| 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 | 15.5 | 11.4 | 3.6 | 1.0 | 1.9 | 0.7 | 1.4 | 1.0 |
| Revenue growth | 36.3% | 213.8% | 252.7% | -44.4% | 150.5% | -46.3% | 42.5% | 13.9% |
| Cost of goods sold | 4.3 | 5.0 | 1.2 | 0.5 | 0.7 | 0.2 | 0.6 | 0.3 |
| Gross profit | 11.2 | 6.4 | 2.5 | 0.5 | 1.2 | 0.5 | 0.8 | 0.7 |
| Gross margin | 72.1% | 56.2% | 68.0% | 47.6% | 62.5% | 67.2% | 58.9% | 70.5% |
| Selling, general and administrative [+] | 20.0 | 20.3 | 18.9 | 8.0 | 7.3 | 3.0 | 2.7 | 2.7 |
| Sales and marketing | 7.5 | 8.6 | 5.2 | 1.6 | 0.5 | | | |
| General and administrative | 12.6 | 11.7 | 13.7 | 6.4 | 6.8 | 3.0 | 2.7 | 2.7 |
| Research and development | 0.6 | 1.1 | 1.2 | 1.2 | 1.0 | 1.3 | 1.1 | 2.2 |
| Other operating expenses | -0.5 | -0.8 | 0.4 | 0.1 | 0.0 | 0.0 | 0.3 | 0.3 |
| EBITDA [+] | -8.0 | -12.9 | -17.0 | -8.7 | -7.2 | -3.8 | -3.0 | -4.2 |
| EBITDA growth | -38.0% | -24.1% | 94.9% | 21.9% | 88.3% | 27.0% | -29.2% | -25.1% |
| EBITDA margin | -51.6% | -113.4% | -468.7% | -848.0% | -386.9% | -514.6% | -217.4% | -437.8% |
| Depreciation | 1.0 | 1.2 | 0.3 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 |
| EBITA | -9.0 | -14.1 | -17.3 | -8.8 | -7.2 | -3.8 | -3.0 | -4.2 |
| EBITA margin | -57.7% | -124.2% | -476.9% | -854.9% | -388.1% | -517.8% | -218.8% | -438.2% |
| Amortization of intangibles | | | 0.7 | | | | 0.3 | 0.3 |
| EBIT [+] | -9.0 | -14.1 | -18.0 | -8.8 | -7.2 | -3.8 | -3.3 | -4.5 |
| EBIT growth | -36.7% | -21.5% | 104.8% | 22.5% | 87.7% | 15.3% | -26.9% | -23.9% |
| EBIT margin | -57.7% | -124.2% | -496.6% | -854.9% | -388.1% | -517.8% | -241.1% | -470.0% |
| Non-recurring items [+] | | | 7.2 | | | | 0.0 | -0.1 |
| Asset impairment | | | 7.2 | | | | | |
| Loss (gain) on sale of assets | | | | | | | 0.0 | -0.1 |
| Interest expense | 11.4 | 6.7 | 1.5 | 0.5 | 4.5 | 1.1 | 0.9 | 0.4 |
| Interest expense | 11.4 | 6.7 | 1.5 | 0.5 | 4.5 | 1.1 | 0.9 | 0.4 |
| Other income (expense), net [+] | 10.1 | -6.4 | -4.2 | -1.2 | 0.0 | -0.6 | -2.3 | 0.0 |
| Amortization of debt discount premium | | | | | | | 0.0 | 0.0 |
| Gain (loss) on debt retirement | -0.4 | 0.2 | -0.6 | | | | | |
| Gain (loss) on foreign currency transactions | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Change in fair value of warrants | | | | 0.2 | 0.1 | -0.6 | -2.2 | |
| Other | -1.3 | -13.1 | -5.7 | -1.6 | 0.0 | | 0.0 | 0.0 |
| Pre-tax income | -10.3 | -27.2 | -30.9 | -10.4 | -11.6 | -5.5 | -6.4 | -4.8 |
| 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% |
| Net income | -10.3 | -27.2 | -30.9 | -10.4 | -11.6 | -5.5 | -6.4 | -4.8 |
| Net margin | -66.3% | -239.2% | -852.7% | -1013.9% | -628.7% | -749.9% | -467.9% | -498.2% |
| |
| Basic EPS [+] | ($0.02) | ($0.05) | ($0.08) | ($0.05) | ($0.08) | ($0.04) | ($0.06) | ($0.08) |
| Growth | -64.3% | -35.8% | 59.7% | -34.1% | 95.0% | -33.3% | -21.6% | -38.4% |
| Diluted EPS [+] | ($0.02) | ($0.05) | ($0.08) | ($0.05) | ($0.08) | ($0.04) | ($0.06) | ($0.08) |
| Growth | -64.3% | -35.8% | 59.7% | -34.1% | 95.0% | -33.3% | -21.6% | -38.4% |
| |
| Shares outstanding (basic) [+] | 549.5 | 518.4 | 378.1 | 203.6 | 149.5 | 138.8 | 107.6 | 63.0 |
| Growth | 6.0% | 37.1% | 85.7% | 36.1% | 7.7% | 29.0% | 70.8% | 30.7% |
| Shares outstanding (diluted) [+] | 549.5 | 518.4 | 378.1 | 203.6 | 149.5 | 138.8 | 107.6 | 63.0 |
| Growth | 6.0% | 37.1% | 85.7% | 36.1% | 7.7% | 29.0% | 70.8% | 30.7% |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |