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| 0001654954-18-010150-index.html | 2018-09-13 16:16:56 | |
| 0001654954-18-010150.txt | 2018-09-13 16:16:56 | |
 0001654954-18-010150-xbrl.zip | 98947 | 2018-09-13 16:16:56 |
| exhibit21.htm | 4484 | 2018-09-13 16:16:56 |
| exhibit23.htm | 5028 | 2018-09-13 16:16:56 |
| exhibit311.htm | 11206 | 2018-09-13 16:16:56 |
| exhibit312.htm | 11264 | 2018-09-13 16:16:56 |
| exhibit321.htm | 5222 | 2018-09-13 16:16:56 |
| exhibit322.htm | 5479 | 2018-09-13 16:16:56 |
| FilingSummary.xml | 31415 | 2018-09-13 16:16:56 |
| Financial_Report.xlsx | 72404 | 2018-09-13 16:16:56 |
| ptn-20180630.xml | 617499 | 2018-09-13 16:16:56 |
| ptn-20180630.xsd | 38044 | 2018-09-13 16:16:56 |
| ptn-20180630_cal.xml | 46442 | 2018-09-13 16:16:56 |
| ptn-20180630_def.xml | 50165 | 2018-09-13 16:16:56 |
| ptn-20180630_lab.xml | 260009 | 2018-09-13 16:16:56 |
| ptn-20180630_pre.xml | 191663 | 2018-09-13 16:16:56 |
| ptn_10k.htm | 2137504 | 2018-09-13 16:16:56 |
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| report.css | 2767 | 2018-09-13 16:16:56 |
| Show.js | 1410 | 2018-09-13 16:16:56 |