| In millions, except per share items | Oct-31-17 | Oct-31-16 | May-31-16 | Oct-31-15 | May-31-15 | May-31-14 | May-31-13 | May-11-13 |
| | 10-K | 10-K | 10-K | 10-K/A | 10-K | 10-K | 10-K | 10-K |
| Revenues [+] | 8.9 | 3.1 | 0.0 | 2.1 | 0.0 | 0.0 | 0.1 | 0.1 |
| Services | | | | | 0.0 | | 0.1 | |
| Revenue growth | 188.5% | 44.5% | -100.0% | | | -100.0% | | 336.4% |
| Cost of goods sold | 6.3 | 2.5 | 0.0 | 1.4 | 0.0 | 0.0 | 0.0 | 0.0 |
| Gross profit | 2.7 | 0.6 | 0.0 | 0.7 | 0.0 | 0.0 | 0.1 | 0.1 |
| Gross margin | 29.8% | 20.6% | | 33.7% | 100.0% | | 82.1% | 80.9% |
| Selling, general and administrative [+] | 7.7 | 1.0 | 6.0 | 0.6 | 4.2 | 0.0 | 0.1 | 0.1 |
| General and administrative [+] | 7.7 | 1.0 | 6.0 | 0.6 | 4.2 | | | |
| General and administrative expenses | 7.7 | 1.0 | 6.0 | 0.6 | 4.2 | | | |
| Professional fees | | | | 0.2 | | | | |
| Other operating expenses | 0.1 | | 0.1 | 0.2 | | 0.0 | | 0.0 |
| EBITDA [+] | -5.1 | -0.4 | -6.1 | -0.1 | -4.2 | 0.0 | 0.0 | 0.0 |
| EBITDA growth | 1230.9% | 291.2% | 43.5% | | 18733.1% | 277.8% | | 134.8% |
| EBITDA margin | -57.6% | -12.5% | | -4.6% | -3037141.0% | | -8.1% | -10.8% |
| Depreciation and amortization | 0.3 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| EBIT [+] | -5.4 | -0.4 | -6.1 | -0.1 | -4.2 | 0.0 | 0.0 | 0.0 |
| EBIT growth | 1289.6% | 246.2% | 43.9% | | 18444.6% | 236.0% | | 143.3% |
| EBIT margin | -60.6% | -12.6% | | -5.3% | -3044653.2% | | -9.2% | -12.1% |
| Non-recurring items [+] | 0.1 | | 0.3 | 0.1 | | 0.0 | | |
| Asset impairment | 0.3 | | 0.4 | | | 0.0 | | |
| Loss (gain) on sale of assets | | | -0.1 | 0.1 | | | | |
| Interest expense | 0.3 | 0.1 | 0.5 | 0.1 | | | | |
| Interest expense | 0.3 | 0.1 | 0.5 | 0.1 | | | | |
| Other income (expense), net [+] | -0.3 | -0.1 | 0.0 | 0.1 | | 0.0 | | |
| Amortization of financing costs and debt discount | -0.5 | -0.1 | | | | | | |
| Gain (loss) on debt retirement | 0.1 | | 0.1 | | | | | |
| Gain (loss) on derivative instruments | 0.1 | | 0.0 | | | | | |
| Other | -0.6 | -0.2 | | 0.0 | | | | |
| Pre-tax income | -6.1 | -0.6 | -7.0 | -0.2 | -4.2 | 0.0 | 0.0 | 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% | 89.8% | 0.0% | 0.0% |
| Minority interest | | | | 0.1 | | | | |
| Net income | -6.1 | -0.6 | -7.0 | -0.3 | -4.2 | 0.0 | 0.0 | 0.0 |
| Net margin | -68.8% | -18.3% | | -12.4% | -3023020.1% | | -9.2% | -12.1% |
| |
| Basic EPS [+] | ($0.13) | ($0.02) | ($1.08) | ($0.01) | ($0.91) | ($0.01) | $0.00 | |
| Growth | 461.3% | 105.7% | 19.4% | | 17673.9% | 129.1% | | |
| Diluted EPS [+] | ($0.13) | ($0.02) | ($1.08) | ($0.01) | ($0.91) | ($0.01) | $0.00 | |
| Growth | 461.3% | 105.7% | 19.4% | | 17673.9% | 129.1% | | |
| |
| Shares outstanding (basic) [+] | 47.2 | 24.5 | 6.4 | 23.6 | 4.7 | 4.5 | 3.0 | |
| Growth | 92.8% | 3.9% | 37.9% | | 4.3% | 46.7% | | |
| Shares outstanding (diluted) [+] | 47.2 | 24.5 | 6.4 | 23.6 | 4.7 | 4.5 | 3.0 | |
| Growth | 92.8% | 3.9% | 37.9% | | 4.3% | 46.7% | | |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |