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| 0001654954-21-010495-index.html | 2021-09-28 16:43:18 | |
| 0001654954-21-010495.txt | 2021-09-28 16:43:18 | |
 0001654954-21-010495-xbrl.zip | 88287 | 2021-09-28 16:43:18 |
 chart.jpg | 42092 | 2021-09-28 16:43:18 |
| FilingSummary.xml | 31341 | 2021-09-28 16:43:18 |
| Financial_Report.xlsx | 76599 | 2021-09-28 16:43:18 |
| ptn-20210630.xml | 378004 | 2021-09-28 16:43:18 |
| ptn-20210630.xsd | 40373 | 2021-09-28 16:43:18 |
| ptn-20210630_cal.xml | 52994 | 2021-09-28 16:43:18 |
| ptn-20210630_def.xml | 74399 | 2021-09-28 16:43:18 |
| ptn-20210630_lab.xml | 246424 | 2021-09-28 16:43:18 |
| ptn-20210630_pre.xml | 196038 | 2021-09-28 16:43:18 |
| ptn_10k.htm | 1831701 | 2021-09-28 16:43:18 |
| ptn_23.htm | 5274 | 2021-09-28 16:43:18 |
| ptn_311.htm | 11927 | 2021-09-28 16:43:18 |
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| ptn_321.htm | 5015 | 2021-09-28 16:43:18 |
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| ptn_ex21.htm | 4855 | 2021-09-28 16:43:18 |
 ptn_logo.jpg | 15083 | 2021-09-28 16:43:18 |
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| report.css | 2767 | 2021-09-28 16:43:18 |
| Show.js | 1085 | 2021-09-28 16:43:18 |