| In millions, except per share items | Dec-31-21 | Dec-31-20 | Dec-31-19 | Dec-31-18 | Dec-31-17 | Dec-31-16 | Dec-31-15 | Dec-31-14 |
| Revenues | 4.2 | 2.3 | 2.4 | 5.9 | 6.8 | 7.6 | 14.7 | 7.1 |
| Revenue growth | 82.2% | -4.3% | -59.4% | -13.5% | -10.3% | -48.7% | 108.2% | -43.3% |
| Cost of goods sold | 3.9 | 1.9 | 2.0 | 2.1 | 2.1 | 2.7 | 8.4 | 2.9 |
| Gross profit | 0.3 | 0.4 | 0.4 | 3.7 | 4.7 | 4.8 | 6.3 | 4.2 |
| Gross margin | 6.8% | 18.6% | 15.2% | 63.3% | 69.6% | 64.1% | 42.8% | 59.1% |
| Selling, general and administrative | 6.5 | 1.6 | 0.7 | | | | | |
| Sales and marketing | | | | 1.5 | 1.5 | 1.8 | 2.2 | 1.9 |
| Research and development | | | | 0.8 | 1.6 | 1.8 | 1.8 | 1.4 |
| General and administrative | | | | 2.2 | 2.0 | 2.2 | 3.5 | 2.5 |
| EBITA | 55.9 | -1.1 | -0.3 | -0.8 | -0.4 | -0.9 | -3.9 | -1.5 |
| EBITA margin | 1346.3% | -48.0% | -12.6% | -14.0% | -6.3% | -11.7% | -26.7% | -21.8% |
| Amortization of intangibles | 0.2 | 0.1 | 0.1 | | | | 0.8 | |
| EBIT | 55.7 | -1.2 | -0.4 | -0.8 | -0.4 | -0.9 | -4.7 | -1.5 |
| EBIT margin | 1340.4% | -53.0% | -16.0% | -14.0% | -6.3% | -11.7% | -32.0% | -21.8% |
| Pre-tax income | 55.6 | -1.1 | -0.3 | -0.8 | -0.4 | -0.9 | -4.7 | -1.6 |
| Income taxes | 0.0 | 0.0 | -0.1 | 0.0 | 0.0 | 0.1 | 0.2 | 0.1 |
| Tax rate | 0.0% | | 26.1% | | 2.2% | | | |
| Earnings from continuing ops | 55.6 | -1.1 | -0.3 | -0.9 | -0.4 | -0.9 | -4.9 | -1.7 |
| Earnings from discontinued ops | 0.0 | | | -0.3 | -1.4 | 4.3 | | |
| Net income | 55.6 | -1.1 | -0.3 | -1.2 | -1.8 | -5.2 | -4.7 | -1.6 |
| Net margin | 1340.3% | -50.0% | -12.9% | -20.0% | -26.1% | -69.1% | -32.2% | -22.8% |
| |
| Diluted EPS | $3.89 | ($0.11) | ($0.03) | ($0.26) | ($0.13) | ($0.34) | ($2.06) | ($0.36) |
| Shares outstanding (diluted) | 14.3 | 10.7 | 8.8 | 3.4 | 3.0 | 2.8 | 2.4 | 4.7 |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |