| 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 |
| Total revenues [+] | 13.2 | 13.2 | 14.7 | 14.6 | 14.5 | 14.1 | 15.2 | 18.1 |
| Royalties | | | | | | | | 10.2 |
| Products | | | | | | | | 7.9 |
| Revenue growth | 0.5% | -10.6% | 1.2% | 0.3% | 3.4% | -7.6% | -16.1% | -8.6% |
| Cost of goods sold | 3.0 | 2.8 | 3.1 | 2.8 | 2.9 | 4.0 | 3.5 | 4.6 |
| Gross profit | 10.2 | 10.4 | 11.6 | 11.8 | 11.6 | 10.0 | 11.7 | 13.6 |
| Gross margin | 77.3% | 78.9% | 78.8% | 80.9% | 79.9% | 71.5% | 77.1% | 74.7% |
| Selling, general and administrative [+] | 2.1 | 2.5 | 2.7 | 2.8 | 2.5 | 2.4 | 3.2 | 9.4 |
| Sales and marketing | 2.1 | 2.5 | 2.7 | 2.8 | 2.5 | 2.4 | 3.2 | 5.1 |
| General and administrative | | | | | | | | 4.3 |
| Research and development | | | | | | | | 4.9 |
| Other operating expenses | 5.8 | 7.2 | 4.0 | 4.2 | 4.1 | 6.9 | 8.1 | 0.8 |
| EBITDA [+] | | | | | | | | -0.6 |
| EBITDA growth | 277.5% | -87.9% | 3.7% | -5.3% | 634.6% | 80.8% | -165.2% | -90.9% |
| EBITDA margin | 17.1% | 4.6% | 33.7% | 32.8% | 34.7% | 4.9% | 2.5% | -3.2% |
| Depreciation | -0.8 | -0.7 | -0.6 | -0.5 | -0.4 | -0.1 | -0.5 | 0.4 |
| EBITA | 3.0 | 1.3 | 5.6 | 5.3 | 5.4 | 0.8 | 0.8 | -1.0 |
| EBITA margin | 23.0% | 10.1% | 37.7% | 36.5% | 37.2% | 5.5% | 5.5% | -5.5% |
| Amortization of intangibles | 0.8 | 0.7 | 0.6 | 0.5 | 0.4 | 0.1 | 0.5 | 0.5 |
| EBIT [+] | 2.3 | 0.6 | 5.0 | 4.8 | 5.0 | 0.7 | 0.4 | -1.5 |
| EBIT growth | 277.5% | -87.9% | 3.7% | -5.3% | 634.6% | 80.8% | -125.6% | -80.1% |
| EBIT margin | 17.1% | 4.6% | 33.7% | 32.8% | 34.7% | 4.9% | 2.5% | -8.2% |
| Non-recurring items [+] | | | 0.0 | 0.1 | | | | 0.8 |
| Restructuring charges | | | 0.0 | 0.1 | | | | 0.8 |
| Interest expense | | 0.0 | | | | | | |
| Other income (expense), net [+] | 0.9 | 0.0 | -3.1 | -2.8 | -2.9 | 0.0 | 0.0 | 0.1 |
| Gain (loss) on investments | | | | | | | | 0.2 |
| Other | 0.9 | | | | | | | 0.1 |
| Pre-tax income | 3.2 | 0.6 | 1.8 | 1.9 | 2.2 | 0.7 | 0.4 | -2.2 |
| Income taxes | 0.9 | -0.5 | -5.2 | 0.0 | 0.1 | 0.0 | 0.0 | -0.2 |
| Tax rate | 28.3% | | | | 3.9% | | 4.5% | 7.0% |
| Earnings from continuing ops | 2.3 | 1.1 | 7.0 | 1.9 | 2.1 | 0.7 | 0.4 | 5.6 |
| Earnings from discontinued ops | | | | | | | -3.5 | -7.7 |
| Net income | 2.3 | 1.1 | 7.0 | 1.9 | 2.1 | 0.7 | -3.1 | -2.0 |
| Net margin | 17.3% | 8.1% | 47.5% | 12.8% | 14.3% | 4.9% | -20.4% | -11.2% |
| |
| Basic EPS [+] | $0.43 | $0.20 | $1.33 | $0.36 | $0.41 | $0.14 | $0.08 | $1.13 |
| Growth | 114.0% | -85.0% | 272.8% | -11.7% | 197.9% | 78.0% | -93.2% | -180.5% |
| Diluted EPS [+] | $0.43 | $0.20 | $1.33 | $0.36 | $0.40 | $0.14 | $0.08 | $1.13 |
| Growth | 114.2% | -84.9% | 272.3% | -11.9% | 197.7% | 78.1% | -93.2% | -180.5% |
| |
| |
| Shares outstanding (basic) [+] | 5.3 | 5.3 | 5.2 | 5.2 | 5.1 | 5.1 | 5.0 | 5.0 |
| Growth | 0.9% | 1.0% | 0.8% | 1.5% | 1.5% | 0.8% | 0.6% | 0.6% |
| Shares outstanding (diluted) [+] | 5.4 | 5.3 | 5.3 | 5.2 | 5.1 | 5.1 | 5.0 | 5.0 |
| Growth | 0.8% | 0.9% | 0.9% | 1.7% | 1.6% | 0.7% | 0.7% | 0.6% |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |