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| 0001654954-19-010679-index.html | 2019-09-12 17:11:32 | |
| 0001654954-19-010679.txt | 2019-09-12 17:11:32 | |
 0001654954-19-010679-xbrl.zip | 106098 | 2019-09-12 17:11:32 |
| FilingSummary.xml | 29773 | 2019-09-12 17:11:32 |
| Financial_Report.xlsx | 71161 | 2019-09-12 17:11:32 |
| ptn-20190630.xml | 1074984 | 2019-09-12 17:11:32 |
| ptn-20190630.xsd | 32868 | 2019-09-12 17:11:32 |
| ptn-20190630_cal.xml | 42479 | 2019-09-12 17:11:32 |
| ptn-20190630_def.xml | 63712 | 2019-09-12 17:11:32 |
| ptn-20190630_lab.xml | 234617 | 2019-09-12 17:11:32 |
| ptn-20190630_pre.xml | 194504 | 2019-09-12 17:11:32 |
| ptn_10k.htm | 2140675 | 2019-09-12 17:11:32 |
 ptn_10k000.jpg | 4041 | 2019-09-12 17:11:32 |
 ptn_10k001.jpg | 23801 | 2019-09-12 17:11:32 |
| ptn_ex21.htm | 4882 | 2019-09-12 17:11:32 |
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| ptn_ex311.htm | 11457 | 2019-09-12 17:11:32 |
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| ptn_ex412.htm | 72424 | 2019-09-12 17:11:32 |
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| report.css | 2767 | 2019-09-12 17:11:32 |
| Show.js | 1085 | 2019-09-12 17:11:32 |