Parent Directory| Name | Size | Last Modified |
|---|---|---|
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| 0001635881-20-000006-index.html | 2020-02-13 07:04:10 | |
| 0001635881-20-000006.txt | 2020-02-13 07:04:10 | |
 0001635881-20-000006-xbrl.zip | 17525 | 2020-02-13 07:04:10 |
| extn-20200213.xsd | 4569 | 2020-02-13 07:04:10 |
| extn-20200213_cal.xml | 608 | 2020-02-13 07:04:10 |
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| extn-20200213_pre.xml | 13564 | 2020-02-13 07:04:10 |
| FilingSummary.xml | 1756 | 2020-02-13 07:04:10 |
| Financial_Report.xlsx | 5764 | 2020-02-13 07:04:10 |
 logoblueblacka53.jpg | 137527 | 2020-02-13 07:04:10 |
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| q4-2019operationalupda991.htm | 24922 | 2020-02-13 07:04:10 |
| q4-2019operationalupda_htm.xml | 4461 | 2020-02-13 07:04:10 |
| R1.htm | 38591 | 2020-02-13 07:04:10 |
| report.css | 2766 | 2020-02-13 07:04:10 |
| Show.js | 1085 | 2020-02-13 07:04:10 |