| In millions, except per share items | Dec-31-21 | Dec-31-20 | Dec-31-19 | Dec-31-18 | Dec-31-17 | Dec-31-16 | Dec-31-15 | Dec-31-14 |
| | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K |
| Revenues: |
| China (and Hong Kong) | 98.8 | 79.3 | 70.8 | | | | | |
| Malaysia | 23.6 | | | | | | | |
| Asia Pacific | 133.2 | 98.5 | 89.0 | 79.3 | 80.5 | | 45.1 | 33.9 |
| China (Including Hong Kong) | | | | 64.3 | 68.0 | | | |
| Other | | | | | | | 33.4 | 29.9 |
| Total revenues [+] | 190.3 | 138.9 | 152.8 | 122.6 | 125.3 | 112.3 | 78.5 | 63.8 |
| Products | | | | | | | | 59.0 |
| Services | | | | | | | | 4.8 |
| Revenue growth [+] | 37.0% | -9.1% | 24.6% | -2.1% | 11.6% | 43.1% | 23.1% | |
| China (and Hong Kong) | 24.6% | 12.0% | | | | | | |
| Asia Pacific | 35.2% | 10.6% | 12.3% | -1.5% | | | 33.0% | |
| China (Including Hong Kong) | | | | -5.4% | | | | |
| Americas | 22.8% | -41.9% | 73.8% | 3.3% | | | -0.8% | |
| Cost of goods sold [+] | 91.3 | 73.8 | 78.8 | 64.4 | 60.4 | 52.8 | 37.6 | 30.1 |
| Cost of product sales | | | | | | | | 29.0 |
| Cost of services | | | | | | | | 1.1 |
| Gross profit | 99.0 | 65.1 | 74.0 | 58.3 | 64.9 | 59.5 | 40.8 | 33.6 |
| Gross margin | 52.0% | 46.9% | 48.4% | 47.5% | 51.8% | 52.9% | 52.0% | 52.8% |
| Selling, general and administrative [+] | 70.4 | 63.6 | 56.8 | 55.2 | 49.7 | 34.8 | 21.7 | 16.9 |
| Sales and marketing | 34.3 | 28.7 | 32.6 | 32.9 | 31.6 | 22.3 | 14.6 | 10.8 |
| General and administrative | 36.1 | 35.0 | 24.1 | 22.3 | 18.2 | 12.4 | 7.1 | 6.1 |
| Research and development | 64.1 | 48.6 | 38.9 | 34.2 | 32.2 | 25.2 | 17.6 | 14.3 |
| Other operating expenses | | | | | | | | 2.0 |
| Adjusted EBITDA | 9.6 | -16.9 | 1.6 | -15.3 | -5.6 | 5.1 | 4.8 | 3.0 |
| Adjusted EBITDA margin | 5.0% | -12.2% | 1.1% | -12.5% | -4.5% | 4.6% | 6.1% | 4.7% |
| Stock-based compensation | 40.5 | 25.7 | 18.5 | 11.3 | 7.4 | 2.8 | 1.2 | 1.2 |
| EBITDA [+] | -30.9 | -42.6 | -16.9 | -26.6 | -13.1 | 2.4 | 3.6 | 1.8 |
| EBITDA growth | -27.3% | 152.6% | -36.6% | 103.4% | -648.9% | -33.4% | 96.1% | |
| EBITDA margin | -16.3% | -30.6% | -11.0% | -21.7% | -10.4% | 2.1% | 4.6% | 2.9% |
| Depreciation and amortization | 4.6 | 4.5 | 4.8 | 4.5 | 4.0 | 2.9 | 2.0 | 1.4 |
| EBIT [+] | -35.5 | -47.1 | -21.7 | -31.1 | -17.0 | -0.5 | 1.6 | 0.5 |
| EBIT growth | -24.5% | 117.3% | -30.4% | 82.9% | 3387.5% | -130.5% | 251.1% | |
| EBIT margin | -18.7% | -33.9% | -14.2% | -25.4% | -13.6% | -0.4% | 2.0% | 0.7% |
| Non-recurring items | 1.7 | | | 3.7 | | | | |
| Interest expense | 2.6 | 5.4 | 1.8 | 1.4 | 0.9 | 1.6 | 1.2 | 0.9 |
| Interest expense | 2.6 | 5.4 | 1.8 | 1.4 | 0.9 | 1.6 | 1.2 | 0.9 |
| Other income (expense), net [+] | -11.3 | 0.6 | 0.7 | 0.8 | 0.5 | 0.6 | 0.7 | 0.8 |
| Gain (loss) on debt retirement | | | -0.6 | | | | | |
| Other | 0.0 | 0.7 | 1.2 | 0.8 | 0.5 | 0.6 | | |
| Pre-tax income | -51.1 | -51.8 | -22.8 | -35.5 | -17.4 | -1.5 | 1.1 | 0.4 |
| Income taxes | 0.2 | 0.1 | 0.2 | -0.2 | -0.1 | 0.2 | 0.2 | 0.1 |
| Tax rate | | | | 0.7% | 0.6% | | 15.6% | 24.4% |
| Net income | -51.3 | -51.9 | -23.0 | -35.2 | -17.3 | -7.9 | -10.4 | -11.0 |
| Net margin | -26.9% | -37.4% | -15.0% | -28.7% | -13.8% | -7.1% | -13.3% | -17.3% |
| |
| Basic EPS [+] | ($2.12) | ($2.28) | ($1.05) | ($1.65) | ($0.84) | ($0.74) | ($2.67) | ($3.30) |
| Growth | -6.8% | 116.3% | -36.3% | 97.2% | 13.8% | -72.5% | -19.0% | |
| Diluted EPS [+] | ($2.12) | ($2.28) | ($1.05) | ($1.65) | ($0.84) | ($0.74) | ($2.67) | ($3.30) |
| Growth | -6.8% | 116.3% | -36.3% | 97.2% | 13.8% | -72.5% | -19.0% | |
| |
| Shares outstanding (basic) [+] | 24.2 | 22.8 | 21.8 | 21.3 | 20.7 | 10.8 | 3.9 | 3.3 |
| Growth | 5.9% | 4.4% | 2.4% | 3.2% | 91.9% | 176.9% | 16.6% | |
| Shares outstanding (diluted) [+] | 24.2 | 22.8 | 21.8 | 21.3 | 20.7 | 10.8 | 3.9 | 3.3 |
| Growth | 5.9% | 4.4% | 2.4% | 3.2% | 91.9% | 176.9% | 16.6% | |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |