| 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/A | 10-K | 10-K | 10-K | 10-K | 10-K |
| Revenues | 0.0 | 14.7 | 0.0 | 2.7 | 1.7 | 0.4 | 0.7 | 0.0 |
| Revenue growth | -100.0% | 121897.9% | -99.6% | 62.5% | 305.5% | -39.1% | | |
| Cost of goods sold | 0.0 | 0.0 | -8.2 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Gross profit | 0.0 | 14.7 | 8.2 | 2.7 | 1.7 | 0.4 | 0.7 | 0.0 |
| Gross margin | | 100.0% | 68304.8% | 100.0% | 100.0% | 100.0% | 100.0% | |
| Selling, general and administrative [+] | 8.3 | 5.3 | 4.7 | 4.4 | 4.4 | 4.6 | 5.6 | 4.0 |
| General and administrative | 8.3 | 5.3 | 4.7 | 4.4 | 4.4 | 4.6 | 5.6 | 4.0 |
| Research and development | 3.4 | 5.4 | 3.6 | 5.4 | 8.1 | 10.3 | 8.4 | 2.7 |
| Other operating expenses | | 14.7 | 8.2 | 0.1 | 0.1 | 0.0 | 0.0 | -0.4 |
| EBITDA [+] | -11.7 | -10.6 | -8.2 | -7.2 | -10.9 | -14.5 | -13.3 | -6.2 |
| EBITDA growth | 9.9% | 29.9% | 14.2% | -34.4% | -24.9% | 8.9% | 114.2% | -2855.2% |
| EBITDA margin | | -72.2% | -67827.8% | -266.8% | -661.1% | -3567.8% | -1994.0% | |
| Depreciation | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| EBITA | -11.7 | -10.6 | -8.2 | -7.2 | -11.0 | -14.6 | -13.4 | -6.2 |
| EBITA margin | | -72.4% | -67897.5% | -267.8% | -663.1% | -3572.5% | -1994.8% | |
| Amortization of intangibles | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | | | |
| EBIT [+] | -11.7 | -10.7 | -8.2 | -7.2 | -11.0 | -14.6 | -13.4 | -6.2 |
| EBIT growth | 9.9% | 30.0% | 13.8% | -34.2% | -24.7% | 9.1% | 114.2% | -2877.0% |
| EBIT margin | | -72.6% | -68104.8% | -268.7% | -663.5% | -3572.5% | -1994.8% | |
| Non-recurring items [+] | 0.6 | 3.6 | -1.3 | | | | | |
| Asset impairment | | 4.0 | | | | | | |
| Loss (gain) on sale of business | | | -0.1 | | | | | |
| Loss on contingent liability | 0.6 | -0.5 | -1.2 | | | | | |
| Interest expense, net [+] | 0.0 | 0.0 | 0.0 | -0.1 | -0.1 | 0.0 | 0.0 | 1.9 |
| Interest expense | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 1.9 |
| Interest income | 0.1 | 0.0 | 0.0 | 0.1 | 0.1 | 0.0 | 0.0 | 0.0 |
| Other income (expense), net [+] | -1.4 | 0.3 | | 0.1 | 0.1 | 0.0 | 0.0 | -0.2 |
| Gain (loss) on sale of assets | 0.0 | | | | | | | |
| Gain (loss) on debt retirement | | 0.3 | | | | | | |
| Gain (loss) on foreign currency transactions | 0.0 | | | | | | | |
| Change in fair value of warrants | -1.4 | | | | | | | 0.2 |
| Other | | | | | | | | 0.0 |
| Pre-tax income | -13.7 | -14.0 | -6.8 | -7.0 | -10.7 | -14.6 | -13.3 | -8.4 |
| Income taxes | -0.1 | -0.2 | 0.0 | 0.1 | 0.1 | -1.3 | 0.0 | 0.0 |
| Tax rate | 0.8% | 1.4% | | | | 9.2% | 0.0% | 0.0% |
| Minority interest | | | | | | | 0.0 | 0.0 |
| Net income | -13.6 | -13.8 | -6.9 | -7.1 | -10.8 | -13.2 | -13.3 | -16.6 |
| Net margin | | -93.6% | -56901.7% | -264.2% | -654.2% | -3243.5% | -1993.8% | |
| |
| Basic EPS [+] | ($18.55) | ($57.12) | ($1.49) | ($2.23) | ($4.57) | ($0.93) | ($1.51) | ($2.70) |
| Growth | -67.5% | 3721.9% | -33.0% | -51.2% | 393.1% | -38.6% | -44.0% | -70.7% |
| Diluted EPS [+] | ($18.55) | ($57.12) | ($1.49) | ($2.23) | ($4.57) | ($0.93) | ($1.51) | ($2.70) |
| Growth | -67.5% | 3721.9% | -33.0% | -51.2% | 393.1% | -38.6% | -44.0% | -70.7% |
| |
| Shares outstanding (basic) [+] | 0.7 | 0.2 | 4.6 | 3.2 | 2.4 | 14.3 | 8.8 | 6.2 |
| Growth | 203.7% | -94.7% | 44.3% | 34.5% | -83.4% | 61.4% | 43.3% | 3095.9% |
| Shares outstanding (diluted) [+] | 0.7 | 0.2 | 4.6 | 3.2 | 2.4 | 14.3 | 8.8 | 6.2 |
| Growth | 203.7% | -94.7% | 44.3% | 34.5% | -83.4% | 61.4% | 43.3% | 3095.9% |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |