Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000086115-16-000309-index-headers.html | 2016-10-28 11:48:14 | |
| 0000086115-16-000309-index.html | 2016-10-28 11:48:14 | |
| 0000086115-16-000309.txt | 2016-10-28 11:48:14 | |
 0000086115-16-000309-xbrl.zip | 123098 | 2016-10-28 11:48:14 |
| FilingSummary.xml | 25217 | 2016-10-28 11:48:14 |
| Financial_Report.xlsx | 50583 | 2016-10-28 11:48:14 |
| R1.htm | 21984 | 2016-10-28 11:48:14 |
| R10.htm | 15730 | 2016-10-28 11:48:14 |
| R11.htm | 53353 | 2016-10-28 11:48:14 |
| R12.htm | 11424 | 2016-10-28 11:48:14 |
| R13.htm | 32106 | 2016-10-28 11:48:14 |
| R14.htm | 6914 | 2016-10-28 11:48:14 |
| R15.htm | 43904 | 2016-10-28 11:48:14 |
| R16.htm | 40869 | 2016-10-28 11:48:14 |
| R17.htm | 11967 | 2016-10-28 11:48:14 |
| R18.htm | 9823 | 2016-10-28 11:48:14 |
| R19.htm | 34576 | 2016-10-28 11:48:14 |
| R2.htm | 69310 | 2016-10-28 11:48:14 |
| R20.htm | 47480 | 2016-10-28 11:48:14 |
| R21.htm | 21785 | 2016-10-28 11:48:14 |
| R22.htm | 37871 | 2016-10-28 11:48:14 |
| R23.htm | 34788 | 2016-10-28 11:48:14 |
| R24.htm | 10197 | 2016-10-28 11:48:14 |
| R25.htm | 17353 | 2016-10-28 11:48:14 |
| R26.htm | 62753 | 2016-10-28 11:48:14 |
| R27.htm | 110236 | 2016-10-28 11:48:14 |
| R28.htm | 29452 | 2016-10-28 11:48:14 |
| R29.htm | 7130 | 2016-10-28 11:48:14 |
| R3.htm | 14784 | 2016-10-28 11:48:14 |
| R30.htm | 27953 | 2016-10-28 11:48:14 |
| R31.htm | 18133 | 2016-10-28 11:48:14 |
| R32.htm | 8527 | 2016-10-28 11:48:14 |
| R33.htm | 49907 | 2016-10-28 11:48:14 |
| R34.htm | 5232 | 2016-10-28 11:48:14 |
| R35.htm | 19314 | 2016-10-28 11:48:14 |
| R36.htm | 18257 | 2016-10-28 11:48:14 |
| R37.htm | 3971 | 2016-10-28 11:48:14 |
| R38.htm | 65770 | 2016-10-28 11:48:14 |
| R39.htm | 34090 | 2016-10-28 11:48:14 |
| R4.htm | 39872 | 2016-10-28 11:48:14 |
| R40.htm | 12696 | 2016-10-28 11:48:14 |
| R41.htm | 10512 | 2016-10-28 11:48:14 |
| R5.htm | 42016 | 2016-10-28 11:48:14 |
| R6.htm | 47197 | 2016-10-28 11:48:14 |
| R7.htm | 10662 | 2016-10-28 11:48:14 |
| R8.htm | 13970 | 2016-10-28 11:48:14 |
| R9.htm | 41117 | 2016-10-28 11:48:14 |
| report.css | 2767 | 2016-10-28 11:48:14 |
| sfe-20160930.xml | 651971 | 2016-10-28 11:48:14 |
| sfe-20160930.xsd | 37951 | 2016-10-28 11:48:14 |
| sfe-20160930_cal.xml | 43824 | 2016-10-28 11:48:14 |
| sfe-20160930_def.xml | 167308 | 2016-10-28 11:48:14 |
| sfe-20160930_lab.xml | 443146 | 2016-10-28 11:48:14 |
| sfe-20160930_pre.xml | 256346 | 2016-10-28 11:48:14 |
| sfe-2016xq3.htm | 706637 | 2016-10-28 11:48:14 |
| sfe-2016xq3xex311.htm | 22949 | 2016-10-28 11:48:14 |
| sfe-2016xq3xex312.htm | 23079 | 2016-10-28 11:48:14 |
| sfe-2016xq3xex321.htm | 8946 | 2016-10-28 11:48:14 |
| sfe-2016xq3xex322.htm | 8973 | 2016-10-28 11:48:14 |
| Show.js | 1410 | 2016-10-28 11:48:14 |