Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001437749-21-025299-index-headers.html | 2021-11-04 16:31:21 | |
| 0001437749-21-025299-index.html | 2021-11-04 16:31:21 | |
| 0001437749-21-025299.txt | 2021-11-04 16:31:21 | |
 0001437749-21-025299-xbrl.zip | 20792 | 2021-11-04 16:31:21 |
| ex_302651.htm | 157195 | 2021-11-04 16:31:21 |
| FilingSummary.xml | 1751 | 2021-11-04 16:31:21 |
| Financial_Report.xlsx | 5668 | 2021-11-04 16:31:21 |
 logo.jpg | 4583 | 2021-11-04 16:31:21 |
| MetaLinks.json | 18829 | 2021-11-04 16:31:21 |
| R1.htm | 38835 | 2021-11-04 16:31:21 |
| report.css | 2767 | 2021-11-04 16:31:21 |
| sfe-20211104.xsd | 3585 | 2021-11-04 16:31:21 |
| sfe-20211104_def.xml | 11421 | 2021-11-04 16:31:21 |
| sfe-20211104_lab.xml | 15310 | 2021-11-04 16:31:21 |
| sfe-20211104_pre.xml | 11581 | 2021-11-04 16:31:21 |
| sfe20211104_8k.htm | 23444 | 2021-11-04 16:31:21 |
| sfe20211104_8k_htm.xml | 2562 | 2021-11-04 16:31:21 |
| Show.js | 1085 | 2021-11-04 16:31:21 |