| In millions, except per share items | Dec-31-19 | Dec-31-18 | Dec-31-17 | Dec-31-16 | Dec-31-15 | Dec-31-14 | Dec-31-13 | Dec-31-12 |
| | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K/A |
| Total revenues | 0.3 | 0.2 | 0.3 | 0.6 | 2.5 | 0.6 | 0.2 | 9.4 |
| Revenue growth | 51.5% | -33.4% | -46.4% | -74.9% | 343.9% | 175.4% | -97.8% | 3192.2% |
| Cost of goods sold | 0.1 | 0.1 | 0.2 | 0.9 | 1.9 | 0.2 | 0.3 | 0.0 |
| Gross profit | 0.3 | 0.1 | 0.2 | -0.2 | 0.6 | 0.3 | -0.1 | 9.4 |
| Gross margin | 81.6% | 39.5% | 51.8% | -37.0% | 24.9% | 57.1% | -44.6% | 100.0% |
| Selling, general and administrative [+] | 13.6 | 13.5 | 13.1 | 12.1 | 13.8 | 8.2 | 9.2 | 1.5 |
| Sales and marketing | 0.1 | 0.3 | 0.4 | 0.4 | 0.7 | 0.3 | 0.1 | 0.1 |
| General and administrative | 13.5 | 13.2 | 12.8 | 11.7 | 13.1 | 7.9 | 9.2 | 1.4 |
| Research and development | 37.7 | 24.2 | 14.6 | 11.5 | 7.6 | 3.1 | 2.0 | |
| Other operating expenses | | 2.9 | | 4.6 | 0.1 | 1.4 | | |
| EBITDA [+] | -45.4 | -35.5 | -24.6 | -25.8 | -18.8 | -11.3 | -10.5 | |
| EBITDA growth | 27.9% | 44.2% | -4.6% | 37.5% | 66.7% | 7.0% | -233.0% | -862.4% |
| EBITDA margin | -13342.5% | -15800.2% | -7300.9% | -4105.6% | -748.5% | -1993.7% | -5130.1% | 84.1% |
| Depreciation and amortization | 5.6 | 5.0 | 3.0 | 2.6 | 2.1 | 1.2 | 0.8 | |
| EBIT [+] | -51.0 | -40.5 | -27.6 | -28.4 | -20.8 | -12.4 | -11.4 | 7.9 |
| EBIT growth | 25.9% | 46.9% | -3.0% | 36.3% | 67.6% | 9.6% | -243.6% | -862.4% |
| EBIT margin | -15001.2% | -18050.4% | -8187.4% | -4525.2% | -832.2% | -2204.6% | -5540.7% | 84.1% |
| Interest income, net [+] | 0.8 | 0.4 | 0.1 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 |
| Interest expense | 0.5 | | | | | | | 0.0 |
| Interest income | 0.8 | 0.4 | 0.1 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 |
| Other income (expense), net [+] | 0.7 | 1.2 | 2.0 | 0.1 | 0.6 | 0.1 | 0.0 | 1.4 |
| Impairment of investments | | 2.9 | | 4.6 | 0.1 | 1.4 | | |
| Gain (loss) on debt retirement | | | | | | | | 0.0 |
| Other | 0.2 | 1.2 | 2.0 | 0.1 | 0.6 | 0.1 | 0.0 | 1.4 |
| Pre-tax income | -50.0 | -38.9 | -25.5 | -28.2 | -20.2 | -12.4 | -11.4 | 9.3 |
| Income taxes | 0.0 | 0.0 | 0.0 | 0.0 | -0.7 | 0.0 | 2.4 | 0.1 |
| Tax rate | | | | | 3.6% | 0.0% | | 0.9% |
| Earnings from continuing ops | -50.0 | -38.9 | -25.5 | -28.2 | -19.4 | -12.4 | -11.4 | 9.2 |
| Earnings from discontinued ops | | | | | | -3.1 | -2.4 | |
| Net income | -50.0 | -38.9 | -25.5 | -28.2 | -19.4 | -15.5 | -13.8 | 9.2 |
| Net margin | -14704.7% | -17355.2% | -7568.0% | -4492.3% | -776.2% | -2741.9% | -6733.1% | 98.2% |
| |
| Basic EPS [+] | ($2.63) | ($2.20) | ($1.78) | ($2.09) | ($1.70) | ($1.43) | ($1.96) | $5.91 |
| Growth | 19.9% | 23.5% | -14.9% | 23.2% | 18.4% | -27.0% | -133.2% | -1842.2% |
| Diluted EPS [+] | ($2.63) | ($2.20) | ($1.78) | ($2.09) | ($1.70) | ($1.43) | ($1.96) | $5.91 |
| Growth | 19.9% | 23.5% | -14.9% | 23.2% | 18.4% | -27.0% | -133.2% | -1842.2% |
| |
| Shares outstanding (basic) [+] | 19.0 | 17.7 | 14.3 | 13.5 | 11.5 | 8.6 | 5.8 | 1.6 |
| Growth | 7.0% | 23.7% | 6.2% | 17.7% | 33.0% | 48.9% | 271.0% | 2.6% |
| Shares outstanding (diluted) [+] | 19.0 | 17.7 | 14.3 | 13.5 | 11.5 | 8.6 | 5.8 | 1.6 |
| Growth | 7.0% | 23.7% | 6.2% | 17.7% | 33.0% | 48.9% | 271.0% | 2.6% |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |