| In millions, except per share items | Sep-30-21 | Jun-30-21 | Mar-31-21 | Dec-31-20 | Sep-30-20 | Jun-30-20 | Mar-31-20 | Dec-31-19 |
| | 10-Q | 10-Q | 10-Q | 10-K | 10-Q | 10-Q | 10-Q | 10-K |
| Revenues | 58.7 | 38.1 | 31.9 | 28.9 | 21.5 | 20.5 | 23.0 | 30.2 |
| Revenue growth | 173.6% | 86.1% | 38.7% | -4.2% | -21.0% | -35.8% | -21.1% | -11.0% |
| Cost of goods sold | 1.3 | 0.8 | 0.6 | 0.4 | 0.6 | 0.9 | 0.9 | 0.7 |
| Gross profit | 57.4 | 37.3 | 31.2 | 28.5 | 20.9 | 19.6 | 22.1 | 29.5 |
| Gross margin | 97.8% | 97.8% | 98.0% | 98.7% | 97.2% | 95.6% | 96.2% | 97.7% |
| Selling, general and administrative [+] | 4.3 | 3.4 | 3.5 | 4.7 | 3.9 | 4.5 | 4.9 | 5.3 |
| General and administrative [+] | 4.3 | 3.4 | 3.5 | 4.7 | 3.9 | 4.5 | 4.9 | 5.3 |
| General and administrative expenses | 4.3 | 3.4 | 3.5 | 4.7 | 3.9 | 4.5 | 4.9 | 5.3 |
| Other selling, general and administrative | | | | | | | | |
| Other operating expenses | 8.1 | 8.6 | 7.0 | 8.1 | 7.2 | 8.6 | 8.2 | 8.5 |
| EBITDA [+] | 45.0 | 25.2 | 20.7 | 15.7 | 9.8 | 6.5 | 9.0 | 15.6 |
| EBITDA growth | 358.1% | 291.1% | 129.9% | 0.8% | -26.8% | -63.4% | -40.6% | -25.9% |
| EBITDA margin | 76.7% | 66.2% | 64.9% | 54.4% | 45.8% | 31.5% | 39.1% | 51.7% |
| Depreciation and amortization | 13.4 | 12.2 | 10.1 | 11.1 | 10.3 | 11.9 | 13.3 | 14.2 |
| EBIT [+] | 31.6 | 13.0 | 10.6 | 4.6 | -0.5 | -5.4 | -4.3 | 1.4 |
| EBIT growth | -6266.1% | -340.2% | -348.8% | 223.7% | -336.4% | -224.6% | -183.6% | -87.2% |
| EBIT margin | 53.9% | 34.2% | 33.3% | 15.9% | -2.4% | -26.5% | -18.6% | 4.7% |
| Non-recurring items [+] | | | | 19.8 | 3.0 | 14.1 | | |
| Asset impairment | | | | 19.8 | 3.0 | 14.1 | | |
| Interest expense | 2.2 | 2.1 | 1.9 | 1.6 | 1.7 | 1.7 | 2.0 | 2.0 |
| Interest expense | 2.2 | 2.1 | 1.9 | 1.6 | 1.7 | 1.7 | 2.0 | 2.0 |
| Other income (expense), net [+] | -77.4 | -22.5 | -4.2 | 8.0 | -11.1 | -1.7 | 9.3 | -0.4 |
| Gain (loss) on debt retirement | | | -0.9 | | | | | |
| Gain (loss) on derivative instruments | -77.4 | -22.5 | -3.3 | 8.0 | -11.1 | -1.7 | 9.1 | -0.4 |
| Pre-tax income | -48.0 | -11.6 | 4.5 | -8.8 | -16.4 | -22.9 | 3.0 | -0.9 |
| Income taxes | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Tax rate | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% |
| Net income | -48.0 | -11.6 | 4.5 | -8.8 | -16.4 | -22.9 | 3.0 | -0.9 |
| Net margin | -81.7% | -30.3% | 14.1% | -30.6% | -76.2% | -112.0% | 13.2% | -3.1% |
| |
| Basic EPS [+] | ($3.52) | ($0.86) | $0.34 | ($0.70) | ($1.30) | ($1.83) | $0.24 | ($0.08) |
| Growth | 171.2% | -52.9% | 38.7% | 823.4% | -899.4% | -289.7% | 557.0% | -110.9% |
| Diluted EPS [+] | ($3.52) | ($0.86) | $0.30 | ($0.70) | ($1.30) | ($1.83) | $0.22 | ($0.07) |
| Growth | 171.2% | -52.9% | 38.4% | 948.9% | -1015.7% | -326.5% | 591.5% | -111.3% |
| |
| Shares outstanding (basic) [+] | 13.6 | 13.4 | 13.4 | 12.6 | 12.6 | 12.5 | 12.5 | 12.2 |
| Growth | 8.1% | 6.9% | 6.9% | 3.1% | 2.9% | 2.7% | 3.1% | 5.3% |
| Shares outstanding (diluted) [+] | 13.6 | 13.4 | 14.8 | 12.6 | 12.6 | 12.5 | 13.8 | 13.9 |
| Growth | 8.1% | 6.9% | 7.2% | -9.2% | -10.1% | -14.0% | -2.0% | 1.7% |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |