Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001104659-21-112229-index-headers.html | 2021-09-02 07:14:03 | |
| 0001104659-21-112229-index.html | 2021-09-02 07:14:03 | |
| 0001104659-21-112229.txt | 2021-09-02 07:14:03 | |
 0001104659-21-112229-xbrl.zip | 15346 | 2021-09-02 07:14:03 |
| FilingSummary.xml | 1638 | 2021-09-02 07:14:03 |
| Financial_Report.xlsx | 5697 | 2021-09-02 07:14:03 |
| MetaLinks.json | 38698 | 2021-09-02 07:14:03 |
| R1.htm | 40151 | 2021-09-02 07:14:03 |
| report.css | 2767 | 2021-09-02 07:14:03 |
| sfe-20210902.xsd | 3188 | 2021-09-02 07:14:03 |
| sfe-20210902_lab.xml | 34593 | 2021-09-02 07:14:03 |
| sfe-20210902_pre.xml | 22713 | 2021-09-02 07:14:03 |
| Show.js | 1084 | 2021-09-02 07:14:03 |
| tm2126661d1_8k.htm | 23986 | 2021-09-02 07:14:03 |
| tm2126661d1_8k_htm.xml | 3607 | 2021-09-02 07:14:03 |
| tm2126661d1_ex99-1.htm | 15166 | 2021-09-02 07:14:03 |