| 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 | 0.1 | 0.1 | 0.3 | 0.5 | 0.2 | 0.5 | 0.5 | 9.4 |
| Revenue growth | 48.3% | -75.0% | -36.1% | 137.0% | -55.5% | 4.0% | -95.2% | -94419.1% |
| Cost of goods sold | 0.0 | 0.0 | 0.3 | 0.0 | 0.2 | 0.5 | 0.5 | 10.4 |
| Gross profit | 0.1 | 0.1 | 0.0 | 0.5 | 0.0 | 0.0 | 0.0 | -1.0 |
| Gross margin | 99.9% | 98.7% | 0.0% | 100.0% | 0.0% | 0.0% | 0.0% | -10.2% |
| Selling, general and administrative [+] | 1.5 | 1.0 | 0.3 | 0.4 | 0.2 | 0.5 | 0.4 | 0.5 |
| General and administrative | 1.5 | 1.0 | 0.3 | 0.4 | 0.2 | 0.5 | 0.4 | 0.5 |
| Equity in earnings | 0.3 | | | | | | | |
| Other operating expenses | 0.3 | 0.5 | | 0.4 | | | 0.0 | 9.0 |
| EBITDA [+] | -2.3 | -1.5 | | | | | | |
| EBITDA growth | 55.6% | 371.1% | -7.6% | 63.8% | -55.5% | 4.0% | -95.7% | 473.5% |
| EBITDA margin | -1979.9% | -1886.0% | -100.0% | -69.1% | -100.0% | -100.0% | -100.0% | -110.2% |
| Depreciation and amortization | 0.1 | 0.1 | | | | | | |
| EBIT [+] | -2.4 | -1.6 | -0.3 | -0.3 | -0.2 | -0.5 | -0.5 | -10.4 |
| EBIT growth | 54.8% | 400.3% | -7.6% | 63.8% | -55.5% | 4.0% | -95.7% | 473.5% |
| EBIT margin | -2091.1% | -2003.1% | -100.0% | -69.1% | -100.0% | -100.0% | -100.0% | -110.2% |
| Non-recurring items [+] | | | | 0.1 | | | | |
| Asset impairment | | | | 0.1 | | | | |
| Interest expense | 0.9 | 0.1 | 0.2 | 0.1 | 0.1 | 0.1 | 0.2 | 0.9 |
| Interest expense | 0.9 | 0.1 | 0.2 | 0.1 | 0.1 | 0.1 | 0.2 | 0.9 |
| Other income (expense), net [+] | -0.6 | 0.1 | 6.2 | 2.4 | -0.1 | -1.8 | 0.0 | 0.3 |
| Amortization of financing costs and debt discount | | | | | | | | -1.3 |
| Gain (loss) on debt retirement | | 0.1 | 6.2 | 2.4 | | | | |
| Gain (loss) on derivative instruments | -0.6 | 0.0 | 0.0 | -0.1 | 0.0 | 0.1 | | |
| Unrealized gain/loss on derivatives | | | | | | | 0.0 | |
| Other non-ooperating expenses | | | | | | | | 0.2 |
| Other | | | | | | | -0.2 | -0.6 |
| Pre-tax income | -3.9 | -1.6 | 5.6 | 1.8 | -0.4 | -2.4 | -0.6 | -11.0 |
| Income taxes | 0.0 | 0.0 | 0.0 | 0.0 | -0.2 | 0.0 | 0.0 | 0.0 |
| Tax rate | 0.0% | 0.0% | 0.0% | 0.0% | 34.3% | 0.0% | 0.0% | 0.0% |
| Net income | -4.2 | -1.8 | 5.6 | 1.8 | -0.3 | -2.4 | -0.6 | -11.0 |
| Net margin | -3561.7% | -2250.8% | 1778.0% | 372.6% | -137.7% | -513.8% | -143.2% | -116.6% |
| |
| Basic EPS [+] | ($0.20) | ($0.09) | $0.39 | $0.20 | ($0.04) | ($0.31) | ($0.10) | ($4.07) |
| Growth | 110.2% | -124.5% | 90.9% | -644.1% | -88.1% | 214.2% | -97.6% | 179.2% |
| Diluted EPS [+] | ($0.20) | ($0.09) | $0.35 | $0.20 | ($0.04) | ($0.31) | ($0.10) | ($4.07) |
| Growth | 110.2% | -126.9% | 73.6% | -644.1% | -88.1% | 214.2% | -97.6% | 179.2% |
| |
| Shares outstanding (basic) [+] | 20.9 | 18.7 | 14.5 | 9.1 | 7.7 | 7.7 | 6.5 | 2.7 |
| Growth | 11.6% | 29.2% | 59.7% | 17.8% | 0.0% | 18.7% | 140.3% | 6.2% |
| Shares outstanding (diluted) [+] | 20.9 | 18.7 | 16.0 | 9.1 | 7.7 | 7.7 | 6.5 | 2.7 |
| Growth | 11.6% | 17.5% | 75.6% | 17.8% | 0.0% | 18.7% | 140.3% | 6.2% |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |