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|---|---|---|
 0001654954-18-001330-index-headers.html | 2018-02-12 10:33:40 | |
| 0001654954-18-001330-index.html | 2018-02-12 10:33:40 | |
| 0001654954-18-001330.txt | 2018-02-12 10:33:40 | |
 0001654954-18-001330-xbrl.zip | 71168 | 2018-02-12 10:33:40 |
| FilingSummary.xml | 21070 | 2018-02-12 10:33:40 |
| Financial_Report.xlsx | 50626 | 2018-02-12 10:33:40 |
| ptn-20171231.xml | 523786 | 2018-02-12 10:33:40 |
| ptn-20171231.xsd | 29080 | 2018-02-12 10:33:40 |
| ptn-20171231_cal.xml | 38129 | 2018-02-12 10:33:40 |
| ptn-20171231_def.xml | 28557 | 2018-02-12 10:33:40 |
| ptn-20171231_lab.xml | 167773 | 2018-02-12 10:33:40 |
| ptn-20171231_pre.xml | 116760 | 2018-02-12 10:33:40 |
| ptn_10q.htm | 633272 | 2018-02-12 10:33:40 |
 ptn_10q000.jpg | 26245 | 2018-02-12 10:33:40 |
| ptn_ex311.htm | 11921 | 2018-02-12 10:33:40 |
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| ptn_ex321.htm | 5350 | 2018-02-12 10:33:40 |
| ptn_ex322.htm | 5765 | 2018-02-12 10:33:40 |
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| R8.htm | 5950 | 2018-02-12 10:33:40 |
| R9.htm | 66165 | 2018-02-12 10:33:40 |
| report.css | 2767 | 2018-02-12 10:33:40 |
| Show.js | 1410 | 2018-02-12 10:33:40 |