Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-15-220332-index-headers.html | 2015-06-11 13:45:41 | |
| 0001193125-15-220332-index.html | 2015-06-11 13:45:41 | |
| 0001193125-15-220332.txt | 2015-06-11 13:45:41 | |
 0001193125-15-220332-xbrl.zip | 40151 | 2015-06-11 13:45:41 |
| d931777d497.htm | 3043 | 2015-06-11 13:45:41 |
| FilingSummary.xml | 3099 | 2015-06-11 13:45:41 |
| Financial_Report.xls | 81884 | 2015-06-11 13:45:41 |
| Financial_Report.xlsx | 32274 | 2015-06-11 13:45:41 |
| ist-20150522.xml | 43003 | 2015-06-11 13:45:41 |
| ist-20150522.xsd | 8034 | 2015-06-11 13:45:41 |
| ist-20150522_cal.xml | 4136 | 2015-06-11 13:45:41 |
| ist-20150522_def.xml | 231541 | 2015-06-11 13:45:41 |
| ist-20150522_lab.xml | 132550 | 2015-06-11 13:45:41 |
| ist-20150522_pre.xml | 157199 | 2015-06-11 13:45:41 |
| R1.htm | 21869 | 2015-06-11 13:45:41 |
| R2.htm | 77106 | 2015-06-11 13:45:41 |
| R5.htm | 148012 | 2015-06-11 13:45:41 |
| R6.htm | 9986 | 2015-06-11 13:45:41 |
| report.css | 2739 | 2015-06-11 13:45:41 |
| Show.js | 1410 | 2015-06-11 13:45:41 |