Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000090168-23-000083-index-headers.html | 2023-12-29 17:53:23 | |
| 0000090168-23-000083-index.html | 2023-12-29 17:53:23 | |
| 0000090168-23-000083.txt | 2023-12-29 17:53:23 | |
 0000090168-23-000083-xbrl.zip | 364860 | 2023-12-29 17:53:23 |
| ex97policyfortherecoveryof.htm | 40393 | 2023-12-29 17:53:23 |
| exhibit21110k2023.htm | 5683 | 2023-12-29 17:53:23 |
| exhibit23110k2023.htm | 2588 | 2023-12-29 17:53:23 |
| exhibit23210k2023gt.htm | 2574 | 2023-12-29 17:53:23 |
| exhibit31110k2023.htm | 11011 | 2023-12-29 17:53:23 |
| exhibit31210k2023.htm | 11190 | 2023-12-29 17:53:23 |
| exhibit32110k2023.htm | 6144 | 2023-12-29 17:53:23 |
| exhibit32210k2023.htm | 6201 | 2023-12-29 17:53:23 |
| exhibit41descriptionofsecu.htm | 14615 | 2023-12-29 17:53:23 |
| FilingSummary.xml | 49749 | 2023-12-29 17:53:23 |
| Financial_Report.xlsx | 146157 | 2023-12-29 17:53:23 |
 image_0.jpg | 147 | 2023-12-29 17:53:23 |
| MetaLinks.json | 1104161 | 2023-12-29 17:53:23 |
| R1.htm | 64892 | 2023-12-29 17:53:23 |
| R10.htm | 13328 | 2023-12-29 17:53:23 |
| R11.htm | 55264 | 2023-12-29 17:53:23 |
| R12.htm | 12830 | 2023-12-29 17:53:23 |
| R13.htm | 54168 | 2023-12-29 17:53:23 |
| R14.htm | 46385 | 2023-12-29 17:53:23 |
| R15.htm | 78391 | 2023-12-29 17:53:23 |
| R16.htm | 149235 | 2023-12-29 17:53:23 |
| R17.htm | 28892 | 2023-12-29 17:53:23 |
| R18.htm | 110220 | 2023-12-29 17:53:23 |
| R19.htm | 8399 | 2023-12-29 17:53:23 |
| R2.htm | 8015 | 2023-12-29 17:53:23 |
| R20.htm | 19809 | 2023-12-29 17:53:23 |
| R21.htm | 8772 | 2023-12-29 17:53:23 |
| R22.htm | 8804 | 2023-12-29 17:53:23 |
| R23.htm | 47797 | 2023-12-29 17:53:23 |
| R24.htm | 93173 | 2023-12-29 17:53:23 |
| R25.htm | 79852 | 2023-12-29 17:53:23 |
| R26.htm | 11734 | 2023-12-29 17:53:23 |
| R27.htm | 59120 | 2023-12-29 17:53:23 |
| R28.htm | 12479 | 2023-12-29 17:53:23 |
| R29.htm | 40109 | 2023-12-29 17:53:23 |
| R3.htm | 77535 | 2023-12-29 17:53:23 |
| R30.htm | 42089 | 2023-12-29 17:53:23 |
| R31.htm | 80370 | 2023-12-29 17:53:23 |
| R32.htm | 142122 | 2023-12-29 17:53:23 |
| R33.htm | 21877 | 2023-12-29 17:53:23 |
| R34.htm | 73844 | 2023-12-29 17:53:23 |
| R35.htm | 14507 | 2023-12-29 17:53:23 |
| R36.htm | 112234 | 2023-12-29 17:53:23 |
| R37.htm | 16858 | 2023-12-29 17:53:23 |
| R38.htm | 34671 | 2023-12-29 17:53:23 |
| R39.htm | 36499 | 2023-12-29 17:53:23 |
| R4.htm | 28087 | 2023-12-29 17:53:23 |
