| In millions, except per share items | Oct-31-15 | Oct-31-14 | Oct-31-13 | Oct-31-12 | Oct-31-11 | Dec-31-10 | Oct-31-10 | Dec-31-09 |
| | 10-K | 10-K | 10-K | 10-K/A | 10-K | 10-K | 10-K | 10-K |
| Revenues | 2.2 | 1.0 | 0.1 | 0.0 | -0.9 | | 0.0 | |
| Revenue growth | 106.3% | 1007.4% | | -100.0% | | | -100.0% | |
| Cost of goods sold | 1.1 | 1.5 | 0.0 | 0.0 | 0.0 | | 0.0 | |
| Gross profit | 1.0 | -0.5 | 0.0 | 0.0 | -0.9 | | 0.0 | |
| Gross margin | 47.7% | -46.6% | 48.0% | | 100.0% | | | |
| Selling, general and administrative | 1.1 | 1.1 | 2.0 | 2.0 | 1.7 | | 0.4 | |
| Other operating expenses [+] | | | 3.0 | 2.2 | 1.5 | | | |
| Exploration expenses | | | 3.0 | 2.2 | 1.5 | | | |
| EBITDA [+] | 0.1 | -1.4 | -4.8 | -4.1 | -4.1 | | | |
| EBITDA growth | -110.3% | -71.1% | 16.1% | 0.9% | 819.6% | | 210.4% | |
| EBITDA margin | 6.6% | -132.0% | -5061.3% | | 452.1% | | | |
| Depreciation and amortization | 0.2 | 0.2 | 0.1 | 0.1 | 0.0 | | | |
| EBIT [+] | 0.0 | -1.5 | -4.9 | -4.2 | -4.1 | | -0.4 | |
| EBIT growth | -97.1% | -68.7% | 16.8% | 3.3% | 820.2% | | 197.9% | |
| EBIT margin | -2.1% | -147.3% | -5214.8% | | 452.4% | | | |
| Non-recurring items | | | | | -0.9 | | | |
| Interest expense, net [+] | 1.1 | 1.3 | 0.5 | -1.3 | 0.0 | | 0.0 | |
| Interest expense | 1.1 | 1.3 | 0.5 | | | | | |
| Interest income | | 0.0 | | 1.3 | 0.0 | | 0.0 | |
| Other income (expense), net [+] | 0.0 | 0.3 | -2.1 | -2.7 | -0.9 | | -0.1 | |
| Gain (loss) on derivative instruments | 0.0 | 0.9 | -2.0 | | | | | |
| Unrealized gain/loss on derivatives | 0.4 | | | | | | | |
| Pre-tax income | -1.2 | -2.6 | -7.6 | -5.6 | -4.0 | | -0.5 | |
| Income taxes | 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% | |
| Net income | -1.2 | -2.6 | -7.6 | -5.6 | -4.0 | | -0.5 | |
| Net margin | -55.0% | -244.4% | -8075.5% | | 448.4% | | | |
| |
| Basic EPS [+] | ($0.03) | ($0.10) | ($0.32) | ($0.28) | ($0.32) | | ($0.13) | |
| Growth | -72.4% | -69.1% | 15.3% | -13.2% | 155.9% | | | |
| Diluted EPS [+] | ($0.03) | ($0.10) | ($0.32) | ($0.28) | ($0.32) | | ($0.13) | |
| Growth | -72.4% | -69.1% | 15.3% | -13.2% | 155.9% | | | |
| |
| Shares outstanding (basic) [+] | 43.3 | 25.7 | 23.7 | 20.0 | 12.6 | | 4.0 | |
| Growth | 68.2% | 8.4% | 18.9% | 58.5% | 218.5% | | | |
| Shares outstanding (diluted) [+] | 43.3 | 25.7 | 23.7 | 20.0 | 12.6 | | 4.0 | |
| Growth | 68.2% | 8.4% | 18.9% | 58.5% | 218.5% | | | |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |