Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001437749-20-008131-index-headers.html | 2020-04-21 16:31:45 | |
| 0001437749-20-008131-index.html | 2020-04-21 16:31:45 | |
| 0001437749-20-008131.txt | 2020-04-21 16:31:45 | |
 0001437749-20-008131-xbrl.zip | 18914 | 2020-04-21 16:31:45 |
| ex_182144.htm | 42327 | 2020-04-21 16:31:45 |
| FilingSummary.xml | 1760 | 2020-04-21 16:31:45 |
| Financial_Report.xlsx | 5814 | 2020-04-21 16:31:45 |
| MetaLinks.json | 19847 | 2020-04-21 16:31:45 |
| R1.htm | 40420 | 2020-04-21 16:31:45 |
| report.css | 2767 | 2020-04-21 16:31:45 |
| sfe-20200420.xsd | 3691 | 2020-04-21 16:31:45 |
| sfe-20200420_def.xml | 11972 | 2020-04-21 16:31:45 |
| sfe-20200420_lab.xml | 16020 | 2020-04-21 16:31:45 |
| sfe-20200420_pre.xml | 12181 | 2020-04-21 16:31:45 |
| sfe20200421b_8k.htm | 30955 | 2020-04-21 16:31:45 |
| sfe20200421b_8k_htm.xml | 2671 | 2020-04-21 16:31:45 |
| Show.js | 1085 | 2020-04-21 16:31:45 |