| 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 | 3.2 | 0.5 | 0.9 | 0.0 | 24.1 | 23.8 | 21.4 | 16.5 |
| Revenue growth | 523.5% | -41.4% | | -100.0% | 1.5% | 11.0% | 30.0% | 70.5% |
| Cost of goods sold | 3.5 | 0.5 | 0.9 | 0.0 | 9.1 | 8.2 | 6.5 | 4.1 |
| Gross profit | -0.4 | 0.0 | 0.0 | 0.0 | 15.0 | 15.5 | 14.9 | 12.3 |
| Gross margin | -12.1% | -6.0% | 0.0% | | 62.4% | 65.4% | 69.6% | 75.0% |
| Selling, general and administrative | 2.7 | 1.2 | 2.2 | 1.3 | | | 16.4 | 13.1 |
| Sales and marketing | | | | | 4.4 | 3.6 | 7.4 | 6.9 |
| Research and development | | | | | 4.4 | 4.0 | 4.6 | 2.5 |
| General and administrative | | | | | 7.3 | 8.3 | | |
| EBITA | -3.1 | -1.2 | -2.2 | -1.3 | -1.1 | -0.5 | -5.4 | -2.8 |
| EBITA margin | -97.3% | -242.8% | -255.2% | | -4.6% | -1.9% | -25.0% | -17.2% |
| Amortization of intangibles | | | 0.0 | | | | 0.7 | 0.4 |
| EBIT | -3.1 | -1.2 | -2.2 | -1.3 | -1.1 | -0.5 | -6.1 | -3.2 |
| EBIT margin | -97.3% | -242.8% | -259.5% | | -4.6% | -1.9% | -28.4% | -19.6% |
| Pre-tax income | -12.2 | -1.3 | -6.0 | -1.3 | -2.4 | -3.9 | -6.3 | -3.3 |
| Income taxes | 0.0 | 0.0 | 0.0 | 10.1 | 0.0 | 0.0 | 0.0 | 0.0 |
| Tax rate | 0.0% | 0.0% | 0.0% | | 0.0% | 0.0% | 0.0% | 0.0% |
| Earnings from continuing ops | -12.4 | -1.6 | -6.2 | -1.3 | -2.4 | -3.9 | -6.3 | -3.3 |
| Earnings from discontinued ops | | -0.1 | 14.4 | -10.1 | | | | |
| Net income | -12.4 | -1.7 | 8.2 | -11.4 | -2.4 | -3.9 | -6.3 | -3.3 |
| Net margin | -394.3% | -328.3% | 952.6% | | -10.1% | -16.2% | -29.3% | -19.8% |
| |
| Diluted EPS | ($0.77) | ($0.23) | ($0.07) | ($0.02) | ($0.04) | ($0.06) | ($0.10) | ($0.05) |
| Shares outstanding (diluted) | 16.2 | 6.8 | 84.0 | 66.0 | 65.4 | 65.1 | 63.7 | 60.8 |
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| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |