| 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: |
| United States | 203.2 | 223.8 | 173.1 | 192.5 | 151.7 | 140.9 | | 67.7 |
| International | 79.6 | 70.2 | 51.9 | 44.5 | 29.6 | 18.4 | | 4.0 |
| Total revenues | 282.9 | 294.0 | 225.0 | 237.0 | 181.3 | 159.3 | 114.4 | 71.7 |
| Revenue growth [+] | -3.8% | 30.7% | -5.1% | 30.7% | 13.8% | 39.2% | 59.5% | 57.3% |
| United States | -9.2% | 29.3% | -10.1% | 26.9% | 7.6% | | | 57.7% |
| International | 13.4% | 35.4% | 16.5% | 50.4% | 61.3% | | | 50.7% |
| Cost of goods sold | 69.0 | 66.6 | 91.7 | 38.6 | 25.1 | 21.1 | 16.2 | 13.0 |
| Gross profit | 213.9 | 227.4 | 133.2 | 198.4 | 156.2 | 138.2 | 98.2 | 58.7 |
| Gross margin | 75.6% | 77.3% | 59.2% | 83.7% | 86.2% | 86.8% | 85.9% | 81.9% |
| Selling, general and administrative | 192.9 | 179.3 | 171.4 | 176.6 | 119.5 | 96.3 | 64.8 | 44.0 |
| Research and development | 123.3 | 101.0 | 85.4 | 68.3 | 49.7 | 38.9 | 29.2 | 25.0 |
| Other operating expenses | | | | | | | | 25.7 |
| EBITDA [+] | -70.7 | -23.2 | -94.2 | -40.2 | -6.7 | 8.5 | 9.0 | -31.7 |
| EBITDA growth | 204.8% | -75.4% | 134.0% | 497.2% | -179.1% | -4.9% | -128.3% | 254.7% |
| EBITDA margin | -25.0% | -7.9% | -41.9% | -17.0% | -3.7% | 5.4% | 7.8% | -44.2% |
| Depreciation | 6.7 | 4.7 | 4.5 | 6.3 | 6.3 | 5.5 | 4.7 | 4.3 |
| EBITA | -77.4 | -28.0 | -98.6 | -46.5 | -13.0 | 3.0 | 4.2 | -36.0 |
| EBITA margin | -27.4% | -9.5% | -43.8% | -19.6% | -7.2% | 1.9% | 3.7% | -50.2% |
| Amortization of intangibles | 24.9 | 24.9 | 24.9 | | | | | |
| EBIT [+] | -102.3 | -52.9 | -123.6 | -46.5 | -13.0 | 3.0 | 4.2 | -36.0 |
| EBIT growth | 93.5% | -57.2% | 165.4% | 258.0% | -527.8% | -28.3% | -111.8% | 173.2% |
| EBIT margin | -36.2% | -18.0% | -54.9% | -19.6% | -7.2% | 1.9% | 3.7% | -50.2% |
| Non-recurring items [+] | -20.0 | -20.0 | | 3.7 | | 5.3 | | -25.7 |
| Unusual expense | | | | | | | | -25.7 |
| Legal settlement | -30.0 | -30.0 | | | | | | |
| In-process research & development | 10.0 | 10.0 | | 3.7 | | 5.3 | | |
| Interest expense, net [+] | 13.7 | 13.4 | 14.1 | 2.6 | -2.3 | -1.4 | -0.9 | -0.1 |
| Interest expense | 13.7 | 13.4 | 14.1 | 2.6 | | | | |
| Interest income | | | | | 2.3 | 1.4 | 0.9 | 0.1 |
| Other income (expense), net [+] | -2.4 | -3.0 | 5.4 | 2.8 | -1.6 | 0.9 | -0.6 | -28.1 |
| Gain (loss) on debt retirement | | | | | | | | -0.2 |
| Change in fair value of warrants | | | | | | | | -1.1 |
| Other | 4.8 | 4.3 | -3.0 | 0.3 | | 0.9 | -0.6 | |
| Pre-tax income | -98.4 | -49.3 | -132.3 | -50.0 | -12.4 | 0.0 | 4.6 | -38.3 |
| Income taxes | 0.8 | 0.3 | -12.0 | -65.5 | 0.6 | 0.1 | 0.0 | 0.0 |
| Tax rate | | | 9.0% | 130.8% | | 9300.0% | 0.9% | |
| Minority interest | | | | | | | | -1.1 |
| Net income | -99.2 | -49.6 | -120.3 | 15.4 | -13.0 | -0.1 | 4.5 | -37.2 |
| Net margin | -35.1% | -16.9% | -53.5% | 6.5% | -7.1% | -0.1% | 4.0% | -51.9% |
| |
| Basic EPS [+] | ($2.09) | ($1.07) | ($2.70) | $0.41 | ($0.37) | $0.00 | $0.14 | ($2.13) |
| Growth | 95.7% | -60.5% | -755.0% | -212.6% | 13604.1% | -101.9% | -106.4% | -59.7% |
| Diluted EPS [+] | ($2.09) | ($1.07) | ($2.70) | $0.37 | ($0.37) | $0.00 | $0.12 | ($2.13) |
| Growth | 95.7% | -60.5% | -821.5% | -202.2% | 13604.1% | -102.2% | -105.8% | -59.7% |
| |
| Shares outstanding (basic) [+] | 47.4 | 46.4 | 44.5 | 37.4 | 35.3 | 34.4 | 32.9 | 17.5 |
| Growth | 2.2% | 4.3% | 19.1% | 5.8% | 2.7% | 4.4% | 88.4% | 661.7% |
| Shares outstanding (diluted) [+] | 47.4 | 46.4 | 44.5 | 41.1 | 35.3 | 34.4 | 36.5 | 17.5 |
| Growth | 2.2% | 4.3% | 8.1% | 16.5% | 2.7% | -5.7% | 108.6% | 661.7% |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |