Overview Financials News + Filings Key Docs Charts Ownership Insiders
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| 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/A | 10-K | 10-K | 10-K | 10-K |
| Revenues: |
| North America | 1.5 | 1.0 | | | | | | |
| Other | 3.9 | 17.9 | | | | | | |
| Revenues [+] | 5.3 | 18.9 | 7.2 | 6.7 | 5.2 | 5.6 | 5.8 | 5.1 |
| Products | 5.3 | 18.9 | 7.2 | 6.7 | 5.2 | | | |
| Revenue growth [+] | -71.7% | 162.1% | 7.6% | 28.7% | -6.5% | -3.9% | 12.7% | 3.6% |
| North America | 47.4% | | | | | | | |
| Cost of goods sold | 4.9 | 15.9 | 6.8 | 5.0 | 3.9 | 3.8 | 3.8 | 3.6 |
| Gross profit | 0.4 | 3.0 | 0.4 | 1.7 | 1.3 | 1.8 | 2.0 | 1.5 |
| Gross margin | 8.4% | 15.8% | 5.1% | 26.0% | 24.8% | 31.5% | 34.9% | 29.7% |
| Selling, general and administrative | 6.1 | 5.7 | 5.7 | 2.5 | 2.0 | 1.8 | 1.8 | 1.6 |
| Research and development | 1.6 | 1.8 | 2.2 | 1.9 | 1.7 | 1.4 | 1.1 | 0.8 |
| Other operating expenses | | | 0.0 | 0.0 | | | | |
| EBITDA [+] | -7.1 | -4.2 | -7.4 | -2.6 | -2.2 | -1.3 | -0.7 | -0.6 |
| EBITDA growth | 70.2% | -43.0% | 181.9% | 16.1% | 73.7% | 76.1% | 23.7% | 42.5% |
| EBITDA margin | -133.7% | -22.2% | -102.3% | -39.0% | -43.3% | -23.3% | -12.7% | -11.6% |
| Depreciation | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.2 |
| EBITA | -7.2 | -4.3 | -7.5 | -2.7 | -2.4 | -1.4 | -0.9 | -0.8 |
| EBITA margin | -135.0% | -22.8% | -103.7% | -40.6% | -45.2% | -25.3% | -15.2% | -14.6% |
| Amortization of intangibles | 0.0 | 0.2 | 0.0 | 0.0 | 0.1 | 0.1 | 0.1 | 0.1 |
| EBIT [+] | -7.2 | -4.5 | -7.5 | -2.7 | -2.4 | -1.5 | -1.0 | -0.8 |
| EBIT growth | 59.3% | -39.5% | 173.6% | 13.6% | 62.8% | 55.2% | 15.4% | 23.3% |
| EBIT margin | -135.3% | -24.0% | -104.2% | -41.0% | -46.4% | -26.6% | -16.5% | -16.1% |
| Interest income, net [+] | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Interest expense | | | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Interest income | 0.1 | 0.0 | | | | | | 0.0 |
| Other income (expense), net [+] | 0.0 | | 0.1 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 |
| Other non-operating income | 0.0 | | | | | | | |
| Other | 0.0 | | | | | | | 0.0 |
| Pre-tax income | -7.1 | -4.5 | -7.4 | -2.7 | -2.4 | -1.4 | -0.9 | -0.8 |
| Income taxes | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.7 |
| Tax rate | | | | | | | 0.0% | |
| Net income | -7.1 | -4.5 | -7.4 | -2.7 | -2.4 | -1.5 | -0.9 | -1.5 |
| Net margin | -133.7% | -24.0% | -103.4% | -40.0% | -46.0% | -26.3% | -15.7% | -29.2% |
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| Basic EPS [+] | ($0.50) | ($0.36) | ($0.62) | ($0.26) | ($0.26) | ($0.17) | ($0.11) | ($0.20) |
| Growth | 41.1% | -42.7% | 137.0% | 1.4% | 51.9% | 56.8% | -44.5% | 348.2% |
| Diluted EPS [+] | ($0.50) | ($0.36) | ($0.62) | ($0.26) | ($0.26) | ($0.17) | ($0.11) | ($0.20) |
| Growth | 41.1% | -42.7% | 137.0% | 1.4% | 51.9% | 56.8% | -44.5% | 348.2% |
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| Shares outstanding (basic) [+] | 14.2 | 12.7 | 11.9 | 10.2 | 9.2 | 8.6 | 8.3 | 7.6 |
| Growth | 11.7% | 6.2% | 17.3% | 10.4% | 7.5% | 2.9% | 9.2% | 1.0% |
| Shares outstanding (diluted) [+] | 14.2 | 12.7 | 11.9 | 10.2 | 9.2 | 8.6 | 8.3 | 7.6 |
| Growth | 11.7% | 6.2% | 17.3% | 10.4% | 7.5% | 2.9% | 9.2% | 1.0% |
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| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |
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