Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001654954-22-006963-index-headers.html | 2022-05-16 16:00:56 | |
| 0001654954-22-006963-index.html | 2022-05-16 16:00:56 | |
| 0001654954-22-006963.txt | 2022-05-16 16:00:56 | |
 0001654954-22-006963-xbrl.zip | 248491 | 2022-05-16 16:00:56 |
| FilingSummary.xml | 24959 | 2022-05-16 16:00:56 |
| Financial_Report.xlsx | 58743 | 2022-05-16 16:00:56 |
| MetaLinks.json | 347085 | 2022-05-16 16:00:56 |
| ptn-20220331.xsd | 36286 | 2022-05-16 16:00:56 |
| ptn-20220331_cal.xml | 41205 | 2022-05-16 16:00:56 |
| ptn-20220331_def.xml | 57175 | 2022-05-16 16:00:56 |
| ptn-20220331_lab.xml | 229870 | 2022-05-16 16:00:56 |
| ptn-20220331_pre.xml | 174570 | 2022-05-16 16:00:56 |
| ptn_10q.htm | 771898 | 2022-05-16 16:00:56 |
 ptn_10qimg10.jpg | 4066 | 2022-05-16 16:00:56 |
 ptn_10qimg11.jpg | 39147 | 2022-05-16 16:00:56 |
| ptn_10q_htm.xml | 428350 | 2022-05-16 16:00:56 |
| ptn_ex101.htm | 225724 | 2022-05-16 16:00:56 |
| ptn_ex102.htm | 91465 | 2022-05-16 16:00:56 |
| ptn_ex103.htm | 89274 | 2022-05-16 16:00:56 |
| ptn_ex311.htm | 8254 | 2022-05-16 16:00:56 |
| ptn_ex312.htm | 8642 | 2022-05-16 16:00:56 |
| ptn_ex321.htm | 2661 | 2022-05-16 16:00:56 |
| ptn_ex322.htm | 2860 | 2022-05-16 16:00:56 |
| ptn_ex33.htm | 83576 | 2022-05-16 16:00:56 |
| ptn_ex34.htm | 83761 | 2022-05-16 16:00:56 |
| ptn_ex35.htm | 9569 | 2022-05-16 16:00:56 |
| ptn_ex36.htm | 6646 | 2022-05-16 16:00:56 |
| R1.htm | 52324 | 2022-05-16 16:00:56 |
| R10.htm | 8447 | 2022-05-16 16:00:56 |
| R11.htm | 8091 | 2022-05-16 16:00:56 |
| R12.htm | 7878 | 2022-05-16 16:00:56 |
| R13.htm | 5277 | 2022-05-16 16:00:56 |
| R14.htm | 5150 | 2022-05-16 16:00:56 |
| R15.htm | 12532 | 2022-05-16 16:00:56 |
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| R19.htm | 47052 | 2022-05-16 16:00:56 |
| R2.htm | 93410 | 2022-05-16 16:00:56 |
| R20.htm | 8625 | 2022-05-16 16:00:56 |
| R21.htm | 78857 | 2022-05-16 16:00:56 |
| R22.htm | 14846 | 2022-05-16 16:00:56 |
| R23.htm | 12152 | 2022-05-16 16:00:56 |
| R24.htm | 16492 | 2022-05-16 16:00:56 |
| R25.htm | 14728 | 2022-05-16 16:00:56 |
| R26.htm | 7913 | 2022-05-16 16:00:56 |
| R27.htm | 38065 | 2022-05-16 16:00:56 |
| R28.htm | 30357 | 2022-05-16 16:00:56 |
| R29.htm | 6645 | 2022-05-16 16:00:56 |
| R3.htm | 19833 | 2022-05-16 16:00:56 |
| R30.htm | 15732 | 2022-05-16 16:00:56 |
| R31.htm | 15191 | 2022-05-16 16:00:56 |
| R32.htm | 14706 | 2022-05-16 16:00:56 |
| R33.htm | 12294 | 2022-05-16 16:00:56 |
| R34.htm | 10963 | 2022-05-16 16:00:56 |
| R35.htm | 8457 | 2022-05-16 16:00:56 |
| R36.htm | 15734 | 2022-05-16 16:00:56 |
| R37.htm | 7392 | 2022-05-16 16:00:56 |
| R38.htm | 6660 | 2022-05-16 16:00:56 |
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| R4.htm | 58196 | 2022-05-16 16:00:56 |
| R40.htm | 8610 | 2022-05-16 16:00:56 |
| R41.htm | 29772 | 2022-05-16 16:00:56 |
| R42.htm | 23148 | 2022-05-16 16:00:56 |
| R5.htm | 52596 | 2022-05-16 16:00:56 |
| R6.htm | 72062 | 2022-05-16 16:00:56 |
| R7.htm | 15620 | 2022-05-16 16:00:56 |
| R8.htm | 6141 | 2022-05-16 16:00:56 |
| R9.htm | 38836 | 2022-05-16 16:00:56 |
| report.css | 2767 | 2022-05-16 16:00:56 |
| Show.js | 1085 | 2022-05-16 16:00:56 |