Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001564590-22-035354-index-headers.html | 2022-10-27 07:14:32 | |
| 0001564590-22-035354-index.html | 2022-10-27 07:14:32 | |
| 0001564590-22-035354.txt | 2022-10-27 07:14:32 | |
 0001564590-22-035354-xbrl.zip | 40185 | 2022-10-27 07:14:32 |
| extr-20221027.xsd | 5617 | 2022-10-27 07:14:32 |
| extr-20221027_lab.xml | 19317 | 2022-10-27 07:14:32 |
| extr-20221027_pre.xml | 11509 | 2022-10-27 07:14:32 |
| extr-8k_20221027.htm | 33425 | 2022-10-27 07:14:32 |
| extr-8k_20221027_htm.xml | 3528 | 2022-10-27 07:14:32 |
| extr-ex991_6.htm | 928962 | 2022-10-27 07:14:32 |
| FilingSummary.xml | 1757 | 2022-10-27 07:14:32 |
| Financial_Report.xlsx | 5708 | 2022-10-27 07:14:32 |
 gttsxqpsrjy2000001.jpg | 28052 | 2022-10-27 07:14:32 |
| MetaLinks.json | 19225 | 2022-10-27 07:14:32 |
| R1.htm | 39601 | 2022-10-27 07:14:32 |
| report.css | 2767 | 2022-10-27 07:14:32 |
| Show.js | 1085 | 2022-10-27 07:14:32 |