| 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 | 29.9 | 24.5 | 20.5 | 10.8 | 5.7 | 2.7 | 1.0 | 0.3 |
| Revenue growth | 22.1% | 19.7% | 90.2% | 90.2% | 106.6% | 175.5% | 193.4% | -35.2% |
| Cost of goods sold | 7.2 | 6.1 | 6.0 | 4.4 | 2.6 | 1.4 | 1.2 | 1.2 |
| Gross profit | 22.7 | 18.4 | 14.5 | 6.4 | 3.0 | 1.4 | -0.2 | -0.9 |
| Gross margin | 75.9% | 75.0% | 70.9% | 59.1% | 53.6% | 49.5% | -23.3% | -261.4% |
| Selling, general and administrative [+] | 27.0 | 28.6 | 20.4 | 13.5 | 7.4 | 5.7 | 3.3 | 5.5 |
| Sales and marketing | 13.7 | 14.6 | 8.5 | 5.7 | 2.5 | 1.4 | 0.7 | 0.9 |
| General and administrative | 13.4 | 14.0 | 11.9 | 7.8 | 5.0 | 4.3 | 2.6 | 4.6 |
| Research and development | 6.1 | 5.3 | 1.2 | 0.6 | 0.2 | 0.2 | 0.3 | 0.4 |
| Other operating expenses | | | | | | | 0.1 | |
| EBITDA [+] | -8.3 | -14.2 | -6.2 | -7.1 | -4.0 | -4.0 | -3.9 | -6.8 |
| EBITDA growth | -41.4% | 130.0% | -13.0% | 76.4% | 1.1% | 1.8% | -42.4% | -26.9% |
| EBITDA margin | -27.8% | -57.9% | -30.1% | -65.9% | -71.1% | -145.3% | -393.1% | -2000.7% |
| Depreciation | 0.1 | 0.1 | 0.1 | 0.1 | 0.0 | 0.5 | 0.6 | 0.5 |
| EBITA | -8.4 | -14.3 | -6.3 | -7.2 | -4.1 | -4.5 | -4.5 | -7.3 |
| EBITA margin | -28.1% | -58.3% | -30.6% | -66.5% | -71.7% | -164.9% | -450.4% | -2150.4% |
| Amortization of intangibles | 2.0 | 1.2 | 0.9 | 0.7 | 0.5 | | | 0.0 |
| EBIT [+] | -10.4 | -15.5 | -7.1 | -7.8 | -4.6 | -4.5 | -4.5 | -7.3 |
| EBIT growth | -32.8% | 117.5% | -8.8% | 70.9% | 1.2% | 0.9% | -38.8% | -24.6% |
| EBIT margin | -34.9% | -63.3% | -34.8% | -72.6% | -80.8% | -164.9% | -450.4% | -2158.4% |
| Interest expense | 0.0 | 0.0 | 0.1 | 0.1 | 0.2 | 0.9 | 0.7 | 0.1 |
| Interest expense | 0.0 | 0.0 | 0.1 | 0.1 | 0.2 | 0.9 | 0.7 | 0.1 |
| Other income (expense), net [+] | | 1.3 | 0.1 | 0.1 | -0.3 | -0.2 | -4.4 | 0.2 |
| Impairment of investments | | | | | | | 0.1 | |
| Gain (loss) on debt retirement | | 1.3 | | | -0.3 | 0.0 | -1.7 | |
| Unrealized gain/loss on derivatives | | | 0.1 | 0.1 | | -0.2 | -2.8 | |
| Change in fair value of warrants | | | 0.1 | 0.1 | | | | |
| Other | | | | 0.0 | | | 0.0 | 0.0 |
| Pre-tax income | -10.4 | -14.2 | -7.2 | -7.8 | -5.0 | -5.6 | -9.6 | -7.2 |
| 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 | -10.4 | -14.3 | -7.2 | -7.8 | -5.1 | -5.7 | -9.7 | -7.9 |
| Net margin | -34.9% | -58.3% | -35.2% | -72.8% | -89.6% | -207.5% | -971.4% | -2320.3% |
| |
| Basic EPS [+] | ($0.91) | ($1.29) | ($0.77) | ($0.97) | ($0.74) | ($1.21) | ($0.10) | ($0.10) |
| Growth | -29.7% | 67.1% | -19.9% | 31.3% | -39.2% | 1139.9% | -0.1% | -37.9% |
| Diluted EPS [+] | ($0.91) | ($1.29) | ($0.77) | ($0.97) | ($0.74) | ($1.21) | ($0.10) | ($0.10) |
| Growth | -29.7% | 67.1% | -19.9% | 31.3% | -39.2% | 1139.9% | -0.1% | -37.9% |
| |
| Shares outstanding (basic) [+] | 11.5 | 11.0 | 9.3 | 8.1 | 6.9 | 4.7 | 98.9 | 80.4 |
| Growth | 4.0% | 18.5% | 14.9% | 17.6% | 46.8% | -95.3% | 22.9% | 29.8% |
| Shares outstanding (diluted) [+] | 11.5 | 11.0 | 9.3 | 8.1 | 6.9 | 4.7 | 98.9 | 80.4 |
| Growth | 4.0% | 18.5% | 14.9% | 17.6% | 46.8% | -95.3% | 22.9% | 29.8% |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |