Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001564590-23-000756-index-headers.html | 2023-01-25 07:28:50 | |
| 0001564590-23-000756-index.html | 2023-01-25 07:28:50 | |
| 0001564590-23-000756.txt | 2023-01-25 07:28:50 | |
 0001564590-23-000756-xbrl.zip | 13790 | 2023-01-25 07:28:50 |
| extr-20230124.xsd | 5617 | 2023-01-25 07:28:50 |
| extr-20230124_lab.xml | 19314 | 2023-01-25 07:28:50 |
| extr-20230124_pre.xml | 11509 | 2023-01-25 07:28:50 |
| extr-8k_20230124.htm | 37244 | 2023-01-25 07:28:50 |
| extr-8k_20230124_htm.xml | 3526 | 2023-01-25 07:28:50 |
| extr-ex991_6.htm | 14242 | 2023-01-25 07:28:50 |
| FilingSummary.xml | 1755 | 2023-01-25 07:28:50 |
| Financial_Report.xlsx | 5704 | 2023-01-25 07:28:50 |
 guiab3ct221f000001.jpg | 28052 | 2023-01-25 07:28:50 |
| MetaLinks.json | 19754 | 2023-01-25 07:28:50 |
| R1.htm | 39594 | 2023-01-25 07:28:50 |
| report.css | 2767 | 2023-01-25 07:28:50 |
| Show.js | 1085 | 2023-01-25 07:28:50 |