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| 0001437749-24-003695-index.html | 2024-02-12 09:58:11 | |
| 0001437749-24-003695.txt | 2024-02-12 09:58:11 | |
 0001437749-24-003695-xbrl.zip | 11084 | 2024-02-12 09:58:11 |
| ex_625049.htm | 6630 | 2024-02-12 09:58:11 |
| FilingSummary.xml | 1750 | 2024-02-12 09:58:11 |
| Financial_Report.xlsx | 5668 | 2024-02-12 09:58:11 |
| MetaLinks.json | 18579 | 2024-02-12 09:58:11 |
| R1.htm | 36721 | 2024-02-12 09:58:11 |
| report.css | 2767 | 2024-02-12 09:58:11 |
| sfe-20240212.xsd | 3401 | 2024-02-12 09:58:11 |
| sfe-20240212_def.xml | 11053 | 2024-02-12 09:58:11 |
| sfe-20240212_lab.xml | 14798 | 2024-02-12 09:58:11 |
| sfe-20240212_pre.xml | 11158 | 2024-02-12 09:58:11 |
| sfe20240212_8k.htm | 24492 | 2024-02-12 09:58:11 |
| sfe20240212_8k_htm.xml | 2744 | 2024-02-12 09:58:11 |
| Show.js | 1085 | 2024-02-12 09:58:11 |