Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001683863-20-002349-index-headers.html | 2020-04-06 20:17:47 | |
| 0001683863-20-002349-index.html | 2020-04-06 20:17:47 | |
| 0001683863-20-002349.txt | 2020-04-06 20:17:47 | |
 0001683863-20-002349-xbrl.zip | 23336 | 2020-04-06 20:17:47 |
| f2980d1.htm | 5658 | 2020-04-06 20:17:47 |
| FilingSummary.xml | 3454 | 2020-04-06 20:17:47 |
| Financial_Report.xlsx | 7623 | 2020-04-06 20:17:47 |
 g6d9acepmzmhqmqjuxwrc.jpg | 43431 | 2020-04-06 20:17:47 |
| ist-20200320.xml | 8546 | 2020-04-06 20:17:47 |
| ist-20200320.xsd | 3920 | 2020-04-06 20:17:47 |
| ist-20200320_def.xml | 91301 | 2020-04-06 20:17:47 |
| ist-20200320_lab.xml | 127944 | 2020-04-06 20:17:47 |
| ist-20200320_pre.xml | 78823 | 2020-04-06 20:17:47 |
| R1.htm | 18239 | 2020-04-06 20:17:47 |
| R2.htm | 4946 | 2020-04-06 20:17:47 |
| R3.htm | 14851 | 2020-04-06 20:17:47 |
| R4.htm | 7474 | 2020-04-06 20:17:47 |
| report.css | 2767 | 2020-04-06 20:17:47 |
| Show.js | 1085 | 2020-04-06 20:17:47 |