Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-23-004118-index-headers.html | 2023-02-23 16:16:07 | |
| 0000950170-23-004118-index.html | 2023-02-23 16:16:07 | |
| 0000950170-23-004118.txt | 2023-02-23 16:16:07 | |
 0000950170-23-004118-xbrl.zip | 55558 | 2023-02-23 16:16:07 |
| FilingSummary.xml | 1784 | 2023-02-23 16:16:07 |
| Financial_Report.xlsx | 5700 | 2023-02-23 16:16:07 |
 img8661304_0.jpg | 11916 | 2023-02-23 16:16:07 |
| MetaLinks.json | 22165 | 2023-02-23 16:16:07 |
| prdo-20230223.htm | 65772 | 2023-02-23 16:16:07 |
| prdo-20230223.xsd | 2915 | 2023-02-23 16:16:07 |
| prdo-20230223_def.xml | 13081 | 2023-02-23 16:16:07 |
| prdo-20230223_htm.xml | 4520 | 2023-02-23 16:16:07 |
| prdo-20230223_lab.xml | 19716 | 2023-02-23 16:16:07 |
| prdo-20230223_pre.xml | 13165 | 2023-02-23 16:16:07 |
| prdo-ex99_1.htm | 1719085 | 2023-02-23 16:16:07 |
| R1.htm | 38346 | 2023-02-23 16:16:07 |
| report.css | 2767 | 2023-02-23 16:16:07 |
| Show.js | 1085 | 2023-02-23 16:16:07 |