| R40.htm | 31668 | 2023-12-29 17:53:23 |
| R41.htm | 10588 | 2023-12-29 17:53:23 |
| R42.htm | 13290 | 2023-12-29 17:53:23 |
| R43.htm | 25669 | 2023-12-29 17:53:23 |
| R44.htm | 13625 | 2023-12-29 17:53:23 |
| R45.htm | 6774 | 2023-12-29 17:53:23 |
| R46.htm | 11684 | 2023-12-29 17:53:23 |
| R47.htm | 13649 | 2023-12-29 17:53:23 |
| R48.htm | 28554 | 2023-12-29 17:53:23 |
| R49.htm | 164326 | 2023-12-29 17:53:23 |
| R5.htm | 103062 | 2023-12-29 17:53:23 |
| R50.htm | 20390 | 2023-12-29 17:53:23 |
| R51.htm | 30311 | 2023-12-29 17:53:23 |
| R52.htm | 32442 | 2023-12-29 17:53:23 |
| R53.htm | 19002 | 2023-12-29 17:53:23 |
| R54.htm | 8921 | 2023-12-29 17:53:23 |
| R55.htm | 11954 | 2023-12-29 17:53:23 |
| R56.htm | 29441 | 2023-12-29 17:53:23 |
| R57.htm | 26994 | 2023-12-29 17:53:23 |
| R58.htm | 40412 | 2023-12-29 17:53:23 |
| R59.htm | 32869 | 2023-12-29 17:53:23 |
| R6.htm | 22494 | 2023-12-29 17:53:23 |
| R60.htm | 7416 | 2023-12-29 17:53:23 |
| R61.htm | 35076 | 2023-12-29 17:53:23 |
| R62.htm | 28147 | 2023-12-29 17:53:23 |
| R63.htm | 34393 | 2023-12-29 17:53:23 |
| R64.htm | 21336 | 2023-12-29 17:53:23 |
| R65.htm | 9182 | 2023-12-29 17:53:23 |
| R66.htm | 90656 | 2023-12-29 17:53:23 |
| R67.htm | 14367 | 2023-12-29 17:53:23 |
| R68.htm | 30261 | 2023-12-29 17:53:23 |
| R69.htm | 14055 | 2023-12-29 17:53:23 |
| R7.htm | 104812 | 2023-12-29 17:53:23 |
| R70.htm | 44930 | 2023-12-29 17:53:23 |
| R71.htm | 29056 | 2023-12-29 17:53:23 |
| R72.htm | 13756 | 2023-12-29 17:53:23 |
| R73.htm | 25906 | 2023-12-29 17:53:23 |
| R74.htm | 15242 | 2023-12-29 17:53:23 |
| R75.htm | 13207 | 2023-12-29 17:53:23 |
| R76.htm | 40406 | 2023-12-29 17:53:23 |
| R77.htm | 17066 | 2023-12-29 17:53:23 |
| R78.htm | 31676 | 2023-12-29 17:53:23 |
| R79.htm | 8722 | 2023-12-29 17:53:23 |
| R8.htm | 20261 | 2023-12-29 17:53:23 |
| R80.htm | 10758 | 2023-12-29 17:53:23 |
| R81.htm | 51173 | 2023-12-29 17:53:23 |
| R82.htm | 26899 | 2023-12-29 17:53:23 |
| R9.htm | 130544 | 2023-12-29 17:53:23 |
| report.css | 2768 | 2023-12-29 17:53:23 |
| Show.js | 1086 | 2023-12-29 17:53:23 |
| sif-20230930.htm | 1753425 | 2023-12-29 17:53:23 |
| sif-20230930.xsd | 78835 | 2023-12-29 17:53:23 |
| sif-20230930_cal.xml | 126326 | 2023-12-29 17:53:23 |
| sif-20230930_def.xml | 338719 | 2023-12-29 17:53:23 |
| sif-20230930_htm.xml | 1757844 | 2023-12-29 17:53:23 |
| sif-20230930_lab.xml | 976343 | 2023-12-29 17:53:23 |
| sif-20230930_pre.xml | 629739 | 2023-12-29 17:53:23 |