| In millions, except per share items | Dec-31-19 | Dec-31-18 | Dec-31-17 | Dec-31-16 | Dec-31-15 | Dec-31-14 | Dec-31-13 | Dec-31-12 |
| | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K |
| Total revenues | 68.0 | 55.2 | 43.8 | 29.1 | 9.6 | 159.5 | 131.8 | 105.2 |
| Revenue growth | 23.3% | 26.0% | 50.4% | 203.0% | -94.0% | 21.0% | 25.3% | 16.5% |
| Cost of goods sold | 13.6 | 6.8 | 3.4 | 2.2 | 0.9 | 101.7 | 77.9 | 61.3 |
| Gross profit | 54.4 | 48.3 | 40.4 | 26.9 | 8.7 | 57.8 | 53.9 | 43.9 |
| Gross margin | 80.0% | 87.6% | 92.1% | 92.4% | 90.2% | 36.2% | 40.9% | 41.7% |
| Selling, general and administrative [+] | 54.7 | 45.6 | 48.3 | 38.4 | 30.7 | 57.3 | 49.4 | 45.9 |
| Sales and marketing | 25.5 | 25.4 | 28.1 | 22.3 | 13.8 | 42.6 | 38.5 | 35.0 |
| General and administrative | 29.2 | 20.2 | 20.2 | 16.1 | 16.9 | 14.7 | 11.0 | 10.8 |
| Research and development | 11.1 | 9.9 | 8.6 | 7.0 | 4.8 | 17.0 | 11.6 | 8.1 |
| EBITDA [+] | -11.4 | -7.2 | -13.3 | -13.0 | -20.7 | -16.5 | -7.2 | -10.1 |
| EBITDA growth | 58.4% | -45.9% | 2.6% | -37.1% | 25.1% | 129.0% | -28.9% | -26.6% |
| EBITDA margin | -16.8% | -13.1% | -30.4% | -44.6% | -214.9% | -10.4% | -5.5% | -9.6% |
| Depreciation | 0.7 | 3.1 | 7.4 | 9.2 | 8.2 | 1.8 | 1.3 | 1.1 |
| EBITA | -12.1 | -10.3 | -20.7 | -22.2 | -28.8 | -18.4 | -8.5 | -11.2 |
| EBITA margin | -17.8% | -18.7% | -47.3% | -76.1% | -300.0% | -11.5% | -6.5% | -10.7% |
| Amortization of intangibles | 0.8 | 0.6 | 0.4 | | 0.2 | 4.8 | 5.0 | 4.9 |
| EBIT [+] | -12.9 | -10.9 | -21.1 | -22.2 | -29.0 | -23.2 | -13.5 | -16.1 |
| EBIT growth | 18.3% | -48.2% | -4.9% | -23.5% | 25.0% | 71.5% | -16.2% | -18.9% |
| EBIT margin | -19.0% | -19.8% | -48.2% | -76.1% | -301.7% | -14.5% | -10.3% | -15.3% |
| Non-recurring items [+] | | 0.2 | 0.1 | 1.3 | | | | |
| Unusual expense | | 0.1 | 0.1 | 1.3 | | | | |
| Interest expense | | 0.1 | 0.1 | 0.1 | 0.0 | 0.0 | 0.1 | 0.2 |
| Interest expense | | 0.1 | 0.1 | 0.1 | 0.0 | 0.0 | 0.1 | 0.2 |
| Other income (expense), net | 4.4 | 2.0 | 1.3 | -0.1 | 0.0 | 0.0 | 0.3 | 0.0 |
| Pre-tax income | -8.5 | -9.2 | -20.0 | -23.7 | -29.0 | -23.1 | -13.3 | -16.4 |
| Income taxes | 0.5 | 0.0 | -0.3 | 0.2 | 0.2 | 0.3 | 0.2 | 0.3 |
| Tax rate | | 0.1% | 1.7% | | | | | |
| Earnings from continuing ops | -9.0 | -9.2 | -19.7 | -23.9 | -15.1 | -23.5 | -29.4 | -16.6 |
| Earnings from discontinued ops | | -0.1 | 14.6 | | -14.1 | | | |
| Net income | -9.0 | -9.4 | 2.2 | -20.9 | -29.2 | -23.5 | -29.4 | -16.6 |
| Net margin | -13.2% | -17.0% | 5.1% | -71.9% | -303.6% | -14.7% | -22.3% | -15.8% |
| |
| Basic EPS [+] | ($0.20) | ($0.18) | ($0.39) | ($0.46) | ($0.29) | ($0.46) | ($1.02) | ($2.22) |
| Growth | 10.1% | -54.3% | -14.5% | 55.9% | -36.9% | -54.6% | -54.0% | -26.6% |
| Diluted EPS [+] | ($0.20) | ($0.18) | ($0.39) | ($0.46) | ($0.29) | ($0.46) | ($1.02) | ($2.22) |
| Growth | 10.1% | -54.3% | -14.5% | 55.9% | -36.9% | -54.6% | -54.0% | -26.6% |
| |
| Shares outstanding (basic) [+] | 45.9 | 51.8 | 50.5 | 52.3 | 51.7 | 50.6 | 28.8 | 7.5 |
| Growth | -11.4% | 2.5% | -3.4% | 1.2% | 2.1% | 76.1% | 283.5% | 7.9% |
| Shares outstanding (diluted) [+] | 45.9 | 51.8 | 50.5 | 52.3 | 51.7 | 50.6 | 28.8 | 7.5 |
| Growth | -11.4% | 2.5% | -3.4% | 1.2% | 2.1% | 76.1% | 283.5% | 7.9% |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |