Asset impairment | | 0.2 | 0.0 | | 0.2 | | | |
| Loss (gain) on sale of assets | -0.3 | -0.2 | | | | | | |
| Interest expense | | | | 2.5 | 0.3 | | | |
| Interest expense | | | | 2.5 | 0.3 | | | |
| Other income (expense), net [+] | 0.2 | 0.2 | -4.0 | 0.4 | -0.2 | 0.0 | 0.0 | |
| Amortization of financing costs and debt discount | | | -0.4 | | | | | |
| Gain (loss) on debt retirement | | | 18.7 | 0.6 | | 0.0 | | |
| Gain (loss) on derivative instruments | | | -19.7 | | | | | |
| Unrealized gain/loss on derivatives | | | | -0.2 | -0.2 | | | |
| Other non-operating income | 0.1 | 0.1 | | | | | | |
| Other | 0.1 | 0.1 | 0.0 | | | | | |
| Pre-tax income | -21.3 | -33.5 | -41.8 | -12.6 | -6.0 | -2.7 | -28.3 | 0.0 |
| Income taxes | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Tax rate | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% |
| Net income | -21.3 | -33.5 | -41.8 | -12.6 | -6.0 | -2.7 | -28.3 | 0.0 |
| Net margin | | | | | | | | |
| |
| Basic EPS [+] | ($0.49) | ($0.80) | ($0.08) | ($0.11) | ($0.07) | ($0.05) | ($0.66) | $0.00 |
| Growth | -39.3% | 858.9% | | 52.1% | 59.4% | -93.0% | 68892.1% | -12.5% |
| Diluted EPS [+] | ($0.49) | ($0.80) | ($0.08) | ($0.11) | ($0.07) | ($0.05) | ($0.66) | $0.00 |
| Growth | -39.3% | 858.9% | | 52.1% | 59.4% | -93.0% | 68892.1% | -12.5% |
| |
| Dividends per share [+] | | $0.00 | | | | | | |
| Growth | -100.0% | | | | | | | |
| |
| Shares outstanding (basic) [+] | 43.8 | 41.7 | 498.3 | 112.9 | 82.3 | 58.3 | 43.2 | 40.0 |
| Growth | 4.8% | -91.6% | | 37.2% | 41.1% | 34.9% | 8.1% | 0.0% |
| Shares outstanding (diluted) [+] | 43.8 | 41.7 | 498.3 | 112.9 | 82.3 | 58.3 | 43.2 | 40.0 |
| Growth | 4.8% | -91.6% | | 37.2% | 41.1% | 34.9% | 8.1% | 0.0% |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |