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 | 21.6 | 26.3 | 23.4 | 22.7 | 18.1 | 18.1 | 18.1 | 20.9 |
| Revenue growth | -18.2% | 12.7% | 3.1% | 25.0% | 0.4% | 0.1% | -13.7% | -16.4% |
| Cost of goods sold | 10.0 | 12.5 | 11.2 | 10.1 | 6.1 | 7.0 | 6.8 | 8.6 |
| Gross profit | 11.5 | 13.9 | 12.2 | 12.5 | 12.0 | 11.0 | 11.2 | 12.3 |
| Gross margin | 53.4% | 52.7% | 52.3% | 55.3% | 66.1% | 61.1% | 62.2% | 58.8% |
| Sales and marketing | 1.0 | 1.4 | 1.0 | 1.2 | 1.3 | 1.3 | 1.1 | 1.2 |
| Research and development | 3.5 | 4.0 | 4.0 | 4.2 | 3.7 | 3.4 | 3.5 | 2.9 |
| General and administrative | 1.6 | 1.6 | 1.9 | 2.1 | 1.6 | 1.7 | 1.4 | 1.8 |
| EBIT | 5.5 | 6.8 | 5.5 | 5.0 | 5.4 | 5.6 | 5.2 | 6.4 |
| EBIT margin | 25.6% | 25.9% | 23.4% | 22.2% | 29.5% | 30.9% | 28.8% | 30.7% |
| Pre-tax income | 5.6 | 6.9 | 5.8 | 5.5 | 5.6 | 6.2 | 5.4 | 6.3 |
| Income taxes | 0.3 | 0.9 | 0.5 | 0.5 | 0.4 | 0.6 | 1.2 | 1.3 |
| Tax rate | 5.9% | 13.6% | 7.9% | 8.3% | 7.9% | 9.6% | 21.8% | 20.4% |
| Net income | 5.3 | 5.9 | 5.4 | 5.1 | 5.1 | 5.6 | 4.2 | 5.0 |
| Net margin | 24.5% | 22.6% | 23.0% | 22.3% | 28.3% | 31.1% | 23.3% | 24.0% |
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| Diluted EPS | $0.26 | $0.29 | $0.27 | $0.25 | $0.26 | $0.29 | $0.22 | $0.26 |
| Shares outstanding (diluted) | 20.4 | 20.3 | 20.1 | 20.0 | 19.6 | 19.6 | 19.3 | 19.3 |
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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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