Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-23-029645-index-headers.html | 2023-06-23 16:18:34 | |
| 0000950170-23-029645-index.html | 2023-06-23 16:18:34 | |
| 0000950170-23-029645.txt | 2023-06-23 16:18:34 | |
 0000950170-23-029645-xbrl.zip | 212368 | 2023-06-23 16:18:34 |
| extr-20230622.htm | 73236 | 2023-06-23 16:18:34 |
| extr-20230622.xsd | 2495 | 2023-06-23 16:18:34 |
| extr-20230622_htm.xml | 4684 | 2023-06-23 16:18:34 |
| extr-20230622_lab.xml | 18514 | 2023-06-23 16:18:34 |
| extr-20230622_pre.xml | 11576 | 2023-06-23 16:18:34 |
| extr-ex10_1.htm | 2286328 | 2023-06-23 16:18:34 |
| FilingSummary.xml | 1750 | 2023-06-23 16:18:34 |
| Financial_Report.xlsx | 5703 | 2023-06-23 16:18:34 |
| MetaLinks.json | 20118 | 2023-06-23 16:18:34 |
| R1.htm | 39594 | 2023-06-23 16:18:34 |
| report.css | 2767 | 2023-06-23 16:18:34 |
| Show.js | 1084 | 2023-06-23 16:18:34 |