| In millions, except per share items | May-31-23 | May-31-22 | May-31-21 | May-31-20 | May-31-19 | May-31-18 | May-31-17 | May-31-16 |
| | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K |
| Total revenues | 23.1 | 22.7 | 19.3 | 11.9 | 8.5 | 0.0 | 0.0 | 0.0 |
| Revenue growth | 2.1% | 17.5% | 61.9% | 40.9% | | | | |
| Cost of goods sold | 13.3 | 12.2 | 9.6 | 6.0 | 4.8 | 0.0 | 0.0 | 0.0 |
| Gross profit | 9.8 | 10.5 | 9.6 | 6.0 | 3.6 | 0.0 | 0.0 | 0.0 |
| Gross margin | 42.4% | 46.3% | 50.0% | 50.0% | 42.8% | | | |
| Selling, general and administrative [+] | 11.1 | 11.4 | 10.8 | 8.8 | 26.5 | 3.1 | 1.5 | 2.3 |
| General and administrative [+] | 11.1 | 11.4 | 10.8 | 8.8 | 26.5 | 3.1 | 1.5 | 2.3 |
| General and administrative expenses | 11.1 | 11.4 | 10.8 | 8.8 | 26.5 | 3.1 | 0.7 | 1.3 |
| Professional fees | | | | | | | 0.8 | 1.0 |
| Other selling, general and administrative | | | | | | | | |
| Equity in earnings | -0.2 | -0.1 | | | | | | |
| Other operating expenses | 1.6 | | 0.0 | 0.0 | -0.3 | | 0.1 | |
| EBITDA [+] | -2.1 | -0.2 | -0.5 | -2.4 | -22.2 | -3.1 | -1.6 | -2.3 |
| EBITDA growth | 797.6% | -51.1% | -79.7% | -89.3% | 614.0% | 93.5% | -29.1% | 50.9% |
| EBITDA margin | -9.2% | -1.0% | -2.5% | -20.0% | -262.9% | | | |
| Depreciation | 0.8 | 0.6 | 0.6 | 0.3 | 0.2 | 0.0 | 0.0 | 0.0 |
| EBITA | -3.0 | -0.9 | -1.1 | -2.7 | -22.4 | -3.1 | -1.6 | -2.3 |
| EBITA margin | -12.8% | -3.9% | -5.5% | -22.7% | -264.9% | | | |
| Amortization of intangibles | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.0 | | |
| EBIT [+] | -3.1 | -1.0 | -1.2 | -2.8 | -22.5 | -3.1 | -1.6 | -2.3 |
| EBIT growth | 210.4% | -15.3% | -58.7% | -87.4% | 622.9% | 93.4% | -29.0% | 51.0% |
| EBIT margin | -13.3% | -4.4% | -6.1% | -23.7% | -266.3% | | | |
| Non-recurring items [+] | 0.9 | | 2.5 | 25.2 | 0.3 | | | |
| Asset impairment | 0.9 | | 2.5 | 25.2 | | | | |
| Loss (gain) on sale of assets | | | 0.0 | 0.0 | | | | |
| Loss on contingent liability | | | | | 0.3 | | | |
| Interest expense | 2.7 | 2.1 | 3.7 | 2.9 | 4.4 | 4.7 | 2.6 | 0.4 |
| Interest expense | 2.7 | 2.1 | 3.7 | 2.9 | 4.4 | 4.7 | 2.6 | 0.4 |
| Other income (expense), net [+] | -6.0 | 2.7 | -6.1 | 0.3 | -0.3 | -1.8 | -0.7 | 0.1 |
| Impairment of investments | 1.6 | | | | | | | |
| Litigation settlement | -0.1 | | | | | | | |
| Gain (loss) on debt retirement | 0.0 | | -6.1 | | | 0.0 | 0.0 | |
| Gain (loss) on derivative instruments | | | | | | 0.2 | -0.3 | -0.1 |
| Other non-operating gains/losses | | | 0.0 | 0.3 | | | 1.0 | |
| Pre-tax income | -12.6 | -0.4 | -13.4 | -30.7 | -27.6 | -9.6 | -4.9 | -2.6 |
| Income taxes | 2.2 | 2.0 | 2.5 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Tax rate | | | | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% |
| Minority interest | -1.0 | -0.1 | | | | | | |
| Net income | -13.8 | -2.3 | -15.9 | -30.7 | -27.6 | -9.6 | -4.9 | -2.6 |
| Net margin | -59.7% | -10.3% | -82.4% | -257.2% | -326.5% | | | |
| |
| Basic EPS [+] | ($0.23) | ($0.07) | ($0.13) | ($0.24) | ($0.27) | ($0.24) | ($0.23) | ($0.13) |
| Growth | 211.0% | -41.7% | -48.3% | -9.7% | 10.0% | 4.3% | 80.7% | -45.7% |
| Diluted EPS [+] | ($0.23) | ($0.07) | ($0.13) | ($0.24) | ($0.27) | ($0.24) | ($0.23) | ($0.13) |
| Growth | 211.0% | -41.7% | -48.3% | -9.7% | 10.0% | 4.3% | 80.7% | -45.7% |
| |
| Shares outstanding (basic) [+] | 60.7 | 32.0 | 126.7 | 126.4 | 102.9 | 39.2 | 20.8 | 20.1 |
| Growth | 89.4% | -74.7% | 0.2% | 22.9% | 162.3% | 88.8% | 3.1% | 217.0% |
| Shares outstanding (diluted) [+] | 60.7 | 32.0 | 126.7 | 126.4 | 102.9 | 39.2 | 20.8 | 20.1 |
| Growth | 89.4% | -74.7% | 0.2% | 22.9% | 162.3% | 88.8% | 3.1% | 217.0% |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |