| In millions, except per share items | Jun-30-22 | Jun-30-21 | Jun-30-19 | Jun-30-18 | Jun-30-17 | Jun-30-16 | Jun-30-15 | Jun-30-14 |
| | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K |
| Revenues | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 2.1 |
| Revenue growth | | | | | -100.0% | -90.7% | -96.8% | -85.6% |
| Cost of goods sold | 0.0 | 0.0 | 3.1 | 1.6 | 2.1 | 0.0 | 0.0 | 3.3 |
| Gross profit | 0.0 | 0.0 | -3.1 | -1.6 | -2.1 | 0.0 | 0.0 | -1.2 |
| Gross margin | | | | | | 100.0% | 40.2% | -57.0% |
| Selling, general and administrative [+] | 1.3 | 1.7 | 2.7 | 1.6 | 2.0 | 2.1 | 2.1 | 4.3 |
| General and administrative | 1.3 | 1.7 | 2.7 | 1.6 | 2.0 | 2.1 | 2.1 | 4.3 |
| Other selling, general and administrative | | | | | | | | |
| Other operating expenses [+] | 0.1 | 0.5 | -2.7 | -1.6 | -2.0 | 0.5 | 1.4 | 0.2 |
| Exploration expenses | 0.1 | 0.5 | | | | 0.5 | | |
| EBITDA [+] | -1.4 | -2.1 | | | | -2.5 | -3.5 | -5.7 |
| EBITDA growth | -34.5% | | 85.4% | -21.9% | -16.9% | -26.4% | -39.4% | 56.7% |
| EBITDA margin | | | | | | -40629.8% | -5160.2% | -271.6% |
| Depreciation and amortization | 0.1 | 0.1 | | | | 1.1 | 1.9 | 2.5 |
| EBIT [+] | -1.5 | -2.2 | -3.1 | -1.6 | -2.1 | -3.7 | -5.4 | -8.2 |
| EBIT growth | -34.1% | | 85.4% | -21.9% | -42.6% | -31.7% | -34.1% | 4.8% |
| EBIT margin | | | | | | -58775.6% | -8039.3% | -389.1% |
| Non-recurring items [+] | | | | | | | 0.6 | 1.6 |
| Asset impairment | | | | | | | | 1.2 |
| Loss (gain) on sale of assets | | | | | | | 0.6 | -0.1 |
| Interest expense | 0.7 | 0.6 | 0.8 | 0.7 | 1.0 | 2.4 | 5.0 | 1.5 |
| Interest expense | 0.7 | 0.6 | 0.8 | 0.7 | 1.0 | 2.4 | 5.0 | 1.5 |
| Other income (expense), net [+] | -0.2 | 0.8 | 12.4 | -0.3 | 4.1 | 1.2 | 1.4 | -0.4 |
| Gain (loss) on sale of assets | | 0.0 | | | | 0.0 | | |
| Gain (loss) on debt retirement | | 0.2 | 12.6 | 0.0 | 4.4 | | 0.1 | 0.6 |
| Gain (loss) on derivative instruments | | | | | 0.0 | 1.1 | | |
| Gain (loss) on foreign currency transactions | | | | | -0.1 | 0.1 | 0.8 | -0.1 |
| Other non-operating income | | | | | | | 0.0 | 0.0 |
| Other | | 0.0 | 0.0 | | | 0.0 | 0.0 | 0.0 |
| Pre-tax income | -2.3 | -2.1 | 8.5 | -2.6 | 1.0 | -4.8 | -9.6 | -11.6 |
| 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 | -2.3 | -2.1 | 8.5 | -2.6 | 1.0 | -4.8 | -9.6 | -11.6 |
| Net margin | | | | | | -77347.8% | -14325.0% | -555.3% |
| |
| Basic EPS [+] | ($0.01) | | $0.03 | ($0.01) | $0.00 | ($0.03) | ($0.07) | ($0.10) |
| Growth | | | -397.2% | -333.9% | -113.8% | -61.8% | -26.3% | 7.7% |
| Diluted EPS [+] | ($0.01) | | $0.03 | ($0.01) | $0.00 | ($0.03) | ($0.07) | ($0.10) |
| Growth | | | -393.9% | -370.8% | -111.9% | -61.8% | -26.3% | 7.7% |
| |
| Shares outstanding (basic) [+] | 233.4 | | 329.9 | 298.4 | 263.7 | 179.3 | 135.9 | 121.7 |
| Growth | | | 10.6% | 13.1% | 47.1% | 31.9% | 11.7% | 4.3% |
| Shares outstanding (diluted) [+] | 233.4 | | 333.7 | 298.4 | 305.3 | 179.3 | 135.9 | 121.7 |
| Growth | | | 11.8% | -2.3% | 70.2% | 31.9% | 11.7% | 4.3% |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |