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| 0001564590-18-001699-index.html | 2018-02-08 16:56:16 | |
| 0001564590-18-001699.txt | 2018-02-08 16:56:16 | |
 0001564590-18-001699-xbrl.zip | 76422 | 2018-02-08 16:56:16 |
| FilingSummary.xml | 22856 | 2018-02-08 16:56:16 |
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| phx-10q_20171231.htm | 1427525 | 2018-02-08 16:56:16 |
| phx-20171231.xml | 692714 | 2018-02-08 16:56:16 |
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| report.css | 2767 | 2018-02-08 16:56:16 |
| Show.js | 1410 | 2018-02-08 16:56:16 |