Financial Summary (All financials)
| 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 |
| Revenues | 0.4 | 6.0 | 4.4 | 4.9 | 6.5 | 7.8 | 5.9 | 3.7 |
| Revenue growth | -94.1% | 35.8% | -9.9% | -25.5% | -15.6% | 32.1% | 56.7% | -5.2% |
| Cost of goods sold | 3.6 | 3.1 | 2.2 | 2.1 | 3.7 | 4.7 | 5.1 | 3.5 |
| Gross profit | -3.3 | 2.9 | 2.2 | 2.7 | 2.8 | 3.1 | 0.7 | 0.2 |
| Gross margin | -924.4% | 48.7% | 49.8% | 55.9% | 43.2% | 40.0% | 12.5% | 5.7% |
| Sales and marketing | 9.8 | 7.0 | 5.8 | 6.2 | 7.9 | 11.4 | 14.0 | 13.1 |
| Research and development | 4.0 | 2.9 | 3.5 | 5.3 | 7.3 | 6.0 | 9.0 | 5.9 |
| General and administrative | 7.1 | 5.6 | 5.0 | 5.3 | 6.8 | 7.7 | 8.2 | 6.4 |
| EBIT | -19.1 | -12.7 | -12.0 | -14.0 | -19.2 | -22.0 | -30.4 | -25.2 |
| EBIT margin | -5426.7% | -212.1% | -273.3% | -288.3% | -293.6% | -283.7% | -518.7% | -672.0% |
| Pre-tax income | -19.1 | -12.6 | -12.9 | -15.5 | -21.7 | -24.6 | -32.5 | -25.4 |
| Income taxes | 0.5 | 0.1 | 0.1 | 0.0 | 0.0 | 0.1 | 0.0 | 0.1 |
| Tax rate | | | | | 0.0% | | | |
| Net income | -19.6 | -12.7 | -13.0 | -15.6 | -21.7 | -24.7 | -32.5 | -25.4 |
| Net margin | -5568.2% | -213.5% | -295.4% | -319.1% | -331.2% | -318.8% | -553.8% | -678.5% |
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| Diluted EPS | ($0.31) | ($0.27) | ($0.82) | ($2.70) | ($14.72) | ($30.57) | ($2.47) | ($2.10) |
| Shares outstanding (diluted) | 62.4 | 47.9 | 15.8 | 5.8 | 1.5 | 0.8 | 13.2 | 12.1 |
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| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |
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