| In millions, except per share items | Dec-31-22 | Dec-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 |
| Total revenues | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Cost of goods sold | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Gross profit | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Gross margin | | | | | | | | |
| Selling, general and administrative [+] | 1.6 | 2.0 | 1.0 | 0.7 | 1.0 | 1.2 | 1.6 | 1.4 |
| General and administrative | 1.6 | 2.0 | | | | | | |
| Research and development | 1.0 | 1.5 | | | | | | |
| Equity in earnings | | | -0.1 | -0.1 | -0.2 | | 0.3 | -0.1 |
| Other operating expenses | | | -0.1 | 0.0 | 0.0 | -1.1 | 0.3 | 0.0 |
| EBITDA [+] | | | -1.0 | -0.8 | -1.3 | -0.1 | -1.6 | -1.6 |
| EBITDA growth | -25.0% | | 28.9% | -39.9% | 1577.3% | -95.1% | 3.3% | -0.4% |
| EBITDA margin | | | | | | | | |
| Depreciation and amortization | | | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| EBIT [+] | -2.6 | -3.5 | -1.0 | -0.8 | -1.3 | -0.1 | -1.6 | -1.6 |
| EBIT growth | -25.0% | | 28.9% | -39.9% | 1560.8% | -95.1% | 3.3% | -0.4% |
| EBIT margin | | | | | | | | |
| Interest income | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Interest income | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Other income (expense), net [+] | 0.2 | -0.2 | -0.1 | 0.0 | 0.0 | 0.0 | 0.3 | 0.0 |
| Gain (loss) on sale of assets | | | | | | 1.2 | | |
| Gain (loss) on derivative instruments | 0.1 | 0.0 | | | | | | |
| Other non-operating income | | | | | 0.0 | | | |
| Other | | | | | 0.0 | | 0.3 | 0.0 |
| Pre-tax income | -2.4 | -3.7 | -1.1 | -0.8 | -1.3 | 0.0 | -1.3 | -1.5 |
| Income taxes | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Tax rate | | | | | 4.0% | | | |
| Earnings from continuing ops | -2.4 | -3.7 | -1.1 | -0.8 | -1.2 | 0.0 | -1.3 | -1.5 |
| Earnings from discontinued ops | | | | | | | | 0.0 |
| Net income | -2.4 | -3.7 | -1.1 | -0.8 | -1.2 | 0.0 | -1.3 | -1.5 |
| Net margin | | | | | | | | |
| |
| Basic EPS [+] | ($0.33) | ($0.55) | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 |
| Growth | -40.1% | | 32.8% | -34.0% | 2565.9% | -96.4% | -17.5% | -0.6% |
| Diluted EPS [+] | ($0.33) | ($0.55) | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 |
| Growth | -40.1% | | 32.8% | -34.0% | 2565.9% | -96.4% | -17.5% | -0.6% |
| |
| Shares outstanding (basic) [+] | 7.2 | 6.7 | 398.5 | 398.5 | 398.5 | 398.5 | 398.5 | 398.5 |
| Growth | 7.8% | | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | -0.7% |
| Shares outstanding (diluted) [+] | 7.2 | 6.7 | 398.5 | 398.5 | 398.5 | 398.5 | 398.5 | 398.5 |
| Growth | 7.8% | | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | -0.7% |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |