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| 0001564590-20-003470-index.html | 2020-02-05 16:19:25 | |
| 0001564590-20-003470.txt | 2020-02-05 16:19:25 | |
 0001564590-20-003470-xbrl.zip | 85694 | 2020-02-05 16:19:25 |
| FilingSummary.xml | 25566 | 2020-02-05 16:19:25 |
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| phx-10q_20191231.htm | 1513343 | 2020-02-05 16:19:25 |
| phx-20191231.xml | 703038 | 2020-02-05 16:19:25 |
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| report.css | 2767 | 2020-02-05 16:19:25 |
| Show.js | 1085 | 2020-02-05 16:19:25 |