| 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/A | 10-K | 10-K/A | 10-K | 10-K |
| Total revenues | 0.6 | 0.5 | 0.3 | 0.2 | 0.2 | 0.1 | 0.2 | |
| Revenue growth | 17.5% | 66.7% | 33.1% | 4.4% | 55.8% | -27.6% | | |
| Cost of goods sold | 0.4 | 0.2 | 0.2 | 0.1 | 0.1 | 0.0 | 0.1 | |
| Gross profit | 0.2 | 0.3 | 0.2 | 0.2 | 0.1 | 0.1 | 0.1 | |
| Gross margin | 34.3% | 53.0% | 50.3% | 63.2% | 61.6% | 66.7% | 54.2% | |
| Selling, general and administrative [+] | 4.8 | 4.9 | 3.8 | 2.5 | 1.9 | 1.1 | 0.9 | |
| Sales and marketing | 1.0 | 1.1 | 1.2 | 0.5 | 0.5 | 0.4 | 0.3 | |
| General and administrative | 3.8 | 3.8 | 2.6 | 2.1 | 1.4 | 0.7 | 0.6 | |
| Research and development | 0.2 | 0.5 | 0.6 | 0.7 | 0.6 | 0.4 | 0.4 | |
| Other operating expenses | | | | 0.1 | 0.0 | | -2.4 | |
| EBITDA [+] | -4.7 | -5.1 | -4.3 | -3.1 | -2.3 | -1.4 | 1.2 | |
| EBITDA growth | -8.4% | 19.8% | 36.9% | 36.8% | 62.1% | -216.0% | | |
| EBITDA margin | -757.1% | -971.1% | -1351.3% | -1313.4% | -1001.7% | -962.6% | 601.0% | |
| Depreciation and amortization | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
| EBIT [+] | -4.7 | -5.2 | -4.3 | -3.1 | -2.3 | -1.4 | 1.2 | |
| EBIT growth | -8.4% | 19.7% | 36.9% | 36.6% | 61.6% | -217.6% | | |
| EBIT margin | -757.5% | -971.9% | -1353.1% | -1315.5% | -1004.8% | -968.7% | 596.6% | |
| Non-recurring items | | | | -0.1 | 0.0 | | | |
| Interest expense | 0.1 | 0.0 | | | | | | |
| Interest expense | 0.1 | 0.0 | | 0.0 | | 0.1 | 0.4 | |
| Other income (expense), net [+] | 0.6 | -0.6 | 0.0 | -1.8 | -0.4 | -1.4 | 1.8 | |
| Gain (loss) on debt retirement | | -0.3 | | | | | | |
| Gain (loss) on derivative instruments | 0.5 | 0.1 | | | | | | |
| Unrealized gain/loss on derivatives | 0.0 | | | | | | | |
| Other non-ooperating expenses | | | | 1.8 | 0.4 | 1.4 | 1.4 | |
| Other | | | | 1.8 | 0.4 | 1.5 | 1.4 | |
| Pre-tax income | -4.3 | -5.8 | -4.3 | -4.9 | -2.7 | -2.9 | 2.6 | |
| Income taxes | 0.0 | 0.0 | -0.1 | 0.0 | 0.1 | 0.0 | 0.0 | |
| Tax rate | 0.3% | 0.3% | 3.0% | | | | | |
| Net income | -4.3 | -5.8 | -4.2 | -5.8 | -2.8 | -2.9 | 2.6 | |
| Net margin | -683.6% | -1093.2% | -1306.3% | -2429.3% | -1236.2% | -1961.9% | 1303.9% | |
| |
| Basic EPS [+] | ($0.41) | ($0.83) | ($0.64) | ($1.17) | ($0.62) | ($0.82) | $17.08 | |
| Growth | -50.5% | 29.6% | -44.9% | 89.2% | -24.2% | -104.8% | | |
| Diluted EPS [+] | ($0.41) | ($0.83) | ($0.64) | ($1.17) | ($0.62) | ($0.82) | $17.08 | |
| Growth | -50.5% | 29.6% | -44.9% | 89.2% | -24.2% | -104.8% | | |
| |
| Shares outstanding (basic) [+] | 10.3 | 6.9 | 6.4 | 5.0 | 4.6 | 3.5 | 0.2 | |
| Growth | 48.4% | 7.6% | 29.9% | 8.4% | 29.5% | 2181.4% | | |
| Shares outstanding (diluted) [+] | 10.3 | 6.9 | 6.4 | 5.0 | 4.6 | 3.5 | 0.2 | |
| Growth | 48.4% | 7.6% | 29.9% | 8.4% | 29.5% | 2181.4% | | |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |