Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000090168-21-000031-index-headers.html | 2021-08-06 16:04:32 | |
| 0000090168-21-000031-index.html | 2021-08-06 16:04:32 | |
| 0000090168-21-000031.txt | 2021-08-06 16:04:32 | |
 0000090168-21-000031-xbrl.zip | 20398 | 2021-08-06 16:04:32 |
| ex991sif06302021pressrelea.htm | 147502 | 2021-08-06 16:04:32 |
| FilingSummary.xml | 1635 | 2021-08-06 16:04:32 |
| Financial_Report.xlsx | 5660 | 2021-08-06 16:04:32 |
| MetaLinks.json | 16868 | 2021-08-06 16:04:32 |
| R1.htm | 39615 | 2021-08-06 16:04:32 |
| report.css | 2767 | 2021-08-06 16:04:32 |
| Show.js | 1085 | 2021-08-06 16:04:32 |
| sif-20210806.htm | 39086 | 2021-08-06 16:04:32 |
| sif-20210806.xsd | 1890 | 2021-08-06 16:04:32 |
| sif-20210806_htm.xml | 11603 | 2021-08-06 16:04:32 |
| sif-20210806_lab.xml | 23970 | 2021-08-06 16:04:32 |
| sif-20210806_pre.xml | 12631 | 2021-08-06 16:04:32 |
 sifcoa11a.jpg | 23858 | 2021-08-06 16:04:32 |