| In millions, except per share items | Aug-31-22 | Aug-31-21 | Aug-31-20 | Aug-31-19 | Aug-31-18 | Aug-31-17 | Aug-31-16 | Aug-31-15 |
| | 10-K | 10-K | 10-K/A | 10-K | 10-K | 10-K/A | 10-K | 10-K |
| Revenues | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 2.0 |
| Revenue growth | 20.8% | | | | -100.0% | | -100.0% | -29.3% |
| Cost of goods sold | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 2.0 |
| Gross profit | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Gross margin | 0.0% | 0.0% | | | | 100.0% | | 0.0% |
| Selling, general and administrative [+] | 1.4 | 1.3 | 1.1 | 1.0 | 0.5 | 0.5 | 1.0 | 1.5 |
| General and administrative | 1.4 | 1.3 | 1.1 | | 0.5 | 0.5 | 1.0 | 1.5 |
| Other operating expenses [+] | 1.5 | 0.2 | 0.0 | 2.0 | 0.1 | 0.1 | 0.2 | 0.5 |
| Exploration expenses | 1.5 | 0.2 | 0.0 | | 0.1 | 0.1 | | |
| EBITDA [+] | -2.9 | -1.6 | | | -0.6 | -0.6 | -1.2 | -1.9 |
| EBITDA growth | 86.3% | 45.1% | -64.6% | 394.9% | 6.3% | 68.4% | -39.6% | -28.9% |
| EBITDA margin | -39475.4% | -25604.2% | | | | 132.7% | | -98.2% |
| Depreciation and amortization | 0.0 | 0.0 | | | 0.0 | 0.0 | 0.0 | 0.0 |
| EBIT [+] | -2.9 | -1.6 | -1.1 | -3.0 | -0.6 | -0.6 | -1.2 | -2.0 |
| EBIT growth | 86.3% | 45.5% | -64.6% | 390.6% | 5.4% | 65.3% | -39.3% | -29.3% |
| EBIT margin | -39570.3% | -25671.1% | | | | 133.4% | | -100.0% |
| Non-recurring items [+] | | | | | | 1.4 | 0.0 | |
| Asset impairment | | | | | | 1.4 | | |
| Loss (gain) on sale of assets | | | | | | | 0.0 | |
| Interest expense, net [+] | | | | | 0.1 | 0.0 | 0.0 | 0.0 |
| Interest expense | | | | 0.0 | 0.1 | | | |
| Interest income | | | | | | 0.0 | 0.0 | 0.0 |
| Other income (expense), net [+] | 0.0 | 3.6 | 1.1 | 0.7 | 0.0 | -0.2 | 0.0 | 0.0 |
| Gain (loss) on debt retirement | | | | -0.6 | | | | |
| Other non-ooperating expenses | | | | | | -0.2 | 0.0 | 0.0 |
| Other | | | -0.1 | 0.0 | | -0.2 | 0.0 | 0.0 |
| Pre-tax income | -2.9 | 2.0 | 0.0 | -2.4 | -0.7 | -2.1 | -1.2 | -2.0 |
| 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% |
| Net income | -2.9 | 2.0 | -1.1 | -2.4 | -0.7 | -2.1 | -1.2 | -2.0 |
| Net margin | -39469.1% | 33577.6% | | | | 143.7% | | -100.6% |
| |
| Basic EPS [+] | ($0.04) | $0.03 | ($0.02) | ($0.05) | ($0.02) | ($0.05) | ($0.03) | ($0.05) |
| Growth | -240.6% | -253.1% | -63.4% | 210.1% | -65.4% | 71.6% | -44.7% | -33.6% |
| Diluted EPS [+] | ($0.04) | $0.03 | ($0.02) | ($0.05) | ($0.02) | ($0.05) | ($0.03) | ($0.05) |
| Growth | -242.9% | -250.5% | -63.4% | 210.1% | -65.4% | 71.6% | -44.7% | -33.6% |
| |
| Shares outstanding (basic) [+] | 72.4 | 71.7 | 61.2 | 46.7 | 44.9 | 44.9 | 43.9 | 39.7 |
| Growth | 1.0% | 17.1% | 30.9% | 4.0% | 0.0% | 2.5% | 10.6% | 7.1% |
| Shares outstanding (diluted) [+] | 72.4 | 72.9 | 61.2 | 46.7 | 44.9 | 44.9 | 43.9 | 39.7 |
| Growth | -0.6% | 19.1% | 30.9% | 4.0% | 0.0% | 2.5% | 10.6% | 7.1% |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |