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| 0001654954-17-000945-index.html | 2017-02-10 16:18:27 | |
| 0001654954-17-000945.txt | 2017-02-10 16:18:27 | |
 0001654954-17-000945-xbrl.zip | 58821 | 2017-02-10 16:18:27 |
| FilingSummary.xml | 19149 | 2017-02-10 16:18:27 |
| Financial_Report.xlsx | 43609 | 2017-02-10 16:18:27 |
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| ptn-20161231.xml | 227410 | 2017-02-10 16:18:27 |
| ptn-20161231.xsd | 26767 | 2017-02-10 16:18:27 |
| ptn-20161231_cal.xml | 36178 | 2017-02-10 16:18:27 |
| ptn-20161231_def.xml | 31947 | 2017-02-10 16:18:27 |
| ptn-20161231_lab.xml | 165303 | 2017-02-10 16:18:27 |
| ptn-20161231_pre.xml | 111051 | 2017-02-10 16:18:27 |
| ptn_10q.htm | 554713 | 2017-02-10 16:18:27 |
| ptn_ex101.htm | 651181 | 2017-02-10 16:18:27 |
| ptn_ex311.htm | 10861 | 2017-02-10 16:18:27 |
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| report.css | 2767 | 2017-02-10 16:18:27 |
| Show.js | 1410 | 2017-02-10 16:18:27 |