Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001437749-20-017400-index-headers.html | 2020-08-11 06:07:18 | |
| 0001437749-20-017400-index.html | 2020-08-11 06:07:18 | |
| 0001437749-20-017400.txt | 2020-08-11 06:07:18 | |
 0001437749-20-017400-xbrl.zip | 21116 | 2020-08-11 06:07:18 |
| ex_198539.htm | 176704 | 2020-08-11 06:07:18 |
| FilingSummary.xml | 1757 | 2020-08-11 06:07:18 |
| Financial_Report.xlsx | 5467 | 2020-08-11 06:07:18 |
 logo.jpg | 566078 | 2020-08-11 06:07:18 |
| MetaLinks.json | 19848 | 2020-08-11 06:07:18 |
| R1.htm | 40424 | 2020-08-11 06:07:18 |
| report.css | 2767 | 2020-08-11 06:07:18 |
| sfe-20200811.xsd | 3692 | 2020-08-11 06:07:18 |
| sfe-20200811_def.xml | 11972 | 2020-08-11 06:07:18 |
| sfe-20200811_lab.xml | 16020 | 2020-08-11 06:07:18 |
| sfe-20200811_pre.xml | 12181 | 2020-08-11 06:07:18 |
| sfe20200810_8k.htm | 28074 | 2020-08-11 06:07:18 |
| sfe20200810_8k_htm.xml | 2671 | 2020-08-11 06:07:18 |
| Show.js | 1085 | 2020-08-11 06:07:18 |