| In millions, except per share items | Dec-31-21 | Dec-31-20 | Dec-31-19 | Dec-31-18 | Dec-31-17 | Dec-31-16 | Dec-31-15 | Dec-31-14 |
| | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K/A | 10-K |
| Revenues [+] | 0.6 | 0.6 | 0.7 | 0.1 | 0.0 | 15.2 | 19.5 | 22.8 |
| Products | | | | | | | | 22.8 |
| Net interest income | | | | | | | | -3.7 |
| Revenue growth | 2.0% | -13.8% | 625.3% | | -100.0% | -21.7% | -14.5% | 2.0% |
| Cost of goods sold | 0.4 | 0.5 | 0.6 | 0.1 | 0.0 | 3.8 | 6.3 | 7.9 |
| Gross profit | 0.2 | 0.1 | 0.1 | 0.0 | 0.0 | 11.4 | 13.2 | 14.9 |
| Gross margin | 25.9% | 20.0% | 20.0% | 41.1% | | 75.2% | 67.9% | 65.3% |
| Selling, general and administrative [+] | 4.9 | 3.8 | 3.3 | 4.0 | 4.0 | 16.6 | 18.9 | 32.3 |
| Sales and marketing | 1.3 | 0.7 | 0.4 | 0.1 | 0.3 | 10.3 | 12.4 | 18.7 |
| General and administrative | 3.6 | 3.1 | 2.9 | 3.9 | 3.7 | 6.3 | 6.4 | 13.6 |
| Research and development | 5.9 | 4.8 | 3.4 | 3.0 | 3.5 | 6.3 | 6.4 | 6.7 |
| EBITDA [+] | -10.4 | -8.4 | -6.5 | -6.8 | -7.4 | -9.6 | -9.9 | -21.8 |
| EBITDA growth | 23.9% | 29.8% | -5.2% | -7.3% | -23.1% | -2.9% | -54.7% | 168.5% |
| EBITDA margin | -1721.1% | -1417.7% | -941.5% | -7204.2% | | -63.0% | -50.8% | -95.9% |
| Depreciation | 0.2 | 0.1 | 0.1 | 0.1 | 0.1 | 1.4 | 1.7 | 1.8 |
| EBITA | -10.6 | -8.5 | -6.6 | -6.9 | -7.5 | -11.0 | -11.5 | -23.7 |
| EBITA margin | -1751.7% | -1430.8% | -956.3% | -7314.7% | | -72.5% | -59.3% | -104.0% |
| Amortization of intangibles | 0.0 | 0.0 | 0.0 | 0.0 | | 0.5 | 0.5 | 0.5 |
| EBIT [+] | -10.6 | -8.5 | -6.6 | -7.0 | -7.5 | -11.5 | -12.0 | -24.2 |
| EBIT growth | 24.9% | 29.0% | -5.2% | -7.1% | -35.1% | -4.2% | -50.2% | 133.8% |
| EBIT margin | -1752.5% | -1431.6% | -957.0% | -7318.9% | | -75.8% | -61.9% | -106.2% |
| Non-recurring items [+] | | | | 6.2 | | | | |
| Asset impairment | | | | 6.2 | | | | |
| Interest expense, net [+] | -0.1 | -0.3 | -0.4 | 1.4 | 1.3 | 4.5 | 4.3 | 3.6 |
| Interest expense | | 0.0 | 0.0 | 1.4 | 1.3 | 4.5 | 4.3 | 3.7 |
| Interest income | 0.1 | 0.3 | 0.5 | | | | | 0.0 |
| Other income (expense), net [+] | 1.7 | 1.1 | 1.4 | 4.8 | 3.0 | 1.3 | -7.5 | -4.8 |
| Gain (loss) on debt retirement | | | | -0.3 | | -0.7 | 2.2 | -2.2 |
| Gain (loss) on derivative instruments | 0.7 | 2.1 | 1.3 | 7.0 | 3.1 | 2.5 | -7.6 | -0.3 |
| Other non-operating income | | | | | | 0.0 | | |
| Other | 0.1 | 0.3 | 0.0 | 0.1 | | 0.0 | | -0.3 |
| Pre-tax income | -8.8 | -7.0 | -4.8 | -9.7 | -5.8 | -14.8 | -23.9 | -32.6 |
| Income taxes | 0.0 | 0.0 | 0.0 | -1.0 | 3.6 | 0.0 | 0.0 | 0.0 |
| Tax rate | 0.0% | 0.0% | 0.0% | 10.7% | | 0.0% | 0.0% | 0.0% |
| Earnings from continuing ops | -8.8 | -16.6 | -7.5 | -23.6 | 0.0 | -21.0 | -23.9 | -32.6 |
| Earnings from discontinued ops | | | | 1.0 | | | | |
| Net income | -8.8 | -16.6 | -7.5 | -22.6 | 0.0 | -21.0 | -23.9 | -32.6 |
| Net margin | -1448.0% | -2793.6% | -1088.5% | -23738.9% | | -138.2% | -122.9% | -143.1% |
| |
| Basic EPS [+] | ($0.36) | ($1.01) | ($4.82) | ($61.45) | ($3.13) | ($13.63) | ($66.05) | ($39.93) |
| Growth | -64.9% | -79.0% | -92.2% | 1862.3% | -77.0% | -79.4% | 65.4% | 157.4% |
| Diluted EPS [+] | ($0.35) | ($0.95) | ($4.82) | ($61.45) | ($3.13) | ($13.63) | ($66.05) | ($39.93) |
| Growth | -63.2% | -80.3% | -92.2% | 1862.3% | -77.0% | -79.4% | 65.4% | 157.4% |
| |
| Dividends per share [+] | | | $0.10 | | | | | |
| Growth | | -100.0% | | | | | | |
| |
| Shares outstanding (basic) [+] | 24.7 | 16.4 | 1.6 | 0.4 | 0.0 | 1.5 | 0.4 | 0.8 |
| Growth | 50.5% | 954.4% | 305.4% | 12785.8% | -99.8% | 326.4% | -55.6% | 52.8% |
| Shares outstanding (diluted) [+] | 25.1 | 17.4 | 1.6 | 0.4 | 0.0 | 1.5 | 0.4 | 0.8 |
| Growth | 43.7% | 1021.2% | 305.4% | 12785.8% | -99.8% | 326.4% | -55.6% | 52.8% |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |