Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001437749-21-019883-index-headers.html | 2021-08-13 16:15:49 | |
| 0001437749-21-019883-index.html | 2021-08-13 16:15:49 | |
| 0001437749-21-019883.txt | 2021-08-13 16:15:49 | |
 0001437749-21-019883-xbrl.zip | 18626 | 2021-08-13 16:15:49 |
| ex_275640.htm | 37998 | 2021-08-13 16:15:49 |
| FilingSummary.xml | 1751 | 2021-08-13 16:15:49 |
| Financial_Report.xlsx | 5668 | 2021-08-13 16:15:49 |
| MetaLinks.json | 18994 | 2021-08-13 16:15:49 |
| R1.htm | 38834 | 2021-08-13 16:15:49 |
| report.css | 2767 | 2021-08-13 16:15:49 |
| sfe-20210812.xsd | 3585 | 2021-08-13 16:15:49 |
| sfe-20210812_def.xml | 11421 | 2021-08-13 16:15:49 |
| sfe-20210812_lab.xml | 15310 | 2021-08-13 16:15:49 |
| sfe-20210812_pre.xml | 11581 | 2021-08-13 16:15:49 |
| sfe20210813_8k.htm | 23872 | 2021-08-13 16:15:49 |
| sfe20210813_8k_htm.xml | 2562 | 2021-08-13 16:15:49 |
| Show.js | 1085 | 2021-08-13 16:15:49 |