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| 0001564590-18-011290-index.html | 2018-05-07 17:04:38 | |
| 0001564590-18-011290.txt | 2018-05-07 17:04:38 | |
 0001564590-18-011290-xbrl.zip | 81123 | 2018-05-07 17:04:38 |
| FilingSummary.xml | 22856 | 2018-05-07 17:04:38 |
| Financial_Report.xlsx | 43778 | 2018-05-07 17:04:38 |
| phx-10q_20180331.htm | 1646118 | 2018-05-07 17:04:38 |
| phx-20180331.xml | 799354 | 2018-05-07 17:04:38 |
| phx-20180331.xsd | 41413 | 2018-05-07 17:04:38 |
| phx-20180331_cal.xml | 44810 | 2018-05-07 17:04:38 |
| phx-20180331_def.xml | 88245 | 2018-05-07 17:04:38 |
| phx-20180331_lab.xml | 279023 | 2018-05-07 17:04:38 |
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| phx-ex311_9.htm | 16218 | 2018-05-07 17:04:38 |
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| phx-ex321_7.htm | 6898 | 2018-05-07 17:04:38 |
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| R9.htm | 10715 | 2018-05-07 17:04:38 |
| report.css | 2767 | 2018-05-07 17:04:38 |
| Show.js | 1410 | 2018-05-07 17:04:38 |