Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001564590-19-014567-index-headers.html | 2019-05-01 07:28:16 | |
| 0001564590-19-014567-index.html | 2019-05-01 07:28:16 | |
| 0001564590-19-014567.txt | 2019-05-01 07:28:16 | |
| extr-8k_20190331.htm | 25441 | 2019-05-01 07:28:16 |
| extr-ex991_6.htm | 1088278 | 2019-05-01 07:28:16 |