Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000720672-12-000054-index-headers.html | 2012-02-28 14:42:13 | |
| 0000720672-12-000054-index.html | 2012-02-28 14:42:13 | |
| 0000720672-12-000054.txt | 2012-02-28 14:42:13 | |
 0000720672-12-000054-xbrl.zip | 198243 | 2012-02-28 14:42:13 |
| exv21w1.htm | 26793 | 2012-02-28 14:42:13 |
| exv23w1.htm | 2458 | 2012-02-28 14:42:13 |
| exv31w1.htm | 9016 | 2012-02-28 14:42:13 |
| exv31w2.htm | 9006 | 2012-02-28 14:42:13 |
| exv32w1.htm | 3421 | 2012-02-28 14:42:13 |
| exv32w2.htm | 3430 | 2012-02-28 14:42:13 |
| FilingSummary.xml | 49378 | 2012-02-28 14:42:13 |
| Financial_Report.xls | 2325875 | 2012-02-28 14:42:13 |
| formx10xk.htm | 4277092 | 2012-02-28 14:42:13 |
| 780078 | 2012-02-28 14:42:13 | |
| R1.htm | 37317 | 2012-02-28 14:42:13 |
| R10.htm | 29527 | 2012-02-28 14:42:13 |
| R11.htm | 452406 | 2012-02-28 14:42:13 |
| R12.htm | 39314 | 2012-02-28 14:42:13 |
| R13.htm | 187820 | 2012-02-28 14:42:13 |
| R14.htm | 111156 | 2012-02-28 14:42:13 |
| R15.htm | 21429 | 2012-02-28 14:42:13 |
| R16.htm | 78573 | 2012-02-28 14:42:13 |
| R17.htm | 11692 | 2012-02-28 14:42:13 |
| R18.htm | 42162 | 2012-02-28 14:42:13 |
| R19.htm | 68499 | 2012-02-28 14:42:13 |
| R2.htm | 172393 | 2012-02-28 14:42:13 |
| R20.htm | 19983 | 2012-02-28 14:42:13 |
| R21.htm | 26171 | 2012-02-28 14:42:13 |
| R22.htm | 21810 | 2012-02-28 14:42:13 |
| R23.htm | 56628 | 2012-02-28 14:42:13 |
| R24.htm | 58823 | 2012-02-28 14:42:13 |
| R25.htm | 16383 | 2012-02-28 14:42:13 |
| R26.htm | 21139 | 2012-02-28 14:42:13 |
| R27.htm | 111336 | 2012-02-28 14:42:13 |
| R28.htm | 69480 | 2012-02-28 14:42:13 |
| R29.htm | 31564 | 2012-02-28 14:42:13 |
| R3.htm | 37657 | 2012-02-28 14:42:13 |
| R30.htm | 32414 | 2012-02-28 14:42:13 |
| R31.htm | 23229 | 2012-02-28 14:42:13 |
| R32.htm | 23961 | 2012-02-28 14:42:13 |
| R33.htm | 9607 | 2012-02-28 14:42:13 |
| R34.htm | 71564 | 2012-02-28 14:42:13 |
| R35.htm | 17620 | 2012-02-28 14:42:13 |
| R36.htm | 18315 | 2012-02-28 14:42:13 |
| R37.htm | 29711 | 2012-02-28 14:42:13 |
| R38.htm | 34670 | 2012-02-28 14:42:13 |
| R39.htm | 203943 | 2012-02-28 14:42:13 |
| R4.htm | 98153 | 2012-02-28 14:42:13 |
| R40.htm | 19112 | 2012-02-28 14:42:13 |
| R41.htm | 65445 | 2012-02-28 14:42:13 |
| R42.htm | 14785 | 2012-02-28 14:42:13 |
| R43.htm | 54649 | 2012-02-28 14:42:13 |
| R44.htm | 17772 | 2012-02-28 14:42:13 |
| R45.htm | 50692 | 2012-02-28 14:42:13 |
