| 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 |
| Total revenues | 5.1 | 13.2 | 0.0 | 0.1 | 0.3 | 0.3 | 0.3 | 0.3 |
| Revenue growth | -61.3% | | -100.0% | -52.9% | 0.0% | 0.0% | 0.0% | -79.5% |
| Cost of goods sold | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | -29.6 |
| Gross profit | 5.1 | 13.2 | 0.0 | 0.1 | 0.3 | 0.3 | 0.3 | 29.9 |
| Gross margin | 100.0% | 100.0% | | 100.0% | 100.0% | 100.0% | 100.0% | 11624.5% |
| Selling, general and administrative | 90.8 | 74.0 | 14.6 | 10.6 | 8.7 | 8.3 | 8.0 | 12.2 |
| Research and development | | | 36.5 | 38.4 | 21.6 | 18.3 | 20.1 | 16.4 |
| Other operating expenses | 4.1 | 5.5 | | | | | | 28.6 |
| EBITDA [+] | -89.2 | -66.0 | -51.0 | -48.8 | -29.9 | -26.3 | -27.8 | -26.9 |
| EBITDA growth | 35.3% | 29.2% | 4.6% | 63.1% | 13.9% | -5.4% | 3.4% | 100.5% |
| EBITDA margin | -1752.2% | -501.0% | | -40338.8% | -11645.9% | -10225.3% | -10813.6% | -10463.0% |
| Depreciation | -0.1 | 0.2 | 0.1 | 0.1 | 0.1 | 0.0 | 0.0 | 0.4 |
| EBITA | -89.1 | -66.1 | -51.1 | -48.9 | -30.0 | -26.3 | -27.8 | -27.3 |
| EBITA margin | -1750.4% | -502.4% | | -40430.6% | -11666.5% | -10241.2% | -10823.7% | -10637.0% |
| Amortization of intangibles | 0.7 | 0.2 | | | | | | |
| EBIT [+] | -89.8 | -66.3 | -51.1 | -48.9 | -30.0 | -26.3 | -27.8 | -27.3 |
| EBIT growth | 35.4% | 29.7% | 4.6% | 63.2% | 13.9% | -5.4% | 1.8% | 86.6% |
| EBIT margin | -1764.2% | -503.9% | | -40430.6% | -11666.5% | -10241.2% | -10823.7% | -10637.0% |
| Non-recurring items | | | | | | | | 1.0 |
| Interest expense, net [+] | -1.4 | 0.0 | 1.0 | 0.2 | 0.7 | 1.1 | 0.2 | 0.0 |
| Interest expense | 5.2 | 2.7 | 1.2 | 1.0 | 1.6 | 1.5 | 0.4 | 0.0 |
| Interest income | 1.4 | 0.0 | 0.2 | 0.8 | 1.0 | 0.4 | 0.2 | |
| Other income (expense), net [+] | 26.1 | 33.0 | -6.2 | -4.6 | 11.4 | 2.3 | -2.0 | 0.0 |
| Amortization of financing costs and debt discount | | | 1.2 | 1.2 | 0.4 | 0.4 | 0.1 | |
| Gain (loss) on debt retirement | | | -1.8 | -1.0 | | | | |
| Unrealized gain/loss on derivatives | -22.3 | -30.4 | 3.0 | 2.9 | -11.9 | -2.7 | 1.9 | |
| Change in fair value of warrants | -22.3 | -30.4 | 5.2 | 4.5 | -11.9 | -2.7 | 1.9 | |
| Other non-operating income | 0.0 | 0.0 | -0.3 | -0.5 | | | | |
| Other non-ooperating expenses | | | 0.6 | | | | | |
| Other | 0.0 | 0.0 | -0.3 | 0.5 | | | | |
| Pre-tax income | -67.5 | -36.0 | -58.3 | -53.7 | -19.2 | -25.1 | -30.0 | -28.3 |
| Income taxes | -4.7 | -3.1 | -3.1 | 0.0 | -6.7 | 0.0 | 0.0 | 0.0 |
| Tax rate | 7.0% | 8.6% | 5.4% | 0.0% | 35.1% | 0.0% | 0.0% | 0.0% |
| Net income | -62.8 | -32.9 | -55.2 | -53.7 | -12.5 | -25.1 | -30.0 | -32.6 |
| Net margin | -1233.7% | -249.7% | | -44388.4% | -4851.4% | -9751.0% | -11668.9% | -12693.8% |
| |
| Basic EPS [+] | ($1.47) | ($1.25) | ($5.15) | ($9.58) | ($0.28) | ($0.94) | ($1.58) | ($2.68) |
| Growth | 18.3% | -75.8% | -46.2% | 3270.9% | -69.7% | -40.5% | -41.3% | -4.8% |
| Diluted EPS [+] | ($1.47) | ($1.25) | ($5.15) | ($9.58) | ($0.28) | ($0.94) | ($1.58) | ($2.68) |
| Growth | 18.3% | -75.8% | -46.2% | 3270.9% | -69.7% | -40.5% | -41.3% | -0.1% |
| |
| Shares outstanding (basic) [+] | 42.6 | 26.4 | 10.7 | 5.6 | 43.9 | 26.7 | 19.0 | 12.2 |
| Growth | 61.5% | 146.1% | 91.2% | -87.2% | 64.1% | 40.5% | 56.5% | 114.8% |
| Shares outstanding (diluted) [+] | 42.6 | 26.4 | 10.7 | 5.6 | 43.9 | 26.7 | 19.0 | 12.2 |
| Growth | 61.5% | 146.1% | 91.2% | -87.2% | 64.1% | 40.5% | 56.5% | 104.9% |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |