| In millions, except per share items | May-31-22 | May-31-21 | May-31-20 | May-31-19 | May-31-18 | May-31-17 | May-31-16 | May-31-15 |
| | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K |
| Revenues | 0.0 | 0.1 | 8.1 | 8.5 | 9.4 | 9.8 | 10.9 | 8.8 |
| Revenue growth | -100.0% | -98.8% | -3.9% | -9.4% | -4.7% | -9.9% | 23.6% | 154.0% |
| Cost of goods sold | 1.3 | 4.8 | 8.0 | 8.3 | 8.7 | 10.1 | 10.6 | 8.8 |
| Gross profit | -1.3 | -4.7 | 0.2 | 0.2 | 0.6 | -0.3 | 0.3 | 0.0 |
| Gross margin | | -4907.7% | 2.2% | 2.3% | 6.6% | -2.8% | 2.5% | -0.2% |
| Selling, general and administrative [+] | 1.6 | 0.5 | 0.3 | 0.3 | 0.5 | 0.7 | 0.9 | 1.0 |
| Sales and marketing | 1.2 | 0.1 | 0.1 | 0.1 | 0.3 | 0.4 | 0.5 | 0.6 |
| General and administrative | 0.4 | 0.4 | 0.2 | 0.2 | 0.2 | 0.3 | 0.4 | 0.5 |
| Other selling, general and administrative | 1.2 | 0.1 | 0.1 | 0.1 | 0.3 | 0.4 | 0.5 | 0.6 |
| Equity in earnings | 0.0 | -0.1 | | | | | | |
| Other operating expenses | -0.7 | -4.5 | | | | | | |
| EBITDA [+] | -2.1 | -0.8 | | | | | | |
| EBITDA growth | 169.9% | 502.4% | 16.3% | -195.4% | -112.6% | 53.7% | -42.9% | 34.3% |
| EBITDA margin | | -826.6% | -1.6% | -1.3% | 1.3% | -9.5% | -5.6% | -12.1% |
| Depreciation and amortization | 0.1 | 0.0 | | | | | | |
| EBIT [+] | -2.2 | -0.8 | -0.1 | -0.1 | 0.1 | -0.9 | -0.6 | -1.1 |
| EBIT growth | 172.1% | 513.1% | 16.3% | -195.4% | -112.6% | 53.7% | -42.9% | 34.3% |
| EBIT margin | | -841.2% | -1.6% | -1.3% | 1.3% | -9.5% | -5.6% | -12.1% |
| Interest expense | 0.1 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Interest expense | 0.1 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Other income (expense), net [+] | 1.4 | 0.5 | | | 0.0 | | 0.0 | 0.4 |
| Gain (loss) on derivative instruments | | | | | | | 0.0 | 0.4 |
| Gain (loss) on acquisitions / transactions | | 0.5 | | | | | | |
| Other | 0.1 | | | | | | | |
| Pre-tax income | -0.9 | -0.4 | -0.2 | -0.1 | 0.1 | -1.0 | -0.7 | -0.7 |
| 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 | -0.9 | -0.4 | -0.2 | -0.1 | 0.1 | -1.0 | -0.7 | -0.7 |
| Net margin | | -386.1% | -2.0% | -1.7% | 1.1% | -9.8% | -6.1% | -8.0% |
| |
| Basic EPS [+] | ($0.02) | ($0.01) | $0.00 | $0.00 | $0.00 | ($0.02) | ($0.01) | ($0.01) |
| Growth | 143.3% | 120.6% | 14.2% | -248.0% | -110.2% | 45.9% | -7.9% | -46.4% |
| Diluted EPS [+] | ($0.02) | ($0.01) | $0.00 | $0.00 | $0.00 | ($0.02) | ($0.01) | ($0.01) |
| Growth | 143.3% | 120.6% | 14.2% | -248.0% | -110.2% | 45.9% | -7.9% | -46.4% |
| |
| Shares outstanding (basic) [+] | 54.5 | 54.5 | 54.5 | 54.5 | 54.5 | 54.5 | 54.5 | 53.7 |
| Growth | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.1% | 1.4% | 0.1% |
| Shares outstanding (diluted) [+] | 54.5 | 54.5 | 54.5 | 54.5 | 54.5 | 54.5 | 54.5 | 53.7 |
| Growth | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.1% | 1.4% | 0.1% |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |