| In millions, except per share items | Dec-31-17 | Dec-31-16 | Dec-31-15 | Dec-31-14 | Dec-31-13 | Dec-31-12 | Dec-31-11 | Dec-31-10 |
| | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K |
| Revenues: |
| Litigation and Enforcement | | | | 2.1 | | | | |
| Other | | | | 0.9 | | | | |
| Total revenues [+] | 0.3 | 4.3 | 2.3 | 2.9 | 2.1 | 32.3 | 0.0 | 0.0 |
| Licensing | | 1.6 | 1.7 | 2.9 | 2.1 | 17.9 | | |
| Royalties | | | | | | 14.5 | | |
| Subscription | | 0.1 | 0.1 | | | | | |
| Revenue growth | -93.0% | 84.8% | -21.5% | 40.9% | -93.5% | | | |
| Cost of goods sold [+] | 1.7 | 1.8 | 1.6 | 0.9 | 0.8 | 14.4 | 0.0 | 0.0 |
| Labor costs | | | | | | 3.6 | | |
| Cost of technology services | | | | | | 2.4 | | |
| Other cost of sales | | | | | | 10.8 | | |
| Cost of subscriptions | | 0.2 | 1.2 | | | | | |
| Gross profit | -1.4 | 2.5 | 0.7 | 2.1 | 1.3 | 17.9 | 0.0 | 0.0 |
| Gross margin | -474.0% | 57.8% | 29.8% | 70.1% | 64.1% | 55.4% | | |
| Selling, general and administrative [+] | 3.4 | 6.0 | 9.0 | 11.0 | 5.3 | 3.4 | 3.0 | 15.9 |
| Sales and marketing | | 3.8 | 5.3 | 0.3 | 3.2 | | | 1.8 |
| General and administrative [+] | | 2.2 | 3.7 | 4.4 | 2.1 | 3.4 | 3.0 | 14.1 |
| Wages and related expenses | | 3.8 | 5.3 | 6.4 | 3.2 | | | |
| General and administrative expenses | | 0.8 | 1.6 | 2.1 | 0.6 | 0.2 | 3.0 | 14.1 |
| Professional fees | | 1.4 | 2.1 | 2.3 | 1.6 | 3.2 | | |
| Other selling, general and administrative | | 3.8 | 5.3 | 6.4 | 3.2 | | | |
| Research and development | | | | | | 2.4 | | |
| Other operating expenses | -4.3 | -7.0 | 0.4 | 1.0 | 1.0 | 0.8 | | |
| EBITDA [+] | -0.5 | 3.5 | -8.6 | -10.0 | | | | -13.7 |
| EBITDA growth | -115.2% | -140.2% | -13.5% | 99.2% | -144.2% | -480.0% | -78.4% | 76.2% |
| EBITDA margin | -176.0% | 81.0% | -372.3% | -337.9% | -239.0% | 35.0% | | |
| Depreciation and amortization | 0.0 | 0.0 | 0.1 | 0.0 | | | | 2.2 |
| EBIT [+] | -0.5 | 3.4 | -8.7 | -10.0 | -5.0 | 11.3 | -3.0 | -15.9 |
| EBIT growth | -115.7% | -139.4% | -12.7% | 99.3% | -144.2% | -480.0% | -81.3% | 42.6% |
| EBIT margin | -179.0% | 80.2% | -375.8% | -337.9% | -239.0% | 35.0% | | |
| Non-recurring items [+] | 0.4 | 8.7 | 1.8 | 5.7 | 9.4 | | | |
| Loss (gain) on sale of assets | | 7.1 | | | | | | |
| Legal settlement | 0.4 | 0.0 | 0.1 | | | | | |
| Interest expense, net [+] | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | | 0.0 | 0.2 |
| Interest expense | | | | | | | | 0.2 |
| Interest income | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | | 0.0 | 0.0 |
| Other income (expense), net [+] | 0.3 | 22.1 | 4.2 | 0.0 | | | | |
| Other non-operating income | 0.4 | 0.9 | 0.1 | 0.0 | | | | |
| Other | 0.4 | 0.9 | 0.1 | 0.0 | | | 0.0 | -0.2 |
| Pre-tax income | -0.5 | 16.9 | -6.2 | -15.6 | -14.4 | 11.3 | -3.0 | -16.1 |
| Income taxes | 0.4 | 0.0 | 4.2 | 0.0 | 0.0 | 0.0 | -2.6 | -0.8 |
| Tax rate | | 0.0% | | 0.0% | 0.0% | 0.0% | 88.3% | 5.2% |
| Earnings from continuing ops | -0.9 | 16.9 | -10.4 | -15.6 | -14.4 | 11.3 | -3.0 | -16.1 |
| Earnings from discontinued ops | | | | | | | 2.6 | 0.8 |
| Net income | -0.9 | 16.9 | -10.4 | -15.6 | -14.4 | 11.3 | -0.3 | -15.3 |
| Net margin | -297.0% | 394.5% | -449.3% | -529.8% | -686.9% | 35.0% | | |
| |
| Basic EPS [+] | ($0.04) | $0.81 | ($0.50) | ($0.76) | ($1.29) | $1.47 | ($0.33) | ($1.13) |
| Growth | -105.3% | -262.3% | -34.4% | -40.8% | -187.7% | -551.4% | -71.0% | 24.0% |
| Diluted EPS [+] | ($0.04) | $0.47 | ($0.50) | ($0.76) | ($1.29) | $0.50 | ($0.33) | ($1.13) |
| Growth | -109.3% | -193.6% | -34.4% | -40.8% | -359.1% | -252.7% | -71.0% | 24.0% |
| |
| Shares outstanding (basic) [+] | 20.5 | 20.7 | 20.7 | 20.4 | 11.1 | 7.7 | 9.1 | 14.3 |
| Growth | -1.0% | 0.0% | 1.5% | 83.7% | 45.1% | -15.4% | -36.7% | 11.3% |
| Shares outstanding (diluted) [+] | 20.5 | 36.0 | 20.7 | 20.4 | 11.1 | 22.7 | 9.1 | 14.3 |
| Growth | -42.9% | 73.4% | 1.5% | 83.7% | -50.9% | 150.1% | -36.7% | 11.3% |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |