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|---|---|---|
 0001683863-20-010511-index-headers.html | 2020-06-03 17:43:42 | |
| 0001683863-20-010511-index.html | 2020-06-03 17:43:42 | |
| 0001683863-20-010511.txt | 2020-06-03 17:43:42 | |
 0001683863-20-010511-xbrl.zip | 38133 | 2020-06-03 17:43:42 |
| f5881d1.htm | 9395 | 2020-06-03 17:43:42 |
| FilingSummary.xml | 3498 | 2020-06-03 17:43:42 |
 g202005280125441190.jpg | 4043 | 2020-06-03 17:43:42 |
| ist-20200520.xml | 29556 | 2020-06-03 17:43:42 |
| ist-20200520.xsd | 7404 | 2020-06-03 17:43:42 |
| ist-20200520_cal.xml | 2824 | 2020-06-03 17:43:42 |
| ist-20200520_def.xml | 217629 | 2020-06-03 17:43:42 |
| ist-20200520_lab.xml | 139988 | 2020-06-03 17:43:42 |
| ist-20200520_pre.xml | 167234 | 2020-06-03 17:43:42 |
| R1.htm | 18235 | 2020-06-03 17:43:42 |
| R2.htm | 55261 | 2020-06-03 17:43:42 |
| R5.htm | 93026 | 2020-06-03 17:43:42 |
| R6.htm | 7472 | 2020-06-03 17:43:42 |
| report.css | 2767 | 2020-06-03 17:43:42 |
| Show.js | 1085 | 2020-06-03 17:43:42 |