Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001564590-23-000754-index-headers.html | 2023-01-25 07:16:53 | |
| 0001564590-23-000754-index.html | 2023-01-25 07:16:53 | |
| 0001564590-23-000754.txt | 2023-01-25 07:16:53 | |
 0001564590-23-000754-xbrl.zip | 44188 | 2023-01-25 07:16:53 |
| extr-20230125.xsd | 5617 | 2023-01-25 07:16:53 |
| extr-20230125_lab.xml | 19317 | 2023-01-25 07:16:53 |
| extr-20230125_pre.xml | 11509 | 2023-01-25 07:16:53 |
| extr-8k_20230125.htm | 33424 | 2023-01-25 07:16:53 |
| extr-8k_20230125_htm.xml | 3528 | 2023-01-25 07:16:53 |
| extr-ex991_6.htm | 1162481 | 2023-01-25 07:16:53 |
| FilingSummary.xml | 1755 | 2023-01-25 07:16:53 |
| Financial_Report.xlsx | 5710 | 2023-01-25 07:16:53 |
 gjcjkaehjgfm000001.jpg | 28052 | 2023-01-25 07:16:53 |
| MetaLinks.json | 19757 | 2023-01-25 07:16:53 |
| R1.htm | 39599 | 2023-01-25 07:16:53 |
| report.css | 2767 | 2023-01-25 07:16:53 |
| Show.js | 1085 | 2023-01-25 07:16:53 |