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| 0001193125-15-094152-index.html | 2015-03-16 18:02:43 | |
| 0001193125-15-094152.txt | 2015-03-16 18:02:43 | |
 0001193125-15-094152-xbrl.zip | 60596 | 2015-03-16 18:02:43 |
 BarChart1.jpg | 10950 | 2015-03-16 18:02:43 |
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| d881052d497.htm | 3334 | 2015-03-16 18:02:43 |
| FilingSummary.xml | 4313 | 2015-03-16 18:02:43 |
| Financial_Report.xls | 189044 | 2015-03-16 18:02:43 |
| Financial_Report.xlsx | 77288 | 2015-03-16 18:02:43 |
| ist1-20150302.xml | 84235 | 2015-03-16 18:02:43 |
| ist1-20150302.xsd | 14409 | 2015-03-16 18:02:43 |
| ist1-20150302_cal.xml | 4885 | 2015-03-16 18:02:43 |
| ist1-20150302_def.xml | 462496 | 2015-03-16 18:02:43 |
| ist1-20150302_lab.xml | 144255 | 2015-03-16 18:02:43 |
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| R13.htm | 226888 | 2015-03-16 18:02:43 |
| R14.htm | 9989 | 2015-03-16 18:02:43 |
| R2.htm | 89110 | 2015-03-16 18:02:43 |
| R7.htm | 191412 | 2015-03-16 18:02:43 |
| R8.htm | 105628 | 2015-03-16 18:02:43 |
| report.css | 2739 | 2015-03-16 18:02:43 |
| Show.js | 1410 | 2015-03-16 18:02:43 |