Parent Directory| Name | Size | Last Modified |
|---|---|---|
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| 0001654954-22-001646-index.html | 2022-02-14 17:24:53 | |
| 0001654954-22-001646.txt | 2022-02-14 17:24:53 | |
 0001654954-22-001646-xbrl.zip | 131476 | 2022-02-14 17:24:53 |
| FilingSummary.xml | 23702 | 2022-02-14 17:24:53 |
| Financial_Report.xlsx | 55655 | 2022-02-14 17:24:53 |
| MetaLinks.json | 330598 | 2022-02-14 17:24:53 |
| ptn-20211231.xsd | 33150 | 2022-02-14 17:24:53 |
| ptn-20211231_cal.xml | 40448 | 2022-02-14 17:24:53 |
| ptn-20211231_def.xml | 40441 | 2022-02-14 17:24:53 |
| ptn-20211231_lab.xml | 210341 | 2022-02-14 17:24:53 |
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| ptn_10q.htm | 710799 | 2022-02-14 17:24:53 |
 ptn_10qimg4.jpg | 3954 | 2022-02-14 17:24:53 |
 ptn_10qimg5.jpg | 39147 | 2022-02-14 17:24:53 |
| ptn_10q_htm.xml | 408809 | 2022-02-14 17:24:53 |
| ptn_ex311.htm | 9175 | 2022-02-14 17:24:53 |
| ptn_ex312.htm | 9265 | 2022-02-14 17:24:53 |
| ptn_ex321.htm | 2585 | 2022-02-14 17:24:53 |
| ptn_ex322.htm | 2801 | 2022-02-14 17:24:53 |
| R1.htm | 52153 | 2022-02-14 17:24:53 |
| R10.htm | 8308 | 2022-02-14 17:24:53 |
| R11.htm | 7911 | 2022-02-14 17:24:53 |
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| R13.htm | 5161 | 2022-02-14 17:24:53 |
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| R19.htm | 47825 | 2022-02-14 17:24:53 |
| R2.htm | 93150 | 2022-02-14 17:24:53 |
| R20.htm | 77947 | 2022-02-14 17:24:53 |
| R21.htm | 14586 | 2022-02-14 17:24:53 |
| R22.htm | 11894 | 2022-02-14 17:24:53 |
| R23.htm | 16330 | 2022-02-14 17:24:53 |
| R24.htm | 14460 | 2022-02-14 17:24:53 |
| R25.htm | 7915 | 2022-02-14 17:24:53 |
| R26.htm | 39186 | 2022-02-14 17:24:53 |
| R27.htm | 30335 | 2022-02-14 17:24:53 |
| R28.htm | 6642 | 2022-02-14 17:24:53 |
| R29.htm | 15676 | 2022-02-14 17:24:53 |
| R3.htm | 19782 | 2022-02-14 17:24:53 |
| R30.htm | 15154 | 2022-02-14 17:24:53 |
| R31.htm | 23213 | 2022-02-14 17:24:53 |
| R32.htm | 12272 | 2022-02-14 17:24:53 |
| R33.htm | 10953 | 2022-02-14 17:24:53 |
| R34.htm | 8435 | 2022-02-14 17:24:53 |
| R35.htm | 15730 | 2022-02-14 17:24:53 |
| R36.htm | 7443 | 2022-02-14 17:24:53 |
| R37.htm | 7152 | 2022-02-14 17:24:53 |
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| R4.htm | 60095 | 2022-02-14 17:24:53 |
| R40.htm | 23521 | 2022-02-14 17:24:53 |
| R5.htm | 54750 | 2022-02-14 17:24:53 |
| R6.htm | 72483 | 2022-02-14 17:24:53 |
| R7.htm | 15384 | 2022-02-14 17:24:53 |
| R8.htm | 6053 | 2022-02-14 17:24:53 |
| R9.htm | 38122 | 2022-02-14 17:24:53 |
| report.css | 2767 | 2022-02-14 17:24:53 |
| Show.js | 1085 | 2022-02-14 17:24:53 |