| In millions, except per share items | Dec-31-22 | Dec-05-22 | Dec-31-21 | Dec-05-21 | Dec-31-20 | Dec-31-19 | Dec-31-18 | Dec-31-17 |
| | 10-K | 8-K | 10-K | 8-K | 10-K | 10-K | 10-K | 10-K |
| Revenues: |
| United States | 5.4 | | 5.7 | | 26.9 | 22.0 | 7.1 | 11.3 |
| Japan | 1.5 | | 1.0 | | 1.2 | 1.5 | 1.0 | 1.4 |
| Other | 12.3 | | 7.3 | | 2.0 | 1.6 | 7.2 | 36.5 |
| Total revenues [+] | 19.3 | 19.3 | 14.0 | 14.0 | 30.1 | 25.1 | 15.3 | 49.2 |
| Royalties | | 36.9 | | 31.8 | | | | |
| Products | | 6.1 | | 7.6 | | | | |
| Revenue growth [+] | 38.0% | 38.0% | -53.6% | | 20.1% | 64.2% | -68.9% | 250.6% |
| United States | -4.3% | | -78.8% | | 22.5% | 211.1% | -37.7% | |
| Japan | 46.6% | | -13.5% | | -20.2% | 51.0% | -30.1% | |
| Cost of goods sold | 1.6 | 1.6 | 2.0 | 2.0 | 1.4 | 1.3 | 1.6 | 6.6 |
| Gross profit | 17.7 | 17.7 | 12.0 | 12.0 | 28.7 | 23.8 | 13.6 | 42.5 |
| Gross margin | 91.8% | 91.8% | 86.0% | 86.0% | 95.3% | 95.0% | 89.3% | 86.5% |
| Selling, general and administrative | 52.8 | 15.9 | 46.3 | 14.4 | 41.3 | 14.1 | 12.3 | 13.2 |
| Research and development | | | | | | 29.6 | 25.0 | 31.6 |
| Other operating expenses | 2.4 | 36.9 | 2.1 | 31.8 | -11.5 | | | |
| EBITDA [+] | -37.4 | | -36.1 | | -0.8 | -19.7 | -23.4 | -1.8 |
| EBITDA growth | 3.4% | 2.4% | 4405.4% | | -95.9% | -16.0% | 1199.2% | -94.4% |
| EBITDA margin | -193.8% | -181.9% | -258.5% | -245.2% | -2.7% | -78.4% | -153.1% | -3.7% |
| Depreciation and amortization | 0.1 | | 0.3 | | 0.3 | 0.3 | 0.3 | 0.4 |
| EBIT [+] | -37.5 | -35.1 | -36.4 | -34.3 | -1.1 | -19.9 | -23.6 | -2.2 |
| EBIT growth | 2.9% | 2.4% | 3214.0% | | -94.5% | -15.6% | 956.8% | -93.1% |
| EBIT margin | -194.4% | -181.9% | -260.6% | -245.2% | -3.6% | -79.5% | -154.8% | -4.5% |
| Interest expense | | | | | | 2.5 | 2.6 | 2.4 |
| Interest expense | 2.4 | | 2.1 | | 2.2 | 2.5 | 2.6 | 2.4 |
| Other income (expense), net [+] | 4.5 | -0.3 | 2.3 | -2.0 | 2.8 | 1.1 | 0.9 | 0.8 |
| Other non-operating income | 2.1 | | 0.2 | | 0.5 | 1.1 | 0.9 | 1.0 |
| Other | 2.1 | | 0.2 | | 0.5 | 1.1 | 0.9 | 1.0 |
| Pre-tax income | -35.3 | -35.3 | -36.3 | -36.3 | -0.6 | -21.4 | -25.3 | -3.8 |
| Income taxes | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | -0.8 | 0.0 | -0.2 |
| Tax rate | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 3.7% | 0.1% | 3.9% |
| Earnings from continuing ops | -35.3 | -35.3 | -36.3 | -36.3 | -0.6 | -22.2 | -25.4 | -3.7 |
| Earnings from discontinued ops | | | | | 13.8 | 0.8 | 0.0 | |
| Net income | -35.3 | -35.3 | -36.3 | -36.3 | -0.6 | -21.4 | -25.3 | -3.7 |
| Net margin | -183.2% | -183.2% | -259.5% | -259.5% | -1.9% | -85.2% | -165.9% | -7.5% |
| |
| Basic EPS [+] | ($1.55) | ($1.55) | ($1.61) | ($1.61) | ($0.03) | ($0.12) | ($0.16) | ($0.03) |
| Growth | -3.7% | -3.7% | 5422.6% | | -76.6% | -21.6% | 523.9% | -90.2% |
| Diluted EPS [+] | ($1.55) | ($1.55) | ($1.61) | ($1.61) | ($0.03) | ($0.12) | ($0.16) | ($0.03) |
| Growth | -3.7% | -3.7% | 5422.6% | | -76.6% | -21.6% | 523.9% | -90.2% |
| |
| Shares outstanding (basic) [+] | 22.8 | 22.8 | 22.5 | 22.5 | 19.9 | 178.0 | 159.8 | 145.3 |
| Growth | 1.2% | 1.2% | 12.8% | | -88.8% | 11.4% | 10.0% | 9.1% |
| Shares outstanding (diluted) [+] | 22.8 | 22.8 | 22.5 | 22.5 | 19.9 | 178.0 | 159.8 | 145.3 |
| Growth | 1.2% | 1.2% | 12.8% | | -88.8% | 11.4% | 10.0% | 9.1% |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |