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| 0000950170-23-010004-index.html | 2023-03-27 16:19:48 | |
| 0000950170-23-010004.txt | 2023-03-27 16:19:48 | |
 0000950170-23-010004-xbrl.zip | 623454 | 2023-03-27 16:19:48 |
| FilingSummary.xml | 64604 | 2023-03-27 16:19:48 |
| Financial_Report.xlsx | 188082 | 2023-03-27 16:19:48 |
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| pret-20221231.htm | 6827341 | 2023-03-27 16:19:48 |
| pret-20221231.xsd | 160406 | 2023-03-27 16:19:48 |
| pret-20221231_cal.xml | 112878 | 2023-03-27 16:19:48 |
| pret-20221231_def.xml | 598231 | 2023-03-27 16:19:48 |
| pret-20221231_htm.xml | 3924049 | 2023-03-27 16:19:48 |
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| report.css | 2768 | 2023-03-27 16:19:48 |
| Show.js | 1086 | 2023-03-27 16:19:48 |