Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000090168-22-000032-index-headers.html | 2022-08-15 16:10:50 | |
| 0000090168-22-000032-index.html | 2022-08-15 16:10:50 | |
| 0000090168-22-000032.txt | 2022-08-15 16:10:50 | |
 0000090168-22-000032-xbrl.zip | 195111 | 2022-08-15 16:10:50 |
| exhibit3112022q3.htm | 11100 | 2022-08-15 16:10:50 |
| exhibit3122022q3.htm | 11045 | 2022-08-15 16:10:50 |
| exhibit3212022q3.htm | 6011 | 2022-08-15 16:10:50 |
| exhibit3222022q3.htm | 6025 | 2022-08-15 16:10:50 |
| FilingSummary.xml | 26026 | 2022-08-15 16:10:50 |
| Financial_Report.xlsx | 63076 | 2022-08-15 16:10:50 |
| MetaLinks.json | 510080 | 2022-08-15 16:10:50 |
| R1.htm | 50169 | 2022-08-15 16:10:50 |
| R10.htm | 12510 | 2022-08-15 16:10:50 |
| R11.htm | 11175 | 2022-08-15 16:10:50 |
| R12.htm | 124525 | 2022-08-15 16:10:50 |
| R13.htm | 33436 | 2022-08-15 16:10:50 |
| R14.htm | 7806 | 2022-08-15 16:10:50 |
| R15.htm | 26244 | 2022-08-15 16:10:50 |
| R16.htm | 9109 | 2022-08-15 16:10:50 |
| R17.htm | 55098 | 2022-08-15 16:10:50 |
| R18.htm | 17941 | 2022-08-15 16:10:50 |
| R19.htm | 31012 | 2022-08-15 16:10:50 |
| R2.htm | 81938 | 2022-08-15 16:10:50 |
| R20.htm | 11840 | 2022-08-15 16:10:50 |
| R21.htm | 10640 | 2022-08-15 16:10:50 |
| R22.htm | 80490 | 2022-08-15 16:10:50 |
| R23.htm | 31121 | 2022-08-15 16:10:50 |
| R24.htm | 21361 | 2022-08-15 16:10:50 |
| R25.htm | 52237 | 2022-08-15 16:10:50 |
| R26.htm | 47119 | 2022-08-15 16:10:50 |
| R27.htm | 10720 | 2022-08-15 16:10:50 |
| R28.htm | 6182 | 2022-08-15 16:10:50 |
| R29.htm | 15727 | 2022-08-15 16:10:50 |
| R3.htm | 26581 | 2022-08-15 16:10:50 |
| R30.htm | 14614 | 2022-08-15 16:10:50 |
| R31.htm | 26070 | 2022-08-15 16:10:50 |
| R32.htm | 13114 | 2022-08-15 16:10:50 |
| R33.htm | 13317 | 2022-08-15 16:10:50 |
| R34.htm | 39733 | 2022-08-15 16:10:50 |
| R35.htm | 22179 | 2022-08-15 16:10:50 |
| R36.htm | 91127 | 2022-08-15 16:10:50 |
| R37.htm | 20331 | 2022-08-15 16:10:50 |
| R38.htm | 4383 | 2022-08-15 16:10:50 |
| R39.htm | 21271 | 2022-08-15 16:10:50 |
| R4.htm | 8799 | 2022-08-15 16:10:50 |
| R40.htm | 8563 | 2022-08-15 16:10:50 |
| R41.htm | 43386 | 2022-08-15 16:10:50 |
| R42.htm | 33161 | 2022-08-15 16:10:50 |
| R43.htm | 19130 | 2022-08-15 16:10:50 |
| R44.htm | 4292 | 2022-08-15 16:10:50 |
| R5.htm | 103375 | 2022-08-15 16:10:50 |
| R6.htm | 15237 | 2022-08-15 16:10:50 |
| R7.htm | 98617 | 2022-08-15 16:10:50 |
| R8.htm | 33042 | 2022-08-15 16:10:50 |
| R9.htm | 38457 | 2022-08-15 16:10:50 |
| report.css | 2767 | 2022-08-15 16:10:50 |
| Show.js | 1085 | 2022-08-15 16:10:50 |
| sif-20220630.htm | 1152668 | 2022-08-15 16:10:50 |
| sif-20220630.xsd | 34086 | 2022-08-15 16:10:50 |
| sif-20220630_cal.xml | 79818 | 2022-08-15 16:10:50 |
| sif-20220630_def.xml | 111445 | 2022-08-15 16:10:50 |
| sif-20220630_htm.xml | 972826 | 2022-08-15 16:10:50 |
| sif-20220630_lab.xml | 472630 | 2022-08-15 16:10:50 |
| sif-20220630_pre.xml | 283287 | 2022-08-15 16:10:50 |