| R46.htm | 13241 | 2012-02-28 14:42:13 |
| R47.htm | 26448 | 2012-02-28 14:42:13 |
| R48.htm | 35665 | 2012-02-28 14:42:13 |
| R49.htm | 88642 | 2012-02-28 14:42:13 |
| R5.htm | 59085 | 2012-02-28 14:42:13 |
| R50.htm | 16369 | 2012-02-28 14:42:13 |
| R51.htm | 16636 | 2012-02-28 14:42:13 |
| R52.htm | 18248 | 2012-02-28 14:42:13 |
| R53.htm | 22783 | 2012-02-28 14:42:13 |
| R54.htm | 29591 | 2012-02-28 14:42:13 |
| R55.htm | 18240 | 2012-02-28 14:42:13 |
| R56.htm | 26325 | 2012-02-28 14:42:13 |
| R57.htm | 55407 | 2012-02-28 14:42:13 |
| R58.htm | 24089 | 2012-02-28 14:42:13 |
| R59.htm | 14068 | 2012-02-28 14:42:13 |
| R6.htm | 232668 | 2012-02-28 14:42:13 |
| R60.htm | 26160 | 2012-02-28 14:42:13 |
| R61.htm | 4894 | 2012-02-28 14:42:13 |
| R62.htm | 25325 | 2012-02-28 14:42:13 |
| R63.htm | 11947 | 2012-02-28 14:42:13 |
| R64.htm | 26056 | 2012-02-28 14:42:13 |
| R65.htm | 37959 | 2012-02-28 14:42:13 |
| R66.htm | 25586 | 2012-02-28 14:42:13 |
| R67.htm | 25765 | 2012-02-28 14:42:13 |
| R68.htm | 8821 | 2012-02-28 14:42:13 |
| R69.htm | 10913 | 2012-02-28 14:42:13 |
| R7.htm | 23584 | 2012-02-28 14:42:13 |
| R70.htm | 8344 | 2012-02-28 14:42:13 |
| R71.htm | 13328 | 2012-02-28 14:42:13 |
| R72.htm | 16274 | 2012-02-28 14:42:13 |
| R73.htm | 26643 | 2012-02-28 14:42:13 |
| R74.htm | 16649 | 2012-02-28 14:42:13 |
| R75.htm | 9697 | 2012-02-28 14:42:13 |
| R76.htm | 25933 | 2012-02-28 14:42:13 |
| R77.htm | 20300 | 2012-02-28 14:42:13 |
| R78.htm | 17847 | 2012-02-28 14:42:13 |
| R79.htm | 16803 | 2012-02-28 14:42:13 |
| R8.htm | 48251 | 2012-02-28 14:42:13 |
| R80.htm | 15756 | 2012-02-28 14:42:13 |
| R81.htm | 6654 | 2012-02-28 14:42:13 |
| R82.htm | 14063 | 2012-02-28 14:42:13 |
| R83.htm | 39143 | 2012-02-28 14:42:13 |
| R84.htm | 42220 | 2012-02-28 14:42:13 |
| R85.htm | 14921 | 2012-02-28 14:42:13 |
| R86.htm | 17851 | 2012-02-28 14:42:13 |
| R87.htm | 44052 | 2012-02-28 14:42:13 |
| R9.htm | 14561 | 2012-02-28 14:42:13 |
| report.css | 2721 | 2012-02-28 14:42:13 |
 rimg1.jpg | 120841 | 2012-02-28 14:42:13 |
| sf-20111231.xml | 2520646 | 2012-02-28 14:42:13 |
| sf-20111231.xsd | 73999 | 2012-02-28 14:42:13 |
| sf-20111231_cal.xml | 89323 | 2012-02-28 14:42:13 |
| sf-20111231_def.xml | 96548 | 2012-02-28 14:42:13 |
| sf-20111231_lab.xml | 510179 | 2012-02-28 14:42:13 |
| sf-20111231_pre.xml | 400021 | 2012-02-28 14:42:13 |
| Show.js | 6423 | 2012-02-28 14:42:13 |