| 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/A | 10-K/A |
| Revenues | 0.0 | 0.0 | 0.0 | 1.9 | -0.1 | 0.0 | 0.0 | 0.0 |
| Revenue growth | -100.0% | 183.8% | -99.5% | -1900.2% | | | -100.0% | -97.7% |
| Cost of goods sold | 0.0 | 0.0 | 0.0 | 1.9 | -6.4 | 0.0 | 0.0 | 0.0 |
| Gross profit | 0.0 | 0.0 | 0.0 | 0.0 | 6.3 | 0.0 | 0.0 | 0.0 |
| Gross margin | | 79.1% | 100.0% | 0.0% | -6128.5% | | | -964.6% |
| Selling, general and administrative [+] | 5.1 | 5.6 | 2.6 | 1.9 | 1.9 | 1.4 | 0.9 | 0.1 |
| General and administrative [+] | 5.1 | 5.6 | 2.6 | 1.9 | 1.9 | 1.4 | 0.9 | 0.1 |
| General and administrative expenses | 0.4 | 0.2 | 0.1 | 1.0 | 1.9 | 1.4 | 0.9 | 0.1 |
| Professional fees | 4.7 | 5.4 | 2.5 | 0.9 | | | | |
| Other selling, general and administrative | | | | | | | | |
| Other operating expenses | 8.3 | 0.5 | | | 7.7 | 0.2 | 7.0 | 0.1 |
| EBITDA [+] | -13.4 | -6.1 | -2.6 | | -3.2 | -1.6 | -8.0 | -0.2 |
| EBITDA growth | 118.5% | 139.0% | 37.8% | -42.2% | 98.7% | -79.7% | 3876.2% | -17.6% |
| EBITDA margin | | -25408.5% | -30171.7% | -100.0% | 3113.9% | | | -17791.5% |
| Depreciation and amortization | 0.0 | 0.0 | 0.0 | | 0.0 | 0.0 | 0.0 | 0.0 |
| EBIT [+] | -13.4 | -6.1 | -2.6 | -1.9 | -3.2 | -1.6 | -8.0 | -0.2 |
| EBIT growth | 118.4% | 139.1% | 37.8% | -42.2% | 98.6% | -79.6% | 3828.7% | -17.6% |
| EBIT margin | | -25421.0% | -30174.8% | -100.0% | 3114.3% | | | -18009.7% |
| Non-recurring items [+] | -0.3 | | | | | | | |
| Legal settlement | -0.3 | | | | | | | |
| Interest expense, net [+] | 0.1 | 0.1 | 0.2 | 0.1 | | 0.1 | 0.1 | 0.1 |
| Interest expense | 0.1 | 0.1 | 0.2 | 0.1 | 0.0 | 0.1 | 0.1 | 0.1 |
| Interest income | 0.0 | | | | | 0.0 | 0.0 | |
| Other income (expense), net [+] | -0.4 | 0.1 | 0.0 | 0.5 | -0.1 | 0.1 | | |
| Gain (loss) on sale of assets | 0.0 | | | | | | | |
| Unrealized gain (loss) on marketable securities | | | 0.0 | 0.1 | 0.0 | | | |
| Other | | | | | | -0.1 | | |
| Pre-tax income | -13.6 | -6.1 | -2.8 | -1.4 | -3.4 | -1.6 | -8.1 | -0.3 |
| 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% | 0.0% | 0.0% |
| Net income | -13.6 | -6.1 | -2.8 | -1.4 | -3.4 | -1.6 | -8.1 | -0.3 |
| Net margin | | -25136.5% | -32688.1% | -76.7% | 3258.0% | | | -27379.5% |
| |
| Basic EPS [+] | ($0.05) | ($0.03) | ($0.01) | ($0.01) | ($0.02) | ($0.01) | ($0.08) | $0.00 |
| Growth | 104.7% | 93.2% | 66.9% | -62.2% | 66.4% | -84.6% | 2153.5% | -91.4% |
| Diluted EPS [+] | ($0.05) | ($0.03) | ($0.01) | ($0.01) | ($0.02) | ($0.01) | ($0.08) | $0.00 |
| Growth | 104.7% | 93.2% | 66.9% | -62.2% | 66.4% | -84.6% | 2153.5% | -91.4% |
| |
| Shares outstanding (basic) [+] | 257.3 | 234.9 | 207.9 | 178.5 | 159.0 | 128.3 | 97.9 | 84.3 |
| Growth | 9.5% | 13.0% | 16.5% | 12.3% | 23.9% | 31.0% | 16.2% | 921.9% |
| Shares outstanding (diluted) [+] | 257.3 | 234.9 | 207.9 | 178.5 | 159.0 | 128.3 | 97.9 | 84.3 |
| Growth | 9.5% | 13.0% | 16.5% | 12.3% | 23.9% | 31.0% | 16.2% | 921.9% |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |