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| 0001415889-15-003136-index.html | 2015-09-21 17:12:47 | |
| 0001415889-15-003136.txt | 2015-09-21 17:12:47 | |
 0001415889-15-003136-xbrl.zip | 66615 | 2015-09-21 17:12:47 |
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| ptrc10q_july312015.htm | 625459 | 2015-09-21 17:12:47 |
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| report.css | 2767 | 2015-09-21 17:12:47 |
| Show.js | 1410 | 2015-09-21 17:12:47 |