| 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 | 0.1 | 0.3 | 0.3 | 1.9 | 0.5 | 0.4 | 0.4 | 0.7 |
| Revenue growth | -61.6% | -12.2% | -82.0% | 300.1% | 17.8% | 13.2% | -44.6% | 9.9% |
| Cost of goods sold | 0.1 | 0.4 | 0.3 | 1.7 | 0.4 | 0.3 | 0.3 | 0.6 |
| Gross profit | 0.1 | 0.0 | 0.0 | 0.2 | 0.1 | 0.1 | 0.0 | 0.0 |
| Gross margin | 51.1% | -15.5% | 1.0% | 12.4% | 20.1% | 34.3% | 7.5% | 3.7% |
| Selling, general and administrative [+] | 12.8 | 7.5 | 1.0 | 0.9 | 1.2 | 2.0 | 0.4 | 3.5 |
| Sales and marketing | 2.4 | 1.4 | 0.1 | 0.1 | 0.1 | 0.0 | 0.1 | 0.2 |
| General and administrative [+] | 10.4 | 6.1 | 0.9 | 0.8 | 1.1 | 1.9 | 0.3 | 0.3 |
| General and administrative expenses | 5.0 | 1.9 | 0.2 | 0.2 | 0.3 | 1.5 | 0.1 | 0.3 |
| Professional fees | 5.4 | 4.3 | 0.7 | 0.6 | 0.9 | 0.4 | 0.2 | 3.1 |
| Other selling, general and administrative | | | | | | | | 3.1 |
| Research and development | | | | | | | | |
| Other operating expenses | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 | 0.0 | 0.0 | -0.1 |
| EBITDA [+] | -12.3 | -7.5 | -1.0 | -0.6 | -1.2 | -1.8 | -0.4 | -3.4 |
| EBITDA growth | 63.9% | 681.3% | 64.8% | -51.9% | -32.0% | 392.6% | -89.5% | 246.3% |
| EBITDA margin | -10546.7% | -2467.4% | -277.1% | -30.2% | -251.2% | -435.3% | -100.0% | -525.6% |
| Depreciation | 0.5 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| EBITA | -12.8 | -7.6 | -1.0 | -0.6 | -1.2 | -1.8 | -0.4 | -3.4 |
| EBITA margin | -10964.4% | -2489.5% | -284.9% | -30.8% | -251.5% | -435.6% | -100.3% | -525.6% |
| Amortization of intangibles | | | | | | | | 0.0 |
| EBIT [+] | -12.8 | -7.6 | -1.0 | -0.6 | -1.2 | -1.8 | -0.4 | -3.4 |
| EBIT growth | 68.9% | 666.7% | 66.2% | -51.0% | -32.0% | 391.6% | -89.4% | 246.3% |
| EBIT margin | -10964.4% | -2489.5% | -284.9% | -30.8% | -251.5% | -435.6% | -100.3% | -525.7% |
| Interest expense | 0.5 | 0.3 | 0.4 | 0.1 | 0.1 | 0.0 | 0.0 | 0.0 |
| Interest expense | 0.5 | 0.3 | 0.4 | 0.1 | 0.1 | 0.0 | 0.0 | 0.0 |
| Other income (expense), net [+] | 0.7 | 0.0 | 0.2 | 0.3 | -0.5 | -1.6 | -0.8 | -0.1 |
| Amortization of financing costs and debt discount | | | | | | 0.0 | 0.0 | |
| Amortization of debt discount premium | | | | | | -0.1 | -0.1 | |
| Gain (loss) on debt retirement | 0.3 | 0.0 | | 0.3 | -0.5 | -0.9 | | |
| Gain (loss) on derivative instruments | | | | | | -0.5 | -0.6 | |
| Gain (loss) on foreign currency transactions | | | 0.0 | 0.0 | 0.1 | 0.0 | 0.0 | 0.0 |
| Other non-ooperating expenses | | | | | | | | 0.0 |
| Other | -0.2 | | | | 0.0 | -0.2 | -0.8 | -0.1 |
| Pre-tax income | -12.5 | -7.9 | -1.2 | -0.4 | -1.8 | -3.4 | -1.1 | -3.5 |
| 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 | -12.5 | -7.9 | -1.2 | -0.4 | -1.8 | -3.4 | -1.1 | -3.5 |
| Net margin | -10759.0% | -2599.9% | -343.1% | -21.5% | -366.1% | -832.7% | -314.6% | -535.2% |
| |
| Basic EPS [+] | ($0.73) | ($0.69) | ($0.43) | ($0.01) | ($0.08) | ($0.17) | ($0.02) | ($0.09) |
| Growth | 6.9% | 58.1% | 3757.4% | -85.7% | -52.7% | 888.2% | -80.4% | -97.7% |
| Diluted EPS [+] | ($0.73) | ($0.69) | ($0.43) | ($0.01) | ($0.08) | ($0.17) | ($0.02) | ($0.09) |
| Growth | 6.9% | 58.1% | 3757.4% | -85.7% | -52.7% | 888.2% | -80.4% | -97.7% |
| |
| Shares outstanding (basic) [+] | 17.1 | 11.5 | 2.7 | 36.8 | 22.3 | 20.4 | 67.3 | 40.5 |
| Growth | 48.5% | 320.7% | -92.6% | 64.8% | 9.6% | -69.7% | 66.3% | 32062.0% |
| Shares outstanding (diluted) [+] | 17.1 | 11.5 | 2.7 | 36.8 | 22.3 | 20.4 | 67.3 | 40.5 |
| Growth | 48.5% | 320.7% | -92.6% | 64.8% | 9.6% | -69.7% | 66.3% | 32062.0% |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |