Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001437749-21-016816-index-headers.html | 2021-07-13 08:30:40 | |
| 0001437749-21-016816-index.html | 2021-07-13 08:30:40 | |
| 0001437749-21-016816.txt | 2021-07-13 08:30:40 | |
 0001437749-21-016816-xbrl.zip | 13285 | 2021-07-13 08:30:40 |
| ex_263248.htm | 12291 | 2021-07-13 08:30:40 |
| FilingSummary.xml | 1757 | 2021-07-13 08:30:40 |
| Financial_Report.xlsx | 5697 | 2021-07-13 08:30:40 |
| MetaLinks.json | 19849 | 2021-07-13 08:30:40 |
| R1.htm | 40409 | 2021-07-13 08:30:40 |
| report.css | 2767 | 2021-07-13 08:30:40 |
| sfe-20210713.xsd | 3694 | 2021-07-13 08:30:40 |
| sfe-20210713_def.xml | 11973 | 2021-07-13 08:30:40 |
| sfe-20210713_lab.xml | 16021 | 2021-07-13 08:30:40 |
| sfe-20210713_pre.xml | 12182 | 2021-07-13 08:30:40 |
| sfe20210712_8k.htm | 25444 | 2021-07-13 08:30:40 |
| sfe20210712_8k_htm.xml | 2656 | 2021-07-13 08:30:40 |
| Show.js | 1085 | 2021-07-13 08:30:40 |