Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000086115-13-000049-index-headers.html | 2013-10-25 13:46:58 | |
| 0000086115-13-000049-index.html | 2013-10-25 13:46:58 | |
| 0000086115-13-000049.txt | 2013-10-25 13:46:58 | |
 0000086115-13-000049-xbrl.zip | 156309 | 2013-10-25 13:46:58 |
| FilingSummary.xml | 24523 | 2013-10-25 13:46:58 |
| Financial_Report.xls | 789280 | 2013-10-25 13:46:58 |
| Financial_Report.xlsx | 124162 | 2013-10-25 13:46:58 |
| R1.htm | 28873 | 2013-10-25 13:46:58 |
| R10.htm | 19366 | 2013-10-25 13:46:58 |
| R11.htm | 102289 | 2013-10-25 13:46:58 |
| R12.htm | 37979 | 2013-10-25 13:46:58 |
| R13.htm | 36698 | 2013-10-25 13:46:58 |
| R14.htm | 9358 | 2013-10-25 13:46:58 |
| R15.htm | 31429 | 2013-10-25 13:46:58 |
| R16.htm | 46040 | 2013-10-25 13:46:58 |
| R17.htm | 15742 | 2013-10-25 13:46:58 |
| R18.htm | 41821 | 2013-10-25 13:46:58 |
| R19.htm | 89114 | 2013-10-25 13:46:58 |
| R2.htm | 127737 | 2013-10-25 13:46:58 |
| R20.htm | 17687 | 2013-10-25 13:46:58 |
| R21.htm | 19151 | 2013-10-25 13:46:58 |
| R22.htm | 23393 | 2013-10-25 13:46:58 |
| R23.htm | 150858 | 2013-10-25 13:46:58 |
| R24.htm | 34279 | 2013-10-25 13:46:58 |
| R25.htm | 15603 | 2013-10-25 13:46:58 |
| R26.htm | 15302 | 2013-10-25 13:46:58 |
| R27.htm | 43821 | 2013-10-25 13:46:58 |
| R28.htm | 77315 | 2013-10-25 13:46:58 |
| R29.htm | 32033 | 2013-10-25 13:46:58 |
| R3.htm | 26944 | 2013-10-25 13:46:58 |
| R30.htm | 15461 | 2013-10-25 13:46:58 |
| R31.htm | 78179 | 2013-10-25 13:46:58 |
| R32.htm | 29662 | 2013-10-25 13:46:58 |
| R33.htm | 8802 | 2013-10-25 13:46:58 |
| R34.htm | 25856 | 2013-10-25 13:46:58 |
| R35.htm | 9670 | 2013-10-25 13:46:58 |
| R36.htm | 54880 | 2013-10-25 13:46:58 |
| R37.htm | 7180 | 2013-10-25 13:46:58 |
| R38.htm | 14897 | 2013-10-25 13:46:58 |
| R39.htm | 21884 | 2013-10-25 13:46:58 |
| R4.htm | 44828 | 2013-10-25 13:46:58 |
| R40.htm | 12462 | 2013-10-25 13:46:58 |
| R41.htm | 21169 | 2013-10-25 13:46:58 |
| R42.htm | 5040 | 2013-10-25 13:46:58 |
| R43.htm | 42270 | 2013-10-25 13:46:58 |
| R44.htm | 48132 | 2013-10-25 13:46:58 |
| R5.htm | 27685 | 2013-10-25 13:46:58 |
| R6.htm | 69888 | 2013-10-25 13:46:58 |
| R7.htm | 45304 | 2013-10-25 13:46:58 |
| R8.htm | 12251 | 2013-10-25 13:46:58 |
| R9.htm | 42479 | 2013-10-25 13:46:58 |
| report.css | 2740 | 2013-10-25 13:46:58 |
| sfe-20130930.xml | 1004353 | 2013-10-25 13:46:58 |
| sfe-20130930.xsd | 47798 | 2013-10-25 13:46:58 |
| sfe-20130930_cal.xml | 50286 | 2013-10-25 13:46:58 |
| sfe-20130930_def.xml | 229762 | 2013-10-25 13:46:58 |
| sfe-20130930_lab.xml | 522516 | 2013-10-25 13:46:58 |
| sfe-20130930_pre.xml | 319844 | 2013-10-25 13:46:58 |
| sfe-2013930x10q.htm | 992216 | 2013-10-25 13:46:58 |
| sfe-2013930xex311.htm | 21783 | 2013-10-25 13:46:58 |
| sfe-2013930xex312.htm | 21913 | 2013-10-25 13:46:58 |
| sfe-2013930xex321.htm | 7561 | 2013-10-25 13:46:58 |
| sfe-2013930xex322.htm | 7588 | 2013-10-25 13:46:58 |
| Show.js | 1410 | 2013-10-25 13:46:58 |