Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-23-017878-index-headers.html | 2023-05-04 16:15:51 | |
| 0000950170-23-017878-index.html | 2023-05-04 16:15:51 | |
| 0000950170-23-017878.txt | 2023-05-04 16:15:51 | |
 0000950170-23-017878-xbrl.zip | 42430 | 2023-05-04 16:15:51 |
| FilingSummary.xml | 1960 | 2023-05-04 16:15:51 |
| Financial_Report.xlsx | 5716 | 2023-05-04 16:15:51 |
 img8661304_0.jpg | 11916 | 2023-05-04 16:15:51 |
| MetaLinks.json | 18750 | 2023-05-04 16:15:51 |
| prdo-20230504.htm | 65890 | 2023-05-04 16:15:51 |
| prdo-20230504.xsd | 2480 | 2023-05-04 16:15:51 |
| prdo-20230504_htm.xml | 4510 | 2023-05-04 16:15:51 |
| prdo-20230504_lab.xml | 17012 | 2023-05-04 16:15:51 |
| prdo-20230504_pre.xml | 10677 | 2023-05-04 16:15:51 |
| prdo-ex99_1.htm | 1153709 | 2023-05-04 16:15:51 |
| R1.htm | 38105 | 2023-05-04 16:15:51 |
| report.css | 2767 | 2023-05-04 16:15:51 |
| Show.js | 1085 | 2023-05-04 16:15:51 |