Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001437749-23-006317-index-headers.html | 2023-03-13 11:09:39 | |
| 0001437749-23-006317-index.html | 2023-03-13 11:09:39 | |
| 0001437749-23-006317.txt | 2023-03-13 11:09:39 | |
 0001437749-23-006317-xbrl.zip | 12745 | 2023-03-13 11:09:39 |
| ex_487652.htm | 11475 | 2023-03-13 11:09:39 |
| FilingSummary.xml | 1764 | 2023-03-13 11:09:39 |
| Financial_Report.xlsx | 5693 | 2023-03-13 11:09:39 |
| MetaLinks.json | 19419 | 2023-03-13 11:09:39 |
| R1.htm | 38353 | 2023-03-13 11:09:39 |
| report.css | 2767 | 2023-03-13 11:09:39 |
| sfe-20230313.xsd | 3593 | 2023-03-13 11:09:39 |
| sfe-20230313_def.xml | 11529 | 2023-03-13 11:09:39 |
| sfe-20230313_lab.xml | 15414 | 2023-03-13 11:09:39 |
| sfe-20230313_pre.xml | 11685 | 2023-03-13 11:09:39 |
| sfe20230312_8k.htm | 23316 | 2023-03-13 11:09:39 |
| sfe20230312_8k_htm.xml | 2566 | 2023-03-13 11:09:39 |
| Show.js | 1085 | 2023-03-13 11:09:39 |