| 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 | Jul-07-13 |
| | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K |
| Total revenues | 7.4 | 18.9 | 9.7 | 5.1 | 11.7 | 9.1 | 10.5 | 124.9 |
| Revenue growth | -61.0% | 95.6% | 87.9% | -56.0% | 28.4% | -13.2% | 38.0% | |
| Cost of goods sold | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 131.1 |
| Gross profit | 7.4 | 18.9 | 9.7 | 5.1 | 11.7 | 9.1 | 10.5 | -6.2 |
| Gross margin | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | -5.0% |
| Selling, general and administrative [+] | 49.0 | 37.1 | 23.7 | 19.2 | 20.9 | 12.9 | 7.2 | 24.5 |
| General and administrative | | | | 19.2 | 20.9 | 12.9 | 7.2 | 24.5 |
| Research and development | 22.8 | 54.9 | 101.7 | 63.8 | 73.8 | 61.9 | 31.5 | |
| Other operating expenses | 3.1 | 0.2 | | | | | | 82.1 |
| EBITDA [+] | -66.9 | -72.7 | -115.3 | -77.5 | -82.8 | -65.6 | -28.1 | -110.3 |
| EBITDA growth | -8.0% | -36.9% | 48.7% | -6.3% | 26.1% | 133.9% | 105.6% | |
| EBITDA margin | -907.0% | -384.6% | -1192.7% | -1507.2% | -708.6% | -721.5% | -267.6% | -88.3% |
| Depreciation and amortization | 0.6 | 0.6 | 0.4 | 0.3 | 0.2 | 0.1 | 0.1 | 2.5 |
| EBIT [+] | -67.5 | -73.3 | -115.7 | -77.8 | -83.0 | -65.8 | -28.2 | -112.8 |
| EBIT growth | -7.8% | -36.7% | 48.7% | -6.2% | 26.2% | 133.3% | 101.3% | |
| EBIT margin | -915.6% | -387.6% | -1197.1% | -1512.7% | -710.2% | -722.9% | -268.8% | -90.3% |
| Interest expense, net [+] | 1.3 | -1.1 | -1.0 | | | 1.0 | 1.7 | 2.5 |
| Interest expense | 2.6 | 0.6 | | | | 1.0 | 1.7 | 3.2 |
| Interest income | 1.3 | 1.7 | 1.0 | | | 0.0 | 0.0 | 0.6 |
| Other income (expense), net [+] | -1.2 | | | 0.3 | -0.2 | 0.0 | 29.9 | -4.4 |
| Gain (loss) on debt retirement | -1.6 | | | | | | | |
| Other non-operating income | 0.3 | | | | | | | |
| Other | -0.3 | | | 0.4 | -0.2 | 0.0 | 0.3 | |
| Pre-tax income | -70.1 | -72.2 | -114.8 | -77.5 | -83.2 | -66.7 | 0.0 | -119.7 |
| Income taxes | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 29.6 | 0.0 |
| Tax rate | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | | 0.0% |
| Net income | -70.1 | -72.2 | -114.8 | -77.5 | -83.2 | -66.7 | -29.6 | -119.7 |
| Net margin | -950.2% | -381.7% | -1187.2% | -1505.9% | -711.9% | -733.6% | -282.6% | -95.9% |
| |
| Basic EPS [+] | ($22.85) | ($27.48) | ($2.63) | ($2.11) | ($2.36) | ($2.49) | ($1.78) | ($49.36) |
| Growth | -16.8% | 943.6% | 24.7% | -10.5% | -5.2% | 40.0% | -96.3% | |
| Diluted EPS [+] | ($22.85) | ($27.48) | ($2.63) | ($2.11) | ($2.36) | ($2.49) | ($1.78) | ($49.36) |
| Growth | -16.8% | 943.6% | 24.7% | -10.5% | -5.2% | 40.0% | -96.3% | |
| |
| Shares outstanding (basic) [+] | 3.1 | 2.6 | 43.6 | 36.7 | 35.3 | 26.8 | 16.7 | 2.4 |
| Growth | 16.8% | -94.0% | 18.7% | 4.1% | 31.5% | 60.9% | 5157.1% | |
| Shares outstanding (diluted) [+] | 3.1 | 2.6 | 43.6 | 36.7 | 35.3 | 26.8 | 16.7 | 2.4 |
| Growth | 16.8% | -94.0% | 18.7% | 4.1% | 31.5% | 60.9% | 5157.1% | |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |