| In millions, except per share items | Feb-28-23 | Feb-28-22 | Feb-28-21 | Feb-29-20 | Feb-28-19 | Feb-28-18 | Feb-28-17 | Feb-29-16 |
| | 10-K | 10-K | 10-K | 10-K | 10-K/A | 10-K/A | 10-K | 10-K/A |
| Revenues [+] | 0.2 | 0.0 | -0.1 | -0.5 | 3.4 | 6.7 | 0.0 | 0.0 |
| Royalties | | | | | 3.4 | 6.7 | | |
| Net interest income | | | -0.1 | -0.5 | | | | |
| Revenue growth | | -100.0% | -81.4% | -114.5% | -48.5% | | | |
| Cost of goods sold | 0.0 | 0.0 | -72.7 | -29.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Gross profit | 0.2 | 0.0 | 72.6 | 28.5 | 3.4 | 6.7 | 0.0 | 0.0 |
| Gross margin | 100.0% | | -78025.0% | -5696.6% | 100.0% | 100.0% | | |
| Selling, general and administrative [+] | 20.4 | 12.8 | 11.5 | 7.2 | 8.8 | 6.9 | 2.3 | 1.7 |
| General and administrative [+] | 20.4 | 12.8 | 11.5 | 7.2 | 8.8 | 6.9 | 2.3 | 1.7 |
| General and administrative expenses | 20.4 | 12.8 | 11.5 | 7.2 | 8.8 | 6.9 | 2.3 | 1.7 |
| Research and development | | | 18.7 | 4.7 | | | 1.5 | 0.8 |
| Equity in earnings | | -1.1 | | | | | | |
| Other operating expenses | -16.6 | 2.5 | 72.5 | 28.1 | 6.9 | 13.4 | 0.1 | 0.1 |
| EBITDA [+] | -3.6 | -16.4 | -30.1 | -11.5 | -12.3 | -13.6 | -3.9 | -2.7 |
| EBITDA growth | -77.8% | -45.6% | 160.9% | -5.8% | -9.6% | 249.9% | 44.4% | 336.9% |
| EBITDA margin | -2104.8% | | 32387.5% | 2307.8% | -355.5% | -202.5% | | |
| Depreciation | 0.6 | 0.5 | 0.7 | 0.8 | 0.5 | 0.4 | 0.3 | 0.1 |
| EBITA | -4.2 | -17.0 | -30.9 | -12.3 | -12.8 | -13.9 | -4.2 | -2.8 |
| EBITA margin | -2423.1% | | 33176.2% | 2464.6% | -370.1% | -208.0% | | |
| Amortization of intangibles | 0.0 | 0.0 | 0.0 | 0.0 | | | 0.1 | |
| EBIT [+] | -4.2 | -17.0 | -30.9 | -12.4 | -12.8 | -13.9 | -4.3 | -2.8 |
| EBIT growth | -75.3% | -45.1% | 150.1% | -3.2% | -8.3% | 226.0% | 50.9% | 361.0% |
| EBIT margin | -2423.1% | | 33221.2% | 2469.1% | -370.1% | -208.0% | | |
| Non-recurring items [+] | 17.3 | 27.7 | 5.0 | 0.0 | 4.3 | | | |
| Asset impairment | | | 5.0 | 0.0 | 0.3 | | | |
| Legal settlement | | | | | 4.0 | | | |
| In-process research & development | 17.3 | 27.7 | | | | | | |
| Interest expense, net [+] | 0.0 | -0.6 | -0.6 | 2.2 | 0.5 | 0.0 | | |
| Interest expense | 0.0 | 0.1 | 0.1 | 2.2 | 0.5 | 0.0 | | |
| Interest income | | 0.7 | 0.7 | | | | | |
| Other income (expense), net [+] | 0.3 | -0.8 | -1.0 | 0.1 | 0.0 | -0.1 | 0.2 | 0.0 |
| Gain (loss) on sale of assets | -16.7 | | | | | | | |
| Litigation settlement | | 2.5 | | | | | | |
| Gain (loss) on foreign currency transactions | -0.3 | 0.1 | 0.3 | -0.1 | 0.0 | 0.1 | -0.2 | 0.0 |
| Pre-tax income | -21.3 | -44.9 | -36.3 | -14.5 | -17.5 | -14.0 | -4.1 | -2.8 |
| 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 | -21.3 | -44.9 | -36.3 | -14.5 | -17.5 | -14.0 | -4.1 | -2.8 |
| Net margin | -12324.0% | | 39062.5% | 2898.3% | -508.5% | -209.7% | | |
| |
| Basic EPS [+] | | ($0.99) | ($0.89) | ($0.38) | ($0.52) | ($0.43) | ($0.13) | ($0.10) |
| Growth | | 11.8% | 131.9% | -26.3% | 20.7% | 225.1% | 27.6% | 616.1% |
| Diluted EPS [+] | | ($0.99) | ($0.89) | ($0.38) | ($0.52) | ($0.43) | ($0.13) | ($0.10) |
| Growth | | 11.8% | 131.9% | -26.3% | 20.7% | 225.1% | 27.6% | 616.1% |
| |
| Shares outstanding (basic) [+] | | 45.3 | 41.0 | 37.9 | 33.8 | 32.6 | 31.1 | 27.4 |
| Growth | | 10.5% | 8.0% | 12.3% | 3.5% | 5.0% | 13.7% | 37.8% |
| Shares outstanding (diluted) [+] | | 45.3 | 41.0 | 37.9 | 33.8 | 32.6 | 31.1 | 27.4 |
| Growth | | 10.5% | 8.0% | 12.3% | 3.5% | 5.0% | 13.7% | 37.8% |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |