Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001437749-20-008895-index-headers.html | 2020-04-30 06:07:59 | |
| 0001437749-20-008895-index.html | 2020-04-30 06:07:59 | |
| 0001437749-20-008895.txt | 2020-04-30 06:07:59 | |
 0001437749-20-008895-xbrl.zip | 20045 | 2020-04-30 06:07:59 |
| ex_183550.htm | 151517 | 2020-04-30 06:07:59 |
| FilingSummary.xml | 1760 | 2020-04-30 06:07:59 |
| Financial_Report.xlsx | 5816 | 2020-04-30 06:07:59 |
 logo.jpg | 566078 | 2020-04-30 06:07:59 |
| MetaLinks.json | 19851 | 2020-04-30 06:07:59 |
| R1.htm | 40420 | 2020-04-30 06:07:59 |
| report.css | 2767 | 2020-04-30 06:07:59 |
| sfe-20200430.xsd | 3691 | 2020-04-30 06:07:59 |
| sfe-20200430_def.xml | 11972 | 2020-04-30 06:07:59 |
| sfe-20200430_lab.xml | 16020 | 2020-04-30 06:07:59 |
| sfe-20200430_pre.xml | 12181 | 2020-04-30 06:07:59 |
| sfe20200429b_8k.htm | 27891 | 2020-04-30 06:07:59 |
| sfe20200429b_8k_htm.xml | 2671 | 2020-04-30 06:07:59 |
| Show.js | 1085 | 2020-04-30 06:07:59 |