Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000315131-16-000024-index-headers.html | 2016-02-08 16:35:16 | |
| 0000315131-16-000024-index.html | 2016-02-08 16:35:16 | |
| 0000315131-16-000024.txt | 2016-02-08 16:35:16 | |
 0000315131-16-000024-xbrl.zip | 73758 | 2016-02-08 16:35:16 |
| FilingSummary.xml | 24603 | 2016-02-08 16:35:16 |
| Financial_Report.xlsx | 44778 | 2016-02-08 16:35:16 |
| phx-20151231.xml | 703589 | 2016-02-08 16:35:16 |
| phx-20151231.xsd | 34075 | 2016-02-08 16:35:16 |
| phx-20151231x10q.htm | 1252834 | 2016-02-08 16:35:16 |
| phx-20151231xex311.htm | 17520 | 2016-02-08 16:35:16 |
| phx-20151231xex312.htm | 17581 | 2016-02-08 16:35:16 |
| phx-20151231xex321.htm | 12173 | 2016-02-08 16:35:16 |
| phx-20151231xex322.htm | 8232 | 2016-02-08 16:35:16 |
| phx-20151231_cal.xml | 48054 | 2016-02-08 16:35:16 |
| phx-20151231_def.xml | 75056 | 2016-02-08 16:35:16 |
| phx-20151231_lab.xml | 241653 | 2016-02-08 16:35:16 |
| phx-20151231_pre.xml | 194959 | 2016-02-08 16:35:16 |
| R1.htm | 20235 | 2016-02-08 16:35:16 |
| R10.htm | 6262 | 2016-02-08 16:35:16 |
| R11.htm | 10202 | 2016-02-08 16:35:16 |
| R12.htm | 7879 | 2016-02-08 16:35:16 |
| R13.htm | 37980 | 2016-02-08 16:35:16 |
| R14.htm | 6354 | 2016-02-08 16:35:16 |
| R15.htm | 7342 | 2016-02-08 16:35:16 |
| R16.htm | 4999 | 2016-02-08 16:35:16 |
| R17.htm | 127436 | 2016-02-08 16:35:16 |
| R18.htm | 109670 | 2016-02-08 16:35:16 |
| R19.htm | 10525 | 2016-02-08 16:35:16 |
| R2.htm | 79436 | 2016-02-08 16:35:16 |
| R20.htm | 31923 | 2016-02-08 16:35:16 |
| R21.htm | 120979 | 2016-02-08 16:35:16 |
| R22.htm | 107104 | 2016-02-08 16:35:16 |
| R23.htm | 4970 | 2016-02-08 16:35:16 |
| R24.htm | 27238 | 2016-02-08 16:35:16 |
| R25.htm | 5447 | 2016-02-08 16:35:16 |
| R26.htm | 31901 | 2016-02-08 16:35:16 |
| R27.htm | 9097 | 2016-02-08 16:35:16 |
| R28.htm | 11637 | 2016-02-08 16:35:16 |
| R29.htm | 4014 | 2016-02-08 16:35:16 |
| R3.htm | 11242 | 2016-02-08 16:35:16 |
| R30.htm | 4647 | 2016-02-08 16:35:16 |
| R31.htm | 4067 | 2016-02-08 16:35:16 |
| R32.htm | 4531 | 2016-02-08 16:35:16 |
| R33.htm | 64715 | 2016-02-08 16:35:16 |
| R34.htm | 21340 | 2016-02-08 16:35:16 |
| R35.htm | 17146 | 2016-02-08 16:35:16 |
| R36.htm | 19288 | 2016-02-08 16:35:16 |
| R37.htm | 13691 | 2016-02-08 16:35:16 |
| R38.htm | 6425 | 2016-02-08 16:35:16 |
| R4.htm | 60070 | 2016-02-08 16:35:16 |
| R5.htm | 42682 | 2016-02-08 16:35:16 |
| R6.htm | 4455 | 2016-02-08 16:35:16 |
| R7.htm | 99267 | 2016-02-08 16:35:16 |
| R8.htm | 7435 | 2016-02-08 16:35:16 |
| R9.htm | 8891 | 2016-02-08 16:35:16 |
| report.css | 2767 | 2016-02-08 16:35:16 |
| Show.js | 1410 | 2016-02-08 16:35:16 |