| In millions, except per share items | Dec-31-20 | Dec-31-19 | Dec-31-18 | Dec-31-17 | Dec-31-16 | Dec-31-15 | Dec-31-14 | Dec-31-13 |
| | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K |
| Revenues: |
| Product leases and royalties | | | | 14.8 | 12.4 | 10.9 | 9.8 | 8.1 |
| Product sales and service | | | | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 |
| Total revenues [+] | 10.2 | 21.3 | 18.6 | 14.9 | 12.5 | 11.0 | 9.8 | 8.2 |
| Royalties | | | | 14.8 | 12.4 | 10.9 | 9.8 | 8.1 |
| Services | | | | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 |
| Revenue growth [+] | -52.0% | 14.8% | 24.9% | 19.3% | 13.7% | 11.2% | 19.8% | 13.8% |
| Product leases and royalties | | | | 19.4% | 13.9% | 11.0% | 21.8% | |
| Product sales and service | | | | -30.9% | -61.5% | 271.4% | -93.1% | |
| Cost of goods sold | 0.1 | 0.2 | 0.1 | 0.2 | 0.1 | 0.1 | 0.1 | 0.1 |
| Gross profit | 10.2 | 21.1 | 18.4 | 14.6 | 12.3 | 10.9 | 9.8 | 8.1 |
| Gross margin | 99.3% | 98.9% | 99.2% | 98.5% | 98.9% | 99.1% | 99.2% | 98.7% |
| Selling, general and administrative | 9.0 | 13.3 | 11.0 | 9.1 | 6.7 | 7.1 | 5.5 | 4.2 |
| Research and development | 0.5 | 0.8 | 0.9 | 0.5 | 0.4 | 0.5 | 0.5 | 0.5 |
| Other operating expenses | 0.7 | 0.9 | 0.8 | 0.8 | -0.6 | 0.1 | 0.3 | 0.0 |
| EBITDA [+] | 0.0 | 6.0 | 5.8 | 4.3 | 5.8 | 3.2 | 3.4 | 3.4 |
| EBITDA growth | -100.5% | 4.5% | 34.7% | -26.2% | 82.9% | -7.8% | 0.1% | 24.4% |
| EBITDA margin | -0.3% | 28.2% | 31.0% | 28.7% | 46.5% | 28.9% | 34.9% | 41.7% |
| Depreciation | 0.3 | 0.4 | 0.3 | 0.3 | 0.2 | 0.2 | 0.1 | 0.0 |
| EBITA | -0.3 | 5.6 | 5.4 | 4.0 | 5.6 | 3.0 | 3.3 | 3.4 |
| EBITA margin | -3.4% | 26.2% | 29.2% | 26.9% | 44.9% | 27.2% | 33.7% | 41.2% |
| Amortization of intangibles | 1.9 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.6 | 1.6 |
| EBIT [+] | -2.3 | 4.1 | 3.9 | 2.5 | 4.1 | 1.5 | 1.8 | 1.8 |
| EBIT growth | -155.4% | 4.0% | 56.3% | -38.7% | 174.6% | -15.4% | -1.9% | 57.2% |
| EBIT margin | -22.0% | 19.1% | 21.1% | 16.9% | 32.8% | 13.6% | 17.9% | 21.8% |
| Non-recurring items [+] | | | | | 0.7 | | 0.5 | 0.2 |
| Asset impairment | | | | | | | 0.5 | 0.2 |
| Legal settlement | | | | | 0.7 | | | |
| Interest expense, net [+] | 0.7 | 0.6 | 1.0 | 1.7 | 1.2 | 1.0 | 1.1 | 1.0 |
| Interest expense | 0.7 | 0.7 | 1.0 | 1.7 | 1.2 | 1.0 | 1.1 | 1.0 |
| Interest income | 0.0 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Other income (expense), net [+] | 0.1 | -0.5 | -1.5 | -0.3 | 0.4 | 0.2 | | |
| Gain (loss) on debt retirement | | | -1.3 | | -0.5 | | | |
| Gain (loss) on foreign currency transactions | 0.0 | 0.0 | -0.1 | 0.2 | 0.3 | 0.2 | | |
| Change in fair value of warrants | | | | -0.4 | -0.1 | | | |
| Other | | | | | | | -1.1 | -1.0 |
| Pre-tax income | -2.8 | 3.0 | 1.4 | 0.6 | 2.5 | 0.7 | 0.2 | 0.6 |
| Income taxes | -0.6 | 0.0 | 0.2 | 0.6 | 0.8 | 0.2 | 0.1 | 0.1 |
| Tax rate | 21.5% | 0.3% | 13.9% | 102.1% | 30.4% | 29.2% | 86.5% | 11.0% |
| Net income | -2.2 | 2.9 | 1.2 | 0.0 | 1.8 | 0.5 | 0.0 | 0.6 |
| Net margin | -21.6% | 13.8% | 6.6% | -0.1% | 14.2% | 4.3% | 0.2% | 6.9% |
| |
| Basic EPS [+] | ($0.12) | $0.11 | $0.03 | $0.00 | $0.04 | $0.01 | $0.00 | $0.01 |
| Growth | -211.4% | 266.8% | -10299.9% | -100.6% | 268.6% | 2028.7% | -96.1% | -9.4% |
| Diluted EPS [+] | ($0.12) | $0.11 | $0.03 | $0.00 | $0.04 | $0.01 | $0.00 | $0.01 |
| Growth | -211.4% | 266.8% | -10299.9% | -100.6% | 268.6% | 2028.7% | -96.1% | -9.4% |
| |
| Shares outstanding (basic) [+] | 18.3 | 27.1 | 41.2 | 39.4 | 39.6 | 39.1 | 38.5 | 38.3 |
| Growth | -32.6% | -34.1% | 4.5% | -0.4% | 1.2% | 1.6% | 0.5% | 0.0% |
| Shares outstanding (diluted) [+] | 18.3 | 27.1 | 41.2 | 39.4 | 39.6 | 39.1 | 38.5 | 38.3 |
| Growth | -32.6% | -34.1% | 4.5% | -0.4% | 1.2% | 1.6% | 0.5% | 0.0% |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |