Parent Directory| Name | Size | Last Modified |
|---|---|---|
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| 0001437749-23-012573-index.html | 2023-05-04 16:11:13 | |
| 0001437749-23-012573.txt | 2023-05-04 16:11:13 | |
 0001437749-23-012573-xbrl.zip | 19504 | 2023-05-04 16:11:13 |
 a01.jpg | 3930 | 2023-05-04 16:11:13 |
| ex_513318.htm | 132200 | 2023-05-04 16:11:13 |
| FilingSummary.xml | 1764 | 2023-05-04 16:11:13 |
| Financial_Report.xlsx | 5693 | 2023-05-04 16:11:13 |
| MetaLinks.json | 19419 | 2023-05-04 16:11:13 |
| R1.htm | 38352 | 2023-05-04 16:11:13 |
| report.css | 2767 | 2023-05-04 16:11:13 |
| sfe-20230504.xsd | 3593 | 2023-05-04 16:11:13 |
| sfe-20230504_def.xml | 11529 | 2023-05-04 16:11:13 |
| sfe-20230504_lab.xml | 15414 | 2023-05-04 16:11:13 |
| sfe-20230504_pre.xml | 11685 | 2023-05-04 16:11:13 |
| sfe20230503_8k.htm | 23287 | 2023-05-04 16:11:13 |
| sfe20230503_8k_htm.xml | 2566 | 2023-05-04 16:11:13 |
| Show.js | 1085 | 2023-05-04 16:11:13 |