| 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 | 138.6 | 127.4 | 112.3 | 106.7 | 83.9 | 60.4 | 41.1 | 27.3 |
| Revenue growth | 8.8% | 13.4% | 5.2% | 27.1% | 38.9% | 47.0% | 50.4% | 62.5% |
| Cost of goods sold | 24.1 | 22.9 | 21.6 | 17.3 | 12.9 | 9.3 | 6.5 | 4.8 |
| Gross profit | 114.4 | 104.4 | 90.7 | 89.4 | 71.0 | 51.1 | 34.6 | 22.5 |
| Gross margin | 82.6% | 82.0% | 80.8% | 83.7% | 84.6% | 84.6% | 84.3% | 82.3% |
| Selling, general and administrative [+] | 117.0 | 105.7 | 96.1 | 103.3 | 79.7 | 52.4 | 38.6 | 28.5 |
| Sales and marketing | 80.2 | 73.3 | 69.7 | 72.0 | 56.6 | 37.6 | 28.4 | 20.1 |
| General and administrative | 36.8 | 32.3 | 26.4 | 31.3 | 23.1 | 14.7 | 10.1 | 8.4 |
| Research and development | 27.2 | 24.2 | 17.8 | 17.5 | 11.8 | 6.7 | 4.2 | 3.2 |
| EBITDA [+] | -26.6 | -22.5 | -21.5 | -30.4 | -19.6 | -7.4 | -7.7 | -9.0 |
| EBITDA growth | 18.4% | 4.5% | -29.2% | 54.5% | 166.1% | -4.0% | -14.7% | -6.1% |
| EBITDA margin | -19.2% | -17.6% | -19.1% | -28.4% | -23.4% | -12.2% | -18.7% | -33.0% |
| Depreciation | 2.8 | 2.7 | 1.5 | 0.9 | 0.8 | 0.5 | 0.4 | 0.2 |
| EBITA | -29.4 | -25.2 | -23.0 | -31.3 | -20.4 | -7.9 | -8.1 | -9.2 |
| EBITA margin | -21.2% | -19.8% | -20.5% | -29.3% | -24.3% | -13.0% | -19.6% | -33.7% |
| Amortization of intangibles | 0.3 | 0.2 | 0.2 | 0.1 | 0.1 | 0.1 | 0.1 | 0.0 |
| EBIT [+] | -29.7 | -25.4 | -23.2 | -31.4 | -20.5 | -8.0 | -8.1 | -9.3 |
| EBIT growth | 16.9% | 9.6% | -26.2% | 53.2% | 157.8% | -2.2% | -12.3% | -5.4% |
| EBIT margin | -21.4% | -20.0% | -20.6% | -29.4% | -24.4% | -13.2% | -19.8% | -33.9% |
| Interest expense, net [+] | 0.1 | 1.3 | 0.4 | -2.3 | -0.3 | 2.2 | 5.4 | 4.0 |
| Interest expense | 0.6 | 1.4 | 1.1 | 0.0 | 1.2 | 2.2 | 5.4 | 4.0 |
| Interest income | 0.6 | 0.1 | 0.6 | 2.4 | 1.5 | | | |
| Other income (expense), net [+] | 0.8 | -0.3 | -0.2 | -0.1 | -2.2 | -0.3 | -0.9 | -0.1 |
| Amortization of financing costs and debt discount | | | | | | -0.2 | -0.9 | -0.1 |
| Gain (loss) on debt retirement | | | | | -2.2 | | -0.8 | |
| Gain (loss) on derivative instruments | 1.0 | 0.0 | -0.1 | | | | | |
| Other non-ooperating expenses | | | | -0.1 | 0.0 | 0.0 | 0.0 | |
| Other | -0.2 | -0.3 | 0.0 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 |
| Pre-tax income | -28.9 | -27.0 | -23.8 | -29.1 | -22.4 | -10.4 | -14.4 | -13.4 |
| 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 | -28.9 | -27.0 | -23.8 | -29.1 | -22.4 | -10.4 | -14.4 | -13.4 |
| Net margin | -20.9% | -21.2% | -21.2% | -27.3% | -26.7% | -17.3% | -35.1% | -48.9% |
| |
| Basic EPS [+] | ($0.69) | ($0.65) | ($0.60) | ($0.74) | ($0.60) | ($0.31) | ($0.47) | ($0.51) |
| Growth | 5.1% | 10.0% | -19.9% | 23.1% | 92.5% | -33.2% | -8.4% | -48.7% |
| Diluted EPS [+] | ($0.69) | ($0.65) | ($0.60) | ($0.74) | ($0.60) | ($0.31) | ($0.47) | ($0.51) |
| Growth | 5.1% | 10.0% | -19.9% | 23.1% | 92.5% | -33.2% | -8.4% | -48.7% |
| |
| |
| Shares outstanding (basic) [+] | 42.1 | 41.2 | 40.0 | 39.2 | 37.1 | 33.3 | 30.7 | 26.1 |
| Growth | 2.1% | 3.1% | 1.9% | 5.7% | 11.4% | 8.5% | 17.7% | 47.1% |
| Shares outstanding (diluted) [+] | 42.1 | 41.2 | 40.0 | 39.2 | 37.1 | 33.3 | 30.7 | 26.1 |
| Growth | 2.1% | 3.1% | 1.9% | 5.7% | 11.4% | 8.5% | 17.7% | 47.1% |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |