Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001437749-20-022571-index-headers.html | 2020-11-04 19:06:17 | |
| 0001437749-20-022571-index.html | 2020-11-04 19:06:17 | |
| 0001437749-20-022571.txt | 2020-11-04 19:06:17 | |
 0001437749-20-022571-xbrl.zip | 21697 | 2020-11-04 19:06:17 |
| ex_211838.htm | 192451 | 2020-11-04 19:06:17 |
| FilingSummary.xml | 1757 | 2020-11-04 19:06:17 |
| Financial_Report.xlsx | 5469 | 2020-11-04 19:06:17 |
 logo1.jpg | 564172 | 2020-11-04 19:06:17 |
| MetaLinks.json | 19848 | 2020-11-04 19:06:17 |
| R1.htm | 40425 | 2020-11-04 19:06:17 |
| report.css | 2767 | 2020-11-04 19:06:17 |
| sfe-20201104.xsd | 3692 | 2020-11-04 19:06:17 |
| sfe-20201104_def.xml | 11972 | 2020-11-04 19:06:17 |
| sfe-20201104_lab.xml | 16020 | 2020-11-04 19:06:17 |
| sfe-20201104_pre.xml | 12181 | 2020-11-04 19:06:17 |
| sfe20201104_8k.htm | 27554 | 2020-11-04 19:06:17 |
| sfe20201104_8k_htm.xml | 2671 | 2020-11-04 19:06:17 |
| Show.js | 1085 | 2020-11-04 19:06:17 |