Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001683863-20-002157-index-headers.html | 2020-04-03 19:14:16 | |
| 0001683863-20-002157-index.html | 2020-04-03 19:14:16 | |
| 0001683863-20-002157.txt | 2020-04-03 19:14:16 | |
 0001683863-20-002157-xbrl.zip | 24034 | 2020-04-03 19:14:16 |
| f3087d1.htm | 9987 | 2020-04-03 19:14:16 |
| FilingSummary.xml | 3414 | 2020-04-03 19:14:16 |
| Financial_Report.xlsx | 7695 | 2020-04-03 19:14:16 |
 g202004030048021810.jpg | 4043 | 2020-04-03 19:14:16 |
| isust-20200319.xml | 15046 | 2020-04-03 19:14:16 |
| isust-20200319.xsd | 4234 | 2020-04-03 19:14:16 |
| isust-20200319_def.xml | 91502 | 2020-04-03 19:14:16 |
| isust-20200319_lab.xml | 130629 | 2020-04-03 19:14:16 |
| isust-20200319_pre.xml | 79451 | 2020-04-03 19:14:16 |
| R1.htm | 18247 | 2020-04-03 19:14:16 |
| R2.htm | 5842 | 2020-04-03 19:14:16 |
| R3.htm | 22223 | 2020-04-03 19:14:16 |
| R4.htm | 7483 | 2020-04-03 19:14:16 |
| report.css | 2766 | 2020-04-03 19:14:16 |
| Show.js | 1085 | 2020-04-03 19:14:16 |