| 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 | 10.5 | 28.7 | 13.3 | 12.8 | 0.0 | 0.0 | 0.0 | 0.0 |
| Revenue growth | -63.5% | 115.6% | 3.5% | | | | | |
| Cost of goods sold | 0.3 | 2.1 | 2.1 | 2.9 | 1.6 | 0.0 | 0.0 | 0.0 |
| Gross profit | 10.1 | 26.6 | 11.2 | 9.9 | -1.6 | 0.0 | 0.0 | 0.0 |
| Gross margin | 96.7% | 92.8% | 83.9% | 77.1% | | | | |
| Selling, general and administrative [+] | 15.3 | 8.7 | 7.9 | 10.8 | 12.5 | 12.8 | 14.0 | 8.9 |
| General and administrative | 15.3 | 8.7 | 7.9 | 10.8 | 12.5 | 12.8 | 14.0 | 8.9 |
| Research and development | 19.6 | 10.2 | 8.8 | 19.4 | 41.8 | 20.6 | 20.5 | 13.9 |
| Other operating expenses | | | | | 0.0 | | 35.5 | |
| EBITDA [+] | -23.9 | 8.0 | -5.3 | -20.0 | -55.6 | -33.0 | -69.8 | -22.7 |
| EBITDA growth | -399.2% | -249.7% | -73.4% | -64.0% | 68.3% | -52.7% | 207.0% | 38.9% |
| EBITDA margin | -228.5% | 27.9% | -40.2% | -156.0% | | | | |
| Depreciation and amortization | 0.9 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.2 | 0.1 |
| EBIT [+] | -24.8 | 7.7 | -5.6 | -20.3 | -55.9 | -33.4 | -69.9 | -22.8 |
| EBIT growth | -421.4% | -237.8% | -72.4% | -63.6% | 67.5% | -52.3% | 206.6% | 38.7% |
| EBIT margin | -237.5% | 27.0% | -42.2% | -158.4% | | | | |
| Non-recurring items [+] | 17.7 | | | | 0.0 | | -32.5 | |
| In-process research & development | 17.7 | | | | | | | |
| Interest expense | 0.3 | 0.2 | 4.8 | 4.9 | 5.5 | 5.8 | 5.5 | 2.7 |
| Interest expense | 0.3 | 0.2 | 4.8 | 4.9 | 5.5 | 5.8 | 5.5 | 2.7 |
| Other income (expense), net [+] | 0.5 | -16.0 | -2.4 | 0.7 | 4.8 | -4.3 | 26.5 | -29.2 |
| Amortization of financing costs and debt discount | | -0.2 | -2.3 | -1.7 | -1.6 | -1.6 | -1.6 | -1.9 |
| Gain (loss) on debt retirement | | -16.1 | | | 0.0 | | -4.7 | |
| Change in fair value of warrants | 0.3 | 0.0 | -0.2 | 2.0 | 6.0 | -3.1 | 32.5 | -27.3 |
| Pre-tax income | -42.3 | -8.5 | -12.8 | -24.5 | -56.6 | -43.4 | -16.5 | -54.6 |
| Income taxes | -0.8 | 0.0 | 0.0 | 0.0 | -0.1 | 0.0 | 0.0 | 0.0 |
| Tax rate | 1.9% | | 0.3% | 0.1% | 0.2% | 0.1% | 0.1% | |
| Net income | -41.5 | -62.9 | -12.8 | -24.5 | -56.5 | -43.4 | -16.5 | -54.7 |
| Net margin | -397.2% | -219.5% | -96.0% | -191.0% | | | | |
| |
| Basic EPS [+] | ($1.20) | ($2.11) | ($3.21) | ($13.23) | ($3.15) | ($2.96) | ($1.13) | ($7.42) |
| Growth | -43.0% | -34.1% | -75.8% | 320.1% | 6.4% | 161.7% | -84.7% | -27.8% |
| Diluted EPS [+] | ($1.20) | ($2.11) | ($3.21) | ($13.23) | ($3.15) | ($2.96) | ($1.13) | ($7.42) |
| Growth | -43.0% | -34.1% | -75.8% | 320.1% | 6.4% | 161.7% | -84.7% | -27.8% |
| |
| Shares outstanding (basic) [+] | 34.5 | 29.8 | 4.0 | 1.9 | 17.9 | 14.7 | 14.6 | 7.4 |
| Growth | 15.9% | 647.7% | 114.8% | -89.7% | 22.4% | 0.4% | 98.1% | 209.5% |
| Shares outstanding (diluted) [+] | 34.5 | 29.8 | 4.0 | 1.9 | 17.9 | 14.7 | 14.6 | 7.4 |
| Growth | 15.9% | 647.7% | 114.8% | -89.7% | 22.4% | 0.4% | 98.1% | 209.5% |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |