Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-15-153608-index-headers.html | 2015-04-28 19:29:40 | |
| 0001193125-15-153608-index.html | 2015-04-28 19:29:40 | |
| 0001193125-15-153608.txt | 2015-04-28 19:29:40 | |
 0001193125-15-153608-xbrl.zip | 35920 | 2015-04-28 19:29:40 |
| d912163d485bpos.htm | 31394 | 2015-04-28 19:29:40 |
| FilingSummary.xml | 3084 | 2015-04-28 19:29:40 |
| Financial_Report.xls | 50263 | 2015-04-28 19:29:40 |
| Financial_Report.xlsx | 23789 | 2015-04-28 19:29:40 |
| ist4-20150420.xml | 24710 | 2015-04-28 19:29:40 |
| ist4-20150420.xsd | 7951 | 2015-04-28 19:29:40 |
| ist4-20150420_cal.xml | 4858 | 2015-04-28 19:29:40 |
| ist4-20150420_def.xml | 230687 | 2015-04-28 19:29:40 |
| ist4-20150420_lab.xml | 131112 | 2015-04-28 19:29:40 |
| ist4-20150420_pre.xml | 155888 | 2015-04-28 19:29:40 |
| R1.htm | 21872 | 2015-04-28 19:29:40 |
| R2.htm | 62214 | 2015-04-28 19:29:40 |
| R5.htm | 104461 | 2015-04-28 19:29:40 |
| R6.htm | 9986 | 2015-04-28 19:29:40 |
| report.css | 2739 | 2015-04-28 19:29:40 |
| Show.js | 1410 | 2015-04-28 19:29:40 |