Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001683863-20-001019-index-headers.html | 2020-03-26 19:41:25 | |
| 0001683863-20-001019-index.html | 2020-03-26 19:41:25 | |
| 0001683863-20-001019.txt | 2020-03-26 19:41:25 | |
 0001683863-20-001019-xbrl.zip | 27314 | 2020-03-26 19:41:25 |
| f2710d1.htm | 13772 | 2020-03-26 19:41:25 |
| FilingSummary.xml | 3416 | 2020-03-26 19:41:25 |
| Financial_Report.xlsx | 8593 | 2020-03-26 19:41:25 |
 g202003251611063820.jpg | 4043 | 2020-03-26 19:41:25 |
| isust-20200309.xml | 66296 | 2020-03-26 19:41:25 |
| isust-20200309.xsd | 10218 | 2020-03-26 19:41:25 |
| isust-20200309_def.xml | 101665 | 2020-03-26 19:41:25 |
| isust-20200309_lab.xml | 171505 | 2020-03-26 19:41:25 |
| isust-20200309_pre.xml | 90852 | 2020-03-26 19:41:25 |
| R1.htm | 18252 | 2020-03-26 19:41:25 |
| R2.htm | 4696 | 2020-03-26 19:41:25 |
| R3.htm | 88985 | 2020-03-26 19:41:25 |
| R4.htm | 7485 | 2020-03-26 19:41:25 |
| report.css | 2767 | 2020-03-26 19:41:25 |
| Show.js | 1084 | 2020-03-26 19:41:25 |