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| FilingSummary.xml | 26285 | 2023-05-05 13:11:58 |
| Financial_Report.xlsx | 44526 | 2023-05-05 13:11:58 |
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| R9.htm | 5464 | 2023-05-05 13:11:58 |
| report.css | 2767 | 2023-05-05 13:11:58 |
| sfe-20230331.xsd | 37153 | 2023-05-05 13:11:58 |
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