| In millions, except per share items | Jun-30-22 | Jun-30-21 | Jun-30-20 | Jun-30-19 | Jun-30-18 | Jun-30-17 | Jun-30-16 | Jun-30-15 |
| | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K |
| Revenues [+] | 15.0 | 11.7 | 0.7 | 0.4 | 0.3 | 0.3 | 0.2 | 0.1 |
| Other | | | | | | | 0.2 | 0.1 |
| Other income | | | 0.7 | 0.4 | 0.3 | 0.3 | 0.2 | 0.1 |
| Revenue growth | 28.5% | 1499.6% | 82.1% | 16.2% | 22.8% | 68.3% | 22.2% | 75.6% |
| Cost of goods sold | 0.0 | 0.0 | -12.1 | -12.0 | -12.2 | -15.4 | -10.6 | -6.0 |
| Gross profit | 15.0 | 11.7 | 12.8 | 12.4 | 12.5 | 15.7 | 10.7 | 6.2 |
| Gross margin | 100.0% | 100.0% | 1762.1% | 3091.0% | 3631.1% | 5595.4% | 6445.5% | 4519.4% |
| Selling, general and administrative [+] | 2.1 | 2.3 | 1.8 | 1.9 | 1.4 | 1.7 | 1.5 | 1.2 |
| Sales and marketing | | | | | | 0.8 | 0.8 | 0.4 |
| General and administrative [+] | 2.1 | 2.3 | 1.8 | 1.9 | 1.4 | 0.9 | 0.7 | 0.8 |
| Wages and related expenses | 1.2 | 1.4 | 1.0 | 0.9 | 0.7 | 0.8 | 0.8 | 0.4 |
| General and administrative expenses | 0.6 | 0.5 | 0.5 | 0.7 | 0.5 | 0.5 | 0.3 | 0.2 |
| Professional fees | 0.1 | 0.2 | 0.2 | 0.2 | 0.1 | 0.2 | 0.2 | 0.5 |
| Insurance expense | 0.2 | 0.2 | 0.2 | 0.1 | 0.1 | 0.1 | 0.2 | 0.1 |
| Other selling, general and administrative | | | | | | 0.8 | 0.8 | 0.4 |
| Other operating expenses [+] | 5.4 | 3.6 | 5.0 | 4.5 | 5.0 | 6.3 | 1.4 | 1.6 |
| Exploration expenses | | | 4.2 | 3.6 | 4.2 | | | |
| EBITDA [+] | 7.5 | 5.8 | 6.1 | 6.0 | 6.1 | 7.7 | 7.8 | 3.4 |
| EBITDA growth | 28.5% | -3.8% | 1.2% | -1.6% | -21.1% | -0.8% | 131.9% | 29.7% |
| EBITDA margin | 50.0% | 50.0% | 831.4% | 1496.1% | 1766.7% | 2749.4% | 4663.8% | 2458.0% |
| Depreciation and amortization | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| EBIT [+] | 7.5 | 5.8 | 6.1 | 6.0 | 6.1 | 7.7 | 7.8 | 3.4 |
| EBIT growth | 28.5% | -3.8% | 1.2% | -1.6% | -21.1% | -0.8% | 131.8% | 29.6% |
| EBIT margin | 50.0% | 50.0% | 831.0% | 1495.5% | 1765.6% | 2747.7% | 4661.5% | 2457.0% |
| Non-recurring items [+] | | | | | | | 2.5 | 0.3 |
| Asset impairment | | | | | | | 2.5 | 0.3 |
| Interest income | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Interest income | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Other income (expense), net [+] | 0.1 | 0.1 | 0.4 | 0.0 | 0.0 | -0.2 | 0.0 | 2.2 |
| Realized gain (loss) on investments | | | | | | | | 0.0 |
| Other | -0.3 | -0.3 | | | | | | |
| Pre-tax income | 7.6 | 5.9 | 6.4 | 6.0 | 6.1 | 7.6 | 5.3 | 5.2 |
| Income taxes | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 3.2 | 0.0 | 0.0 |
| Tax rate | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 42.6% | 0.0% | 0.0% |
| Net income | 7.8 | 5.9 | 6.4 | 6.0 | 6.1 | 4.3 | 5.3 | 5.2 |
| Net margin | 52.3% | 50.6% | 882.2% | 1491.1% | 1760.8% | 1546.2% | 3204.3% | 3834.2% |
| |
| Basic EPS [+] | $0.19 | $0.17 | $0.23 | $0.23 | $0.28 | $0.27 | $0.63 | $0.64 |
| Growth | 11.4% | -28.7% | 1.0% | -17.9% | 5.9% | -57.6% | -1.9% | 2.8% |
| Diluted EPS [+] | $0.19 | $0.17 | $0.23 | $0.23 | $0.28 | $0.27 | $0.63 | $0.64 |
| Growth | 11.4% | -28.7% | 1.0% | -17.9% | 5.9% | -57.6% | -1.9% | 2.8% |
| |
| Shares outstanding (basic) [+] | 42.4 | 35.5 | 27.6 | 25.9 | 21.6 | 16.3 | 8.5 | 8.2 |
| Growth | 19.2% | 28.8% | 6.7% | 19.9% | 32.1% | 91.7% | 4.1% | 1.0% |
| Shares outstanding (diluted) [+] | 42.4 | 35.5 | 27.6 | 25.9 | 21.6 | 16.3 | 8.5 | 8.2 |
| Growth | 19.2% | 28.8% | 6.7% | 19.9% | 32.1% | 91.7% | 4.1% | 1.0% |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |