Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001683863-20-001014-index-headers.html | 2020-03-26 19:31:20 | |
| 0001683863-20-001014-index.html | 2020-03-26 19:31:20 | |
| 0001683863-20-001014.txt | 2020-03-26 19:31:20 | |
 0001683863-20-001014-xbrl.zip | 60330 | 2020-03-26 19:31:20 |
| f2698d1.htm | 83995 | 2020-03-26 19:31:20 |
| FilingSummary.xml | 3350 | 2020-03-26 19:31:20 |
| Financial_Report.xlsx | 19084 | 2020-03-26 19:31:20 |
 g202003251750218070.jpg | 4043 | 2020-03-26 19:31:20 |
| ist-20200309.xml | 997412 | 2020-03-26 19:31:20 |
| ist-20200309.xsd | 57456 | 2020-03-26 19:31:20 |
| ist-20200309_def.xml | 178572 | 2020-03-26 19:31:20 |
| ist-20200309_lab.xml | 492884 | 2020-03-26 19:31:20 |
| ist-20200309_pre.xml | 179193 | 2020-03-26 19:31:20 |
| R1.htm | 18243 | 2020-03-26 19:31:20 |
| R2.htm | 4693 | 2020-03-26 19:31:20 |
| R3.htm | 1282728 | 2020-03-26 19:31:20 |
| R4.htm | 7476 | 2020-03-26 19:31:20 |
| report.css | 2767 | 2020-03-26 19:31:20 |
| Show.js | 1085 | 2020-03-26 19:31:20 |