Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001437749-22-017828-index-headers.html | 2022-07-27 07:04:22 | |
| 0001437749-22-017828-index.html | 2022-07-27 07:04:22 | |
| 0001437749-22-017828.txt | 2022-07-27 07:04:22 | |
 0001437749-22-017828-xbrl.zip | 57734 | 2022-07-27 07:04:22 |
| ex_380390.htm | 1001770 | 2022-07-27 07:04:22 |
| FilingSummary.xml | 1772 | 2022-07-27 07:04:22 |
| Financial_Report.xlsx | 5687 | 2022-07-27 07:04:22 |
| istr-20220725.xsd | 3602 | 2022-07-27 07:04:22 |
| istr-20220725_def.xml | 11533 | 2022-07-27 07:04:22 |
| istr-20220725_lab.xml | 15415 | 2022-07-27 07:04:22 |
| istr-20220725_pre.xml | 11689 | 2022-07-27 07:04:22 |
| istr20220526_8k.htm | 28997 | 2022-07-27 07:04:22 |
| istr20220526_8k_htm.xml | 2559 | 2022-07-27 07:04:22 |
| MetaLinks.json | 18921 | 2022-07-27 07:04:22 |
| R1.htm | 38797 | 2022-07-27 07:04:22 |
| report.css | 2767 | 2022-07-27 07:04:22 |
| Show.js | 1085 | 2022-07-27 07:04:22 |