| In millions, except per share items | Dec-31-20 | Dec-31-19 | Dec-31-18 | Dec-31-17 | Dec-31-16 | Dec-31-15 | Dec-31-14 | Dec-31-13 |
| Revenues | 58.8 | 53.7 | 61.4 | 52.6 | 41.2 | 33.6 | 25.1 | 17.4 |
| Revenue growth | 9.6% | -12.6% | 16.7% | 27.8% | 22.5% | 33.6% | 44.5% | 156.6% |
| Cost of goods sold | 1.9 | 1.4 | 0.9 | 0.4 | 0.1 | 0.0 | 0.0 | 0.0 |
| Gross profit | 57.0 | 52.3 | 60.5 | 52.2 | 41.1 | 33.6 | 25.1 | 17.4 |
| Gross margin | 96.8% | 97.3% | 98.6% | 99.3% | 99.7% | 99.9% | 99.9% | 100.0% |
| General and administrative | 4.7 | 5.3 | 4.6 | 5.3 | 3.8 | 2.9 | 0.8 | 0.7 |
| EBITA | 52.3 | 52.3 | 65.0 | 53.5 | 40.7 | 30.0 | 11.0 | 12.3 |
| EBITA margin | 89.0% | 97.4% | 105.8% | 101.7% | 98.9% | 89.2% | 43.6% | 70.6% |
| Amortization of intangibles | 2.0 | 1.9 | 2.1 | 1.6 | 1.5 | 1.4 | 1.0 | 0.6 |
| EBIT | 50.3 | 50.4 | 62.9 | 51.9 | 39.2 | 28.6 | 10.0 | 11.7 |
| EBIT margin | 85.6% | 93.9% | 102.4% | 98.6% | 95.3% | 85.0% | 39.6% | 67.0% |
| Pre-tax income | 11.3 | 26.1 | 116.4 | 16.1 | 9.9 | 1.2 | 2.5 | 0.0 |
| Income taxes | -0.4 | 3.3 | 0.3 | -3.1 | 0.0 | 0.0 | 0.0 | 0.0 |
| Tax rate | | 12.6% | 0.3% | | 0.0% | 0.0% | 0.0% | |
| Earnings from continuing ops | 11.7 | 22.8 | 116.0 | 19.3 | 9.9 | 0.7 | -2.7 | 5.6 |
| Earnings from discontinued ops | 17.3 | -1.2 | -0.2 | | | | | |
| Net income | 29.1 | 21.6 | 115.8 | 19.3 | 9.9 | 0.7 | -2.7 | 5.6 |
| Net margin | 49.4% | 40.2% | 188.6% | 36.6% | 24.0% | 2.2% | -10.7% | 32.5% |
| |
| Diluted EPS | $0.46 | $0.90 | $4.30 | $0.84 | $0.58 | $0.07 | | |
| Shares outstanding (diluted) | 25.5 | 25.3 | 27.0 | 22.8 | 17.1 | 10.7 | | |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |