| 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 |
| | 10-K | 10-K | 10-K | 10-K | 10-K | S-1 | S-1 |
| Revenues | 19.7 | 11.7 | 2.1 | 1.1 | 1.0 | 0.2 | 0.3 |
| Revenue growth | 68.6% | 465.5% | 90.4% | 3.6% | 419.9% | -25.5% | |
| Cost of goods sold | 11.2 | 6.5 | 0.9 | 0.5 | 0.7 | 1.5 | 1.5 |
| Gross profit | 8.5 | 5.1 | 1.2 | 0.6 | 0.4 | -1.3 | -1.2 |
| Gross margin | 43.3% | 43.9% | 58.5% | 52.7% | 34.6% | -639.6% | -441.1% |
| Selling, general and administrative [+] | 24.1 | 19.1 | 13.1 | 16.4 | 12.3 | 12.5 | 9.7 |
| Sales and marketing | 12.0 | 9.7 | 5.5 | 4.5 | 4.3 | | |
| General and administrative | 12.1 | 9.4 | 7.6 | 11.9 | 8.0 | 12.5 | 9.7 |
| Research and development | 15.9 | 11.1 | 6.8 | 4.9 | 4.2 | 0.1 | 0.1 |
| Other operating expenses | 3.2 | | | | | 1.2 | 1.3 |
| EBITDA [+] | -29.3 | -21.8 | -17.4 | -19.9 | -15.1 | -13.7 | -11.4 |
| EBITDA growth | 34.6% | 25.2% | -12.7% | 32.2% | 9.7% | 20.3% | |
| EBITDA margin | -148.9% | -186.4% | -841.8% | -1836.5% | -1439.2% | -6818.6% | -4224.8% |
| Depreciation | -0.2 | 0.1 | 0.1 | 0.6 | 0.9 | 1.2 | 1.0 |
| EBITA | -29.1 | -21.9 | -17.5 | -20.5 | -15.9 | -15.0 | -12.4 |
| EBITA margin | -147.7% | -187.6% | -847.1% | -1893.5% | -1521.5% | -7433.8% | -4581.6% |
| Amortization of intangibles | 5.6 | 3.2 | 1.3 | 0.2 | 0.2 | | |
| EBIT [+] | -34.7 | -25.1 | -18.7 | -20.8 | -16.2 | -15.0 | -12.4 |
| EBIT growth | 38.3% | 33.8% | -9.8% | 28.5% | 8.1% | 20.9% | |
| EBIT margin | -176.3% | -214.9% | -908.1% | -1916.1% | -1544.9% | -7433.8% | -4581.6% |
| Non-recurring items [+] | 50.3 | | | | | | |
| Asset impairment | 50.3 | | | | | | |
| Interest expense | 0.7 | 0.0 | 0.0 | 9.9 | 4.5 | | |
| Interest expense | 0.7 | 0.0 | 0.0 | 9.9 | 4.5 | | |
| Other income (expense), net [+] | 0.0 | 1.2 | 0.0 | 0.0 | 0.0 | | |
| Gain (loss) on debt retirement | | 1.2 | | | | | |
| Change in value of contingent liability | 3.2 | | | | | | |
| Other non-operating income | | | 0.0 | 0.0 | 0.0 | | |
| Other | 0.0 | 0.0 | 0.0 | -9.9 | -4.5 | | |
| Pre-tax income | -85.7 | -23.9 | -18.7 | -30.7 | -20.6 | -15.0 | -12.4 |
| Income taxes | 0.2 | 3.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Tax rate | | | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% |
| Net income | -85.5 | -20.7 | -18.7 | -30.7 | -20.6 | -15.0 | -12.4 |
| Net margin | -434.5% | -177.3% | -906.0% | -2830.2% | -1972.0% | -7433.8% | -4581.6% |
| |
| Basic EPS [+] | ($2.30) | ($0.69) | ($1.64) | ($3.89) | ($4.48) | ($1.17) | ($1.53) |
| Growth | 233.3% | -57.8% | -57.9% | -13.2% | 281.4% | -23.4% | |
| Diluted EPS [+] | ($2.30) | ($0.69) | ($1.64) | ($3.89) | ($4.48) | ($1.17) | ($1.53) |
| Growth | 233.3% | -57.8% | -57.9% | -13.2% | 281.4% | -23.4% | |
| |
| Shares outstanding (basic) [+] | 37.2 | 30.0 | 11.4 | 7.9 | 4.6 | 12.7 | 8.1 |
| Growth | 23.9% | 162.5% | 44.8% | 71.4% | -63.8% | 57.9% | |
| Shares outstanding (diluted) [+] | 37.2 | 30.0 | 11.4 | 7.9 | 4.6 | 12.7 | 8.1 |
| Growth | 23.9% | 162.5% | 44.8% | 71.4% | -63.8% | 57.9% | |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |