Overview Financials News + Filings Key Docs Charts Ownership Insiders
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| In millions, except per share items | Dec-31-18 | Dec-31-17 | Dec-31-16 | Dec-31-15 | Dec-31-14 | Dec-31-13 | Dec-31-12 | Dec-31-11 |
| | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K |
| Net sales | 22.1 | 19.8 | 19.2 | 20.3 | 19.3 | 18.3 | 18.8 | 15.5 |
| Net sales growth | 11.7% | 3.1% | -5.6% | 5.1% | 5.4% | -2.2% | 20.8% | 7.9% |
| Cost of goods sold | 9.0 | 8.0 | 8.2 | 8.2 | 8.4 | 7.6 | 8.3 | 6.3 |
| Gross profit | 13.1 | 11.8 | 11.0 | 12.1 | 10.9 | 10.7 | 10.4 | 9.2 |
| Gross margin | 59.3% | 59.5% | 57.5% | 59.7% | 56.6% | 58.4% | 55.7% | 59.2% |
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| Operating expenses | | | | | | | | |
| Research and development | 3.2 | 3.1 | 3.0 | 2.4 | 2.3 | 2.2 | 2.2 | 2.2 |
| Selling and marketing | 5.7 | 5.2 | 4.9 | 5.0 | 4.9 | 4.1 | 4.1 | 3.5 |
| General and administrative | 3.9 | 3.3 | 3.1 | 3.1 | 3.0 | 2.2 | 2.2 | 2.1 |
| Total operating expenses | 12.8 | 12.1 | 11.0 | 10.5 | 10.2 | 8.5 | 8.5 | 7.8 |
| Income from operations | 0.3 | -0.3 | 0.1 | 1.6 | 0.8 | 2.2 | 2.0 | 1.4 |
| Operating margin | 1.6% | -1.7% | 0.4% | 8.0% | 4.0% | 12.1% | 10.4% | 9.3% |
| Interest income | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Income before income taxes | 0.3 | -0.3 | 0.1 | 1.6 | 0.8 | 2.2 | 2.0 | 1.4 |
| Income tax provision | 0.2 | 0.0 | 0.2 | 0.7 | 0.5 | 0.9 | 0.8 | 0.6 |
| Net income | 0.2 | -0.4 | -0.1 | 0.9 | 0.3 | 1.4 | 1.2 | 0.9 |
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| Net income available to common shareholders per common share: | | | | | | | | |
| Basic | $0.02 | ($0.04) | ($0.01) | $0.09 | $0.03 | $0.13 | $0.12 | $0.09 |
| Diluted | $0.02 | ($0.04) | ($0.01) | $0.09 | $0.03 | $0.13 | $0.12 | $0.09 |
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| Weighted average number of common shares used in per share computations: | | | | | | | | |
| Basic | 10.2 | 10.2 | 10.1 | 10.1 | 10.1 | 10.1 | 9.9 | 9.9 |
| Diluted | 10.7 | 10.2 | 10.1 | 10.2 | 10.2 | 10.2 | 10.1 | 10.1 |
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