| In millions, except per share items | Dec-31-22 | Dec-31-21 | Dec-31-20 | Dec-31-19 | Dec-31-18 | Dec-31-17 | Dec-31-16 | Dec-31-15 |
| | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K |
| Revenues | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 4.1 | 8.3 |
| Revenue growth | | | | | | -100.0% | -50.8% | -27.1% |
| Cost of goods sold | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 3.3 | 7.8 |
| Gross profit | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.7 | 0.4 |
| Gross margin | | | | | | | 18.1% | 5.2% |
| Selling, general and administrative [+] | 11.0 | 9.7 | 10.5 | 10.6 | 10.7 | 7.2 | 6.4 | 6.6 |
| Sales and marketing | | | | | | | 2.4 | 2.9 |
| General and administrative | 11.0 | 9.7 | 10.5 | 10.6 | 10.7 | 7.2 | 4.0 | 3.6 |
| Research and development | 31.0 | 22.0 | 10.9 | 13.7 | 7.6 | 4.0 | 0.3 | 0.3 |
| Other operating expenses | -0.4 | | 7.2 | 1.3 | | | | |
| EBITDA [+] | -41.6 | -31.7 | -28.6 | -25.5 | -18.2 | -11.2 | | |
| EBITDA growth | 31.3% | 10.7% | 12.0% | 40.2% | 63.1% | 92.1% | -9.3% | -4.0% |
| EBITDA margin | | | | | | | -143.0% | -77.5% |
| Depreciation | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | | |
| EBITA | -41.6 | -31.7 | -28.6 | -25.5 | -18.2 | -11.2 | -5.8 | -6.4 |
| EBITA margin | | | | | | | -143.0% | -77.5% |
| Amortization of intangibles | | | | | | | 0.1 | 0.1 |
| EBIT [+] | -41.6 | -31.7 | -28.6 | -25.5 | -18.2 | -11.2 | -5.9 | -6.5 |
| EBIT growth | 31.3% | 10.7% | 12.0% | 40.2% | 63.2% | 87.9% | -8.0% | -3.2% |
| EBIT margin | | | | | | | -146.2% | -78.2% |
| Non-recurring items [+] | 0.4 | 5.1 | 32.3 | | | | | |
| In-process research & development | | 5.1 | 32.3 | | | | | |
| Interest expense, net [+] | 2.2 | 0.0 | 4.0 | 1.6 | 6.0 | 0.4 | 0.8 | 1.4 |
| Interest expense | 2.7 | 0.0 | 4.0 | 1.8 | 6.2 | 0.4 | 0.8 | 1.4 |
| Interest income | 0.5 | 0.0 | 0.0 | 0.2 | 0.2 | | | |
| Other income (expense), net [+] | 0.4 | 0.0 | 3.4 | 0.1 | 0.0 | | 0.6 | -0.9 |
| Gain (loss) on debt retirement | 0.0 | | | -1.0 | | | | |
| Gain (loss) on derivative instruments | 0.4 | 0.0 | 0.8 | 1.2 | 0.1 | | | |
| Change in fair value of warrants | | | 2.6 | -0.1 | | | | |
| Pre-tax income | -43.8 | -36.8 | -61.5 | -27.0 | -24.2 | -11.6 | -6.2 | -8.7 |
| Income taxes | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Tax rate | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | | |
| Net income | -43.8 | -36.8 | -61.5 | -27.0 | -24.2 | -11.6 | -6.2 | -8.7 |
| Net margin | | | | | | | -152.8% | -105.7% |
| |
| Basic EPS [+] | ($3.38) | ($3.03) | ($0.58) | ($0.81) | ($0.98) | ($0.98) | ($11.26) | ($2.65) |
| Growth | 11.6% | 419.8% | -28.3% | -16.8% | 0.0% | -91.3% | 324.2% | -32.8% |
| Diluted EPS [+] | ($3.38) | ($3.03) | ($0.58) | ($0.81) | ($0.98) | ($0.98) | ($11.26) | ($2.65) |
| Growth | 11.6% | 419.8% | -28.3% | -16.8% | 0.0% | -91.3% | 324.2% | -32.8% |
| |
| Shares outstanding (basic) [+] | 13.0 | 12.2 | 105.6 | 33.3 | 24.8 | 11.9 | 0.6 | 3.3 |
| Growth | 6.6% | -88.5% | 217.0% | 34.6% | 108.3% | 2053.7% | -83.2% | 17.6% |
| Shares outstanding (diluted) [+] | 13.0 | 12.2 | 105.6 | 33.3 | 24.8 | 11.9 | 0.6 | 3.3 |
| Growth | 6.6% | -88.5% | 217.0% | 34.6% | 108.3% | 2053.7% | -83.2% | 17.6% |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |