| 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 |
| | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K |
| Revenues [+] | 2.0 | 1.2 | 1.8 | 2.5 | 2.2 | 2.0 | 1.8 | 1.4 |
| Services | | | | | | 1.8 | 1.4 | 1.4 |
| Grants | | | | | | 0.2 | 0.4 | 0.0 |
| Revenue growth | 64.0% | -32.6% | -26.4% | 9.7% | 13.4% | 9.9% | 30.8% | -8.6% |
| Cost of goods sold | 0.9 | 0.6 | 1.2 | 1.3 | 1.3 | 0.8 | 0.6 | 0.7 |
| Gross profit | 1.1 | 0.6 | 0.6 | 1.2 | 1.0 | 1.1 | 1.2 | 0.7 |
| Gross margin | 52.9% | 52.2% | 33.9% | 47.9% | 43.2% | 57.8% | 66.1% | 52.5% |
| Selling, general and administrative [+] | 4.1 | 4.1 | 5.3 | 4.4 | 4.6 | 3.7 | 3.6 | 3.1 |
| Sales and marketing | 0.3 | 0.6 | 0.7 | 1.0 | 1.2 | 0.9 | 0.7 | 0.7 |
| General and administrative | 3.8 | 3.4 | 4.6 | 3.4 | 3.4 | 2.8 | 2.9 | 2.4 |
| Other selling, general and administrative | | | | | | | | |
| Research and development | 1.1 | 1.1 | 1.2 | 1.2 | 1.0 | 1.2 | 1.1 | 1.0 |
| Other operating expenses | | | | | | | 2.6 | |
| EBITDA [+] | -4.1 | -4.5 | -5.7 | -4.4 | -4.6 | -3.7 | -6.1 | -3.3 |
| EBITDA growth | -8.6% | -21.5% | 29.6% | -5.5% | 24.8% | -39.0% | 86.2% | 0.8% |
| EBITDA margin | -203.5% | -365.3% | -313.9% | -178.3% | -207.0% | -188.1% | -339.1% | -238.1% |
| Depreciation | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 |
| EBITA | -4.1 | -4.5 | -5.7 | -4.4 | -4.6 | -3.7 | -6.1 | -3.3 |
| EBITA margin | -204.7% | -368.6% | -316.0% | -178.6% | -207.4% | -189.0% | -340.5% | -242.8% |
| Amortization of intangibles | 0.1 | 0.1 | 0.1 | 0.1 | | | | |
| EBIT [+] | -4.2 | -4.6 | -5.8 | -4.5 | -4.6 | -3.7 | -6.1 | -3.3 |
| EBIT growth | -8.7% | -21.0% | 29.7% | -3.7% | 24.4% | -39.0% | 83.3% | 0.3% |
| EBIT margin | -209.0% | -375.7% | -320.7% | -182.2% | -207.4% | -189.0% | -340.5% | -242.8% |
| Non-recurring items | | | | | | | -2.6 | |
| Interest expense | 14.5 | 8.3 | 5.3 | 4.2 | 6.1 | 4.5 | 4.1 | 1.3 |
| Interest expense | 14.5 | 8.3 | 5.3 | 4.2 | 6.1 | 4.5 | 4.1 | 1.3 |
| Other income (expense), net [+] | -1.5 | -3.1 | -0.4 | -1.1 | 0.0 | 5.5 | 0.3 | 0.0 |
| Gain (loss) on investments | | | | 0.0 | 0.0 | | | |
| Gain (loss) on debt retirement | | | -0.8 | 0.3 | | 0.0 | | |
| Gain (loss) on derivative instruments | | | | | | 5.9 | -2.2 | 0.2 |
| Other non-ooperating expenses | | | | 0.0 | 0.0 | 0.0 | 0.0 | -0.2 |
| Other | | | | 0.0 | 0.0 | 0.0 | 0.0 | 0.2 |
| Pre-tax income | -20.2 | -16.0 | -11.4 | -9.7 | -10.7 | -2.7 | -7.4 | -4.6 |
| Income taxes | 0.0 | 0.0 | 0.2 | 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% |
| Net income | -22.7 | -17.6 | -15.9 | -23.5 | -10.7 | -2.7 | -7.4 | -6.3 |
| Net margin | -1132.9% | -1440.7% | -876.7% | -955.0% | -478.3% | -137.0% | -413.8% | -454.8% |
| |
| Basic EPS [+] | ($3.42) | ($5.32) | ($7.98) | ($15.33) | ($9.62) | ($2.97) | ($0.36) | ($0.44) |
| Growth | -35.8% | -33.3% | -47.9% | 59.4% | 223.8% | 727.7% | -18.1% | -1.3% |
| Diluted EPS [+] | ($3.42) | ($5.32) | ($7.98) | ($15.33) | ($9.62) | ($2.97) | ($0.36) | ($0.44) |
| Growth | -35.8% | -33.3% | -47.9% | 59.4% | 223.8% | 727.7% | -18.1% | -1.3% |
| |
| Dividends per share [+] | $0.25 | $0.46 | $0.78 | $0.44 | | | | |
| Growth | -45.6% | -41.2% | 76.3% | | | | | -100.0% |
| |
| Shares outstanding (basic) [+] | 6.6 | 3.3 | 2.0 | 1.5 | 1.1 | 0.9 | 20.7 | 14.3 |
| Growth | 100.9% | 66.2% | 29.8% | 37.4% | 22.3% | -95.6% | 45.3% | 20.7% |
| Shares outstanding (diluted) [+] | 6.6 | 3.3 | 2.0 | 1.5 | 1.1 | 0.9 | 20.7 | 14.3 |
| Growth | 100.9% | 66.2% | 29.8% | 37.4% | 22.3% | -95.6% | 45.3% | 20.7% |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |