| Annual · values | 2022 | 2021 | 2020 | 2019 |
|---|---|---|---|---|
| Gross Margin | 42.76% | 50.94% | 52.93% | 41.66% |
| Operating Margin | -68.47% | -34.19% | -35.91% | -72.16% |
| EBITDA Margin | -68.47% | -34.10% | -35.91% | -72.49% |
| Net Margin | -67.36% | -33.69% | -35.60% | -70.33% |
| Current Ratio | — | — | — | — |
| Quick Ratio | — | — | — | — |
| Debt / Equity | -0.00 | -0.01 | -0.01 | — |
| ROE | 7.39% | 3.71% | 3.92% | 6.09% |
| ROA | -11.29% | -4.81% | -39.61% | -54.60% |
| Asset Turnover | 0.17 | 0.14 | 1.11 | 0.78 |
| Book Value / Share | -0.69 | -0.88 | -1.30 | -1.26 |