Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000090168-18-000025-index-headers.html | 2018-12-06 16:22:17 | |
| 0000090168-18-000025-index.html | 2018-12-06 16:22:17 | |
| 0000090168-18-000025.txt | 2018-12-06 16:22:17 | |
 0000090168-18-000025-xbrl.zip | 297135 | 2018-12-06 16:22:17 |
| exhibit21110k2018.htm | 10998 | 2018-12-06 16:22:17 |
| exhibit23110k2018.htm | 3454 | 2018-12-06 16:22:17 |
| exhibit31110k2018.htm | 13021 | 2018-12-06 16:22:17 |
| exhibit31210k2018.htm | 13573 | 2018-12-06 16:22:17 |
| exhibit32110k2018.htm | 7708 | 2018-12-06 16:22:17 |
| exhibit32210k2018.htm | 8427 | 2018-12-06 16:22:17 |
| FilingSummary.xml | 45207 | 2018-12-06 16:22:17 |
| Financial_Report.xlsx | 108716 | 2018-12-06 16:22:17 |
| R1.htm | 34003 | 2018-12-06 16:22:17 |
| R10.htm | 15036 | 2018-12-06 16:22:17 |
| R11.htm | 89140 | 2018-12-06 16:22:17 |
| R12.htm | 13685 | 2018-12-06 16:22:17 |
| R13.htm | 72115 | 2018-12-06 16:22:17 |
| R14.htm | 109834 | 2018-12-06 16:22:17 |
| R15.htm | 217583 | 2018-12-06 16:22:17 |
| R16.htm | 37884 | 2018-12-06 16:22:17 |
| R17.htm | 33531 | 2018-12-06 16:22:17 |
| R18.htm | 21358 | 2018-12-06 16:22:17 |
| R19.htm | 6465 | 2018-12-06 16:22:17 |
| R2.htm | 52891 | 2018-12-06 16:22:17 |
| R20.htm | 9500 | 2018-12-06 16:22:17 |
| R21.htm | 78750 | 2018-12-06 16:22:17 |
| R22.htm | 108716 | 2018-12-06 16:22:17 |
| R23.htm | 118699 | 2018-12-06 16:22:17 |
| R24.htm | 14451 | 2018-12-06 16:22:17 |
| R25.htm | 86247 | 2018-12-06 16:22:17 |
| R26.htm | 13173 | 2018-12-06 16:22:17 |
| R27.htm | 57364 | 2018-12-06 16:22:17 |
| R28.htm | 105798 | 2018-12-06 16:22:17 |
| R29.htm | 217901 | 2018-12-06 16:22:17 |
| R3.htm | 17803 | 2018-12-06 16:22:17 |
| R30.htm | 30626 | 2018-12-06 16:22:17 |
| R31.htm | 29182 | 2018-12-06 16:22:17 |
| R32.htm | 18993 | 2018-12-06 16:22:17 |
| R33.htm | 137488 | 2018-12-06 16:22:17 |
| R34.htm | 16811 | 2018-12-06 16:22:17 |
| R35.htm | 14488 | 2018-12-06 16:22:17 |
| R36.htm | 32322 | 2018-12-06 16:22:17 |
| R37.htm | 22882 | 2018-12-06 16:22:17 |
| R38.htm | 15887 | 2018-12-06 16:22:17 |
| R39.htm | 29503 | 2018-12-06 16:22:17 |
| R4.htm | 10161 | 2018-12-06 16:22:17 |
| R40.htm | 15236 | 2018-12-06 16:22:17 |
| R41.htm | 13431 | 2018-12-06 16:22:17 |
| R42.htm | 7357 | 2018-12-06 16:22:17 |
| R43.htm | 12891 | 2018-12-06 16:22:17 |
| R44.htm | 24067 | 2018-12-06 16:22:17 |
| R45.htm | 107194 | 2018-12-06 16:22:17 |
| R46.htm | 20304 | 2018-12-06 16:22:17 |
| R47.htm | 17562 | 2018-12-06 16:22:17 |
| R48.htm | 9340 | 2018-12-06 16:22:17 |
| R49.htm | 27079 | 2018-12-06 16:22:17 |
| R5.htm | 74582 | 2018-12-06 16:22:17 |
| R50.htm | 28740 | 2018-12-06 16:22:17 |
| R51.htm | 40954 | 2018-12-06 16:22:17 |
| R52.htm | 46402 | 2018-12-06 16:22:17 |
| R53.htm | 7519 | 2018-12-06 16:22:17 |
| R54.htm | 19083 | 2018-12-06 16:22:17 |
| R55.htm | 30943 | 2018-12-06 16:22:17 |
| R56.htm | 21516 | 2018-12-06 16:22:17 |
| R57.htm | 6443 | 2018-12-06 16:22:17 |
| R58.htm | 9124 | 2018-12-06 16:22:17 |
| R59.htm | 67090 | 2018-12-06 16:22:17 |
| R6.htm | 15134 | 2018-12-06 16:22:17 |
| R60.htm | 14272 | 2018-12-06 16:22:17 |
| R61.htm | 30481 | 2018-12-06 16:22:17 |
| R62.htm | 15458 | 2018-12-06 16:22:17 |
| R63.htm | 14272 | 2018-12-06 16:22:17 |
| R64.htm | 19629 | 2018-12-06 16:22:17 |
| R65.htm | 38265 | 2018-12-06 16:22:17 |
| R66.htm | 30853 | 2018-12-06 16:22:17 |
| R67.htm | 15456 | 2018-12-06 16:22:17 |
| R68.htm | 38985 | 2018-12-06 16:22:17 |
| R69.htm | 6783 | 2018-12-06 16:22:17 |
| R7.htm | 92233 | 2018-12-06 16:22:17 |
| R70.htm | 23986 | 2018-12-06 16:22:17 |
| R71.htm | 8815 | 2018-12-06 16:22:17 |
| R72.htm | 10764 | 2018-12-06 16:22:17 |
| R73.htm | 25039 | 2018-12-06 16:22:17 |
| R74.htm | 26900 | 2018-12-06 16:22:17 |
| R8.htm | 17816 | 2018-12-06 16:22:17 |
| R9.htm | 180887 | 2018-12-06 16:22:17 |
| report.css | 2767 | 2018-12-06 16:22:17 |
| Show.js | 1085 | 2018-12-06 16:22:17 |
| sif-20180930.xml | 2194987 | 2018-12-06 16:22:17 |
| sif-20180930.xsd | 63912 | 2018-12-06 16:22:17 |
| sif-20180930x10k.htm | 1432243 | 2018-12-06 16:22:17 |
| sif-20180930_cal.xml | 122462 | 2018-12-06 16:22:17 |
| sif-20180930_def.xml | 312947 | 2018-12-06 16:22:17 |
| sif-20180930_lab.xml | 974299 | 2018-12-06 16:22:17 |
| sif-20180930_pre.xml | 558598 | 2018-12-06 16:22:17 |