Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001437749-21-019698-index-headers.html | 2021-08-12 16:11:43 | |
| 0001437749-21-019698-index.html | 2021-08-12 16:11:43 | |
| 0001437749-21-019698.txt | 2021-08-12 16:11:43 | |
 0001437749-21-019698-xbrl.zip | 21214 | 2021-08-12 16:11:43 |
| ex_274986.htm | 175795 | 2021-08-12 16:11:43 |
| FilingSummary.xml | 1751 | 2021-08-12 16:11:43 |
| Financial_Report.xlsx | 5667 | 2021-08-12 16:11:43 |
 img01.jpg | 4583 | 2021-08-12 16:11:43 |
| MetaLinks.json | 18994 | 2021-08-12 16:11:43 |
| R1.htm | 38834 | 2021-08-12 16:11:43 |
| report.css | 2767 | 2021-08-12 16:11:43 |
| sfe-20210812.xsd | 3586 | 2021-08-12 16:11:43 |
| sfe-20210812_def.xml | 11422 | 2021-08-12 16:11:43 |
| sfe-20210812_lab.xml | 15311 | 2021-08-12 16:11:43 |
| sfe-20210812_pre.xml | 11582 | 2021-08-12 16:11:43 |
| sfe20210811_8k.htm | 22735 | 2021-08-12 16:11:43 |
| sfe20210811_8k_htm.xml | 2562 | 2021-08-12 16:11:43 |
| Show.js | 1085 | 2021-08-12 16:11:43 |