| In millions, except per share items | Nov-30-22 | Nov-30-21 | Nov-30-20 | Nov-30-19 | Nov-30-18 | Nov-30-17 |
| | 10-K/A | 10-K/A | 10-K | 10-K | 10-K | 10-K |
| Revenues | 2.4 | 0.4 | 0.1 | 0.1 | 0.3 | 0.4 |
| Revenue growth | 556.2% | 404.7% | -46.4% | -50.3% | -26.8% | |
| Cost of goods sold | 2.6 | 0.3 | 0.0 | 0.1 | 0.1 | 0.2 |
| Gross profit | -0.1 | 0.0 | 0.0 | 0.0 | 0.1 | 0.2 |
| Gross margin | -5.3% | 8.3% | 46.0% | 23.8% | 53.4% | 54.0% |
| Selling, general and administrative [+] | 1.0 | 1.4 | 0.1 | 0.4 | 0.2 | 0.3 |
| Sales and marketing | | | 0.0 | 0.1 | 0.0 | 0.0 |
| General and administrative [+] | | | 0.1 | 0.3 | 0.2 | 0.3 |
| Wages and related expenses | | | 0.0 | 0.2 | 0.1 | 0.2 |
| General and administrative expenses | | | 0.1 | 0.1 | 0.1 | 0.1 |
| Other operating expenses | | | | | -0.2 | |
| EBITDA [+] | -1.0 | -1.3 | | | | -0.1 |
| EBITDA growth | -20.9% | 1524.1% | -79.7% | -529.7% | -221.5% | |
| EBITDA margin | -42.3% | -351.1% | -109.1% | -287.6% | 33.3% | -20.0% |
| Depreciation and amortization | 0.4 | 0.1 | | | | 0.0 |
| EBIT [+] | -1.5 | -1.4 | -0.1 | -0.4 | 0.1 | -0.1 |
| EBIT growth | 6.5% | 1630.5% | -79.7% | -529.7% | -206.9% | |
| EBIT margin | -60.7% | -374.1% | -109.1% | -287.6% | 33.3% | -22.8% |
| Non-recurring items [+] | | | | | 0.2 | |
| Legal settlement | | | | | 0.2 | |
| Other income (expense), net [+] | -0.9 | 0.2 | 0.0 | | 0.3 | |
| Realized gain (loss) on investments | | | | | 0.0 | |
| Gain (loss) on debt retirement | | | 0.0 | | | |
| Other non-operating income | 0.0 | | | | | |
| Other non-ooperating expenses | -1.0 | | | | | |
| Pre-tax income | -2.4 | -1.2 | -0.1 | -0.4 | 0.2 | -0.1 |
| Income taxes | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Tax rate | | | 0.0% | 0.0% | 0.0% | 0.0% |
| Net income | -2.4 | -1.2 | -0.1 | -0.4 | 0.2 | -0.1 |
| Net margin | -96.8% | -318.4% | -94.9% | -287.6% | 70.5% | -22.8% |
| |
| Basic EPS [+] | ($0.58) | ($0.70) | ($0.04) | ($0.25) | $0.46 | ($857.11) |
| Growth | -18.3% | 1593.6% | -83.4% | -154.0% | -100.1% | |
| Diluted EPS [+] | ($0.58) | ($0.70) | ($0.04) | ($0.25) | $0.31 | ($857.11) |
| Growth | -18.3% | 1593.6% | -83.4% | -181.2% | -100.0% | |
| |
| Shares outstanding (basic) [+] | 4.1 | 1.7 | 1.7 | 1.6 | 0.4 | 0.0 |
| Growth | 144.3% | 0.0% | 6.5% | 274.7% | 419259.0% | |
| Shares outstanding (diluted) [+] | 4.1 | 1.7 | 1.7 | 1.6 | 0.6 | 0.0 |
| Growth | 144.3% | 0.0% | 6.5% | 149.5% | 629695.0% | |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |