Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001683863-20-011175-index-headers.html | 2020-06-22 18:39:30 | |
| 0001683863-20-011175-index.html | 2020-06-22 18:39:30 | |
| 0001683863-20-011175.txt | 2020-06-22 18:39:30 | |
 0001683863-20-011175-xbrl.zip | 122216 | 2020-06-22 18:39:30 |
| f6130d1.htm | 85668 | 2020-06-22 18:39:30 |
| FilingSummary.xml | 7320 | 2020-06-22 18:39:30 |
| ist-20200608.xml | 182230 | 2020-06-22 18:39:30 |
| ist-20200608.xsd | 21783 | 2020-06-22 18:39:30 |
| ist-20200608_cal.xml | 4793 | 2020-06-22 18:39:30 |
| ist-20200608_def.xml | 841152 | 2020-06-22 18:39:30 |
| ist-20200608_lab.xml | 148534 | 2020-06-22 18:39:30 |
| ist-20200608_pre.xml | 649728 | 2020-06-22 18:39:30 |
| R1.htm | 18247 | 2020-06-22 18:39:30 |
| R10.htm | 71476 | 2020-06-22 18:39:30 |
| R13.htm | 113283 | 2020-06-22 18:39:30 |
| R14.htm | 71848 | 2020-06-22 18:39:30 |
| R17.htm | 113647 | 2020-06-22 18:39:30 |
| R18.htm | 7477 | 2020-06-22 18:39:30 |
| R2.htm | 71544 | 2020-06-22 18:39:30 |
| R5.htm | 113340 | 2020-06-22 18:39:30 |
| R6.htm | 70494 | 2020-06-22 18:39:30 |
| R9.htm | 112285 | 2020-06-22 18:39:30 |
| report.css | 2766 | 2020-06-22 18:39:30 |
| Show.js | 1084 | 2020-06-22 18:39:30 |