Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-23-025686-index-headers.html | 2023-06-01 16:05:24 | |
| 0000950170-23-025686-index.html | 2023-06-01 16:05:24 | |
| 0000950170-23-025686.txt | 2023-06-01 16:05:24 | |
 0000950170-23-025686-xbrl.zip | 14595 | 2023-06-01 16:05:24 |
| FilingSummary.xml | 1739 | 2023-06-01 16:05:24 |
| Financial_Report.xlsx | 5792 | 2023-06-01 16:05:24 |
 img136846021_0.jpg | 5684 | 2023-06-01 16:05:24 |
 img136846021_1.jpg | 4610 | 2023-06-01 16:05:24 |
| MetaLinks.json | 18649 | 2023-06-01 16:05:24 |
| prdo-20230525.htm | 127078 | 2023-06-01 16:05:24 |
| prdo-20230525.xsd | 2475 | 2023-06-01 16:05:24 |
| prdo-20230525_htm.xml | 4925 | 2023-06-01 16:05:24 |
| prdo-20230525_lab.xml | 14019 | 2023-06-01 16:05:24 |
| prdo-20230525_pre.xml | 10291 | 2023-06-01 16:05:24 |
| prdo-ex3_1.htm | 32861 | 2023-06-01 16:05:24 |
| R1.htm | 41231 | 2023-06-01 16:05:24 |
| report.css | 2767 | 2023-06-01 16:05:24 |
| Show.js | 1085 | 2023-06-01 16:05:24 |