Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-23-014563-index-headers.html | 2023-04-26 07:10:41 | |
| 0000950170-23-014563-index.html | 2023-04-26 07:10:41 | |
| 0000950170-23-014563.txt | 2023-04-26 07:10:41 | |
 0000950170-23-014563-xbrl.zip | 44494 | 2023-04-26 07:10:41 |
| extr-20230426.htm | 57467 | 2023-04-26 07:10:41 |
| extr-20230426.xsd | 2495 | 2023-04-26 07:10:41 |
| extr-20230426_htm.xml | 4684 | 2023-04-26 07:10:41 |
| extr-20230426_lab.xml | 17742 | 2023-04-26 07:10:41 |
| extr-20230426_pre.xml | 11134 | 2023-04-26 07:10:41 |
| extr-ex99_1.htm | 1230747 | 2023-04-26 07:10:41 |
| FilingSummary.xml | 1750 | 2023-04-26 07:10:41 |
| Financial_Report.xlsx | 5704 | 2023-04-26 07:10:41 |
 img244230740_0.jpg | 28145 | 2023-04-26 07:10:41 |
| MetaLinks.json | 19440 | 2023-04-26 07:10:41 |
| R1.htm | 39594 | 2023-04-26 07:10:41 |
| report.css | 2767 | 2023-04-26 07:10:41 |
| Show.js | 1085 | 2023-04-26 07:10:41 |