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| 0001437749-23-029992.txt | 2023-11-02 15:55:34 | |
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| ex_564849.htm | 18694 | 2023-11-02 15:55:34 |
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| FilingSummary.xml | 25027 | 2023-11-02 15:55:34 |
| Financial_Report.xlsx | 46951 | 2023-11-02 15:55:34 |
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| R8.htm | 48056 | 2023-11-02 15:55:34 |
| R9.htm | 7512 | 2023-11-02 15:55:34 |
| report.css | 2767 | 2023-11-02 15:55:34 |
| sfe-20230930.xsd | 37405 | 2023-11-02 15:55:34 |
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