| In millions, except per share items | Apr-30-23 | Oct-31-22 | Jul-31-22 | Apr-30-22 | Jan-31-22 | Oct-31-21 | Jul-31-21 | Apr-30-21 |
| | 10-Q | 8-K | 10-Q | 10-Q | 8-K | 10-Q | 10-Q | 10-Q |
| Revenues | 74.2 | 77.4 | 76.5 | 67.1 | 64.1 | 59.0 | 46.7 | 33.5 |
| Revenue growth | 10.6% | 31.2% | 63.8% | 100.3% | 91.3% | 66.2% | 61.6% | -43.8% |
| Cost of goods sold | 21.9 | 26.2 | 23.4 | 22.9 | 20.2 | 19.2 | 13.5 | 8.8 |
| Gross profit | 52.3 | 51.2 | 53.1 | 44.2 | 43.9 | 39.8 | 33.2 | 24.7 |
| Gross margin | 70.5% | 66.1% | 69.4% | 65.9% | 68.5% | 67.5% | 71.1% | 73.7% |
| Selling, general and administrative [+] | 35.8 | 58.2 | 38.6 | 37.9 | 56.7 | 46.6 | 26.4 | 21.6 |
| Sales and marketing | 9.3 | 32.9 | 9.0 | 8.7 | 28.7 | 10.8 | 4.8 | 2.6 |
| General and administrative | 26.5 | 25.3 | 29.6 | 29.2 | 28.0 | 35.8 | 21.6 | 19.0 |
| Research and development | 13.1 | 14.1 | 14.9 | 13.6 | 12.3 | 12.8 | 10.5 | 9.7 |
| Other operating expenses | 20.9 | | 25.2 | 21.7 | | 24.6 | 19.8 | 16.6 |
| Adjusted EBITDA | -8.7 | -14.5 | -14.2 | -23.5 | -19.9 | -22.4 | -16.3 | -21.3 |
| Adjusted EBITDA margin | -11.7% | -18.7% | -18.6% | -35.0% | -31.0% | -38.0% | -34.9% | -63.6% |
| Stock-based compensation | 8.8 | 6.6 | 6.9 | 5.5 | 5.2 | 17.1 | 2.4 | 1.9 |
| EBITDA [+] | -17.5 | -21.1 | -21.1 | -29.0 | -25.1 | -39.5 | -18.7 | -23.2 |
| EBITDA growth | -39.7% | -46.6% | 12.8% | 25.0% | 3.7% | 53.7% | -33.2% | -20.0% |
| EBITDA margin | -23.6% | -27.3% | -27.6% | -43.2% | -39.2% | -66.9% | -40.0% | -69.3% |
| Depreciation and amortization | 3.8 | 3.9 | 4.5 | 4.2 | 4.8 | 4.7 | 4.8 | 5.1 |
| EBIT [+] | -21.3 | -25.0 | -25.6 | -33.2 | -29.9 | -44.2 | -23.5 | -28.3 |
| EBIT growth | -35.8% | -43.4% | 8.9% | 17.3% | 0.3% | 38.1% | -30.1% | -19.4% |
| EBIT margin | -28.7% | -32.3% | -33.5% | -49.5% | -46.6% | -74.9% | -50.3% | -84.5% |
| Non-recurring items | | 2.0 | | | | | | |
| Interest expense | 8.8 | | 9.6 | 9.3 | | 14.3 | 14.9 | 14.5 |
| Interest expense | 8.8 | | 9.6 | 9.3 | | 14.3 | 14.9 | 14.5 |
| Other income (expense), net [+] | | -9.1 | 1.3 | | -9.4 | -29.6 | -4.1 | 0.5 |
| Gain (loss) on debt retirement | | | | | | -12.2 | | |
| Unrealized gain/loss on derivatives | | | | | | -17.4 | -8.0 | 0.5 |
| Other depreciation and amortization | 3.8 | | 4.5 | 4.2 | | 4.7 | 4.8 | 5.1 |
| Pre-tax income | -30.1 | -36.1 | -33.9 | -42.5 | -39.3 | -88.1 | -42.5 | -42.3 |
| Income taxes | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | -0.3 | -0.1 | 0.0 |
| Tax rate | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.3% | 0.2% | 0.0% |
| Net income | -30.1 | -36.1 | -33.9 | -42.5 | -39.3 | -87.8 | -42.4 | -42.3 |
| Net margin | -40.6% | -46.6% | -44.3% | -63.3% | -61.3% | -148.8% | -90.8% | -126.3% |
| |
| Basic EPS [+] | ($0.46) | ($0.56) | ($0.53) | ($0.67) | ($0.62) | ($6.72) | ($3.75) | ($3.75) |
| Growth | -31.8% | -91.7% | -85.9% | -82.1% | -82.1% | 68.6% | -7.0% | 96625725.0% |
| Diluted EPS [+] | ($0.46) | ($0.56) | ($0.53) | ($0.67) | ($0.62) | ($6.72) | ($3.75) | ($3.75) |
| Growth | -31.8% | -91.7% | -85.9% | -82.1% | -82.1% | 68.6% | -7.0% | 96625725.0% |
| |
| Shares outstanding (basic) [+] | 65.9 | 64.5 | 64.1 | 63.4 | 63.0 | 13.1 | 11.3 | 11.3 |
| Growth | 3.8% | 393.9% | 467.0% | 462.0% | 466.3% | 17.5% | 1.6% | -100.0% |
| Shares outstanding (diluted) [+] | 65.9 | 64.5 | 64.1 | 63.4 | 63.0 | 13.1 | 11.3 | 11.3 |
| Growth | 3.8% | 393.9% | 467.0% | 462.0% | 466.3% | 17.5% | 1.6% | -100.0% |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |