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 0001654954-21-001738-index-headers.html | 2021-02-16 16:21:13 | |
| 0001654954-21-001738-index.html | 2021-02-16 16:21:13 | |
| 0001654954-21-001738.txt | 2021-02-16 16:21:13 | |
 0001654954-21-001738-xbrl.zip | 73555 | 2021-02-16 16:21:13 |
| FilingSummary.xml | 23537 | 2021-02-16 16:21:13 |
| Financial_Report.xlsx | 58828 | 2021-02-16 16:21:13 |
| ptn-20201231.xml | 364103 | 2021-02-16 16:21:13 |
| ptn-20201231.xsd | 29683 | 2021-02-16 16:21:13 |
| ptn-20201231_cal.xml | 45170 | 2021-02-16 16:21:13 |
| ptn-20201231_def.xml | 65757 | 2021-02-16 16:21:13 |
| ptn-20201231_lab.xml | 196866 | 2021-02-16 16:21:13 |
| ptn-20201231_pre.xml | 154634 | 2021-02-16 16:21:13 |
| ptn_10q.htm | 819815 | 2021-02-16 16:21:13 |
 ptn_10q000.jpg | 3989 | 2021-02-16 16:21:13 |
 ptn_10q002.jpg | 44617 | 2021-02-16 16:21:13 |
| ptn_ex311.htm | 11459 | 2021-02-16 16:21:13 |
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| ptn_ex321.htm | 4719 | 2021-02-16 16:21:13 |
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| R9.htm | 26033 | 2021-02-16 16:21:13 |
| report.css | 2767 | 2021-02-16 16:21:13 |
| Show.js | 1085 | 2021-02-16 16:21:13 |