Parent Directory| Name | Size | Last Modified |
|---|---|---|
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| 0001437749-23-005972-index.html | 2023-03-09 16:16:45 | |
| 0001437749-23-005972.txt | 2023-03-09 16:16:45 | |
 0001437749-23-005972-xbrl.zip | 20956 | 2023-03-09 16:16:45 |
 a01.jpg | 4481 | 2023-03-09 16:16:45 |
| ex_485968.htm | 164703 | 2023-03-09 16:16:45 |
| FilingSummary.xml | 1764 | 2023-03-09 16:16:45 |
| Financial_Report.xlsx | 5695 | 2023-03-09 16:16:45 |
| MetaLinks.json | 19419 | 2023-03-09 16:16:45 |
| R1.htm | 38354 | 2023-03-09 16:16:45 |
| report.css | 2767 | 2023-03-09 16:16:45 |
| sfe-20230309.xsd | 3592 | 2023-03-09 16:16:45 |
| sfe-20230309_def.xml | 11528 | 2023-03-09 16:16:45 |
| sfe-20230309_lab.xml | 15413 | 2023-03-09 16:16:45 |
| sfe-20230309_pre.xml | 11684 | 2023-03-09 16:16:45 |
| sfe20230308_8k.htm | 22631 | 2023-03-09 16:16:45 |
| sfe20230308_8k_htm.xml | 2566 | 2023-03-09 16:16:45 |
| Show.js | 1085 | 2023-03-09 16:16:45 |