Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-23-038009-index-headers.html | 2023-08-03 16:16:52 | |
| 0000950170-23-038009-index.html | 2023-08-03 16:16:52 | |
| 0000950170-23-038009.txt | 2023-08-03 16:16:52 | |
 0000950170-23-038009-xbrl.zip | 55829 | 2023-08-03 16:16:52 |
| FilingSummary.xml | 1784 | 2023-08-03 16:16:52 |
| Financial_Report.xlsx | 5696 | 2023-08-03 16:16:52 |
 img8661304_0.jpg | 11916 | 2023-08-03 16:16:52 |
| MetaLinks.json | 22250 | 2023-08-03 16:16:52 |
| prdo-20230803.htm | 65897 | 2023-08-03 16:16:52 |
| prdo-20230803.xsd | 2915 | 2023-08-03 16:16:52 |
| prdo-20230803_def.xml | 13081 | 2023-08-03 16:16:52 |
| prdo-20230803_htm.xml | 4517 | 2023-08-03 16:16:52 |
| prdo-20230803_lab.xml | 19741 | 2023-08-03 16:16:52 |
| prdo-20230803_pre.xml | 13165 | 2023-08-03 16:16:52 |
| prdo-ex99_1.htm | 1707940 | 2023-08-03 16:16:52 |
| R1.htm | 38344 | 2023-08-03 16:16:52 |
| report.css | 2767 | 2023-08-03 16:16:52 |
| Show.js | 1085 | 2023-08-03 16:16:52 |