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|---|---|---|
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| 0000950170-23-019883-index.html | 2023-05-09 17:52:09 | |
| 0000950170-23-019883.txt | 2023-05-09 17:52:09 | |
 0000950170-23-019883-xbrl.zip | 304588 | 2023-05-09 17:52:09 |
| FilingSummary.xml | 36157 | 2023-05-09 17:52:09 |
| Financial_Report.xlsx | 103195 | 2023-05-09 17:52:09 |
| MetaLinks.json | 789104 | 2023-05-09 17:52:09 |
| pret-20230331.htm | 3541293 | 2023-05-09 17:52:09 |
| pret-20230331.xsd | 86144 | 2023-05-09 17:52:09 |
| pret-20230331_cal.xml | 85444 | 2023-05-09 17:52:09 |
| pret-20230331_def.xml | 270720 | 2023-05-09 17:52:09 |
| pret-20230331_htm.xml | 2308871 | 2023-05-09 17:52:09 |
| pret-20230331_lab.xml | 571835 | 2023-05-09 17:52:09 |
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| pret-ex10_2.htm | 160920 | 2023-05-09 17:52:09 |
| pret-ex31_1.htm | 29309 | 2023-05-09 17:52:09 |
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| pret-ex32_1.htm | 15415 | 2023-05-09 17:52:09 |
| pret-ex32_2.htm | 15823 | 2023-05-09 17:52:09 |
| R1.htm | 60429 | 2023-05-09 17:52:09 |
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| R32.htm | 36656 | 2023-05-09 17:52:09 |
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| R9.htm | 114442 | 2023-05-09 17:52:09 |
| report.css | 2767 | 2023-05-09 17:52:09 |
| Show.js | 1085 | 2023-05-09 17:52:09 |