Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-23-038021-index-headers.html | 2023-08-03 16:18:24 | |
| 0000950170-23-038021-index.html | 2023-08-03 16:18:24 | |
| 0000950170-23-038021.txt | 2023-08-03 16:18:24 | |
 0000950170-23-038021-xbrl.zip | 267930 | 2023-08-03 16:18:24 |
| FilingSummary.xml | 39158 | 2023-08-03 16:18:24 |
| Financial_Report.xlsx | 97452 | 2023-08-03 16:18:24 |
 img151085090_0.jpg | 4058 | 2023-08-03 16:18:24 |
 img91276408_0.jpg | 10520 | 2023-08-03 16:18:24 |
 img92199929_0.jpg | 10520 | 2023-08-03 16:18:24 |
| MetaLinks.json | 839726 | 2023-08-03 16:18:24 |
| prdo-20230630.htm | 3998155 | 2023-08-03 16:18:24 |
| prdo-20230630.xsd | 56883 | 2023-08-03 16:18:24 |
| prdo-20230630_cal.xml | 53710 | 2023-08-03 16:18:24 |
| prdo-20230630_def.xml | 215370 | 2023-08-03 16:18:24 |
| prdo-20230630_htm.xml | 2624160 | 2023-08-03 16:18:24 |
| prdo-20230630_lab.xml | 443048 | 2023-08-03 16:18:24 |
| prdo-20230630_pre.xml | 332629 | 2023-08-03 16:18:24 |
| prdo-ex10_2.htm | 15581 | 2023-08-03 16:18:24 |
| prdo-ex10_3.htm | 15436 | 2023-08-03 16:18:24 |
| prdo-ex31_1.htm | 15640 | 2023-08-03 16:18:24 |
| prdo-ex31_2.htm | 15638 | 2023-08-03 16:18:24 |
| prdo-ex32_1.htm | 8397 | 2023-08-03 16:18:24 |
| prdo-ex32_2.htm | 8663 | 2023-08-03 16:18:24 |
| R1.htm | 51794 | 2023-08-03 16:18:24 |
| R10.htm | 8639 | 2023-08-03 16:18:24 |
| R11.htm | 10227 | 2023-08-03 16:18:24 |
| R12.htm | 57883 | 2023-08-03 16:18:24 |
| R13.htm | 16579 | 2023-08-03 16:18:24 |
| R14.htm | 131848 | 2023-08-03 16:18:24 |
| R15.htm | 417959 | 2023-08-03 16:18:24 |
| R16.htm | 64567 | 2023-08-03 16:18:24 |
| R17.htm | 91059 | 2023-08-03 16:18:24 |
| R18.htm | 8430 | 2023-08-03 16:18:24 |
| R19.htm | 17380 | 2023-08-03 16:18:24 |
| R2.htm | 142053 | 2023-08-03 16:18:24 |
| R20.htm | 54783 | 2023-08-03 16:18:24 |
| R21.htm | 54091 | 2023-08-03 16:18:24 |
| R22.htm | 16529 | 2023-08-03 16:18:24 |
| R23.htm | 38924 | 2023-08-03 16:18:24 |
| R24.htm | 168380 | 2023-08-03 16:18:24 |
| R25.htm | 8232 | 2023-08-03 16:18:24 |
| R26.htm | 44857 | 2023-08-03 16:18:24 |
| R27.htm | 114564 | 2023-08-03 16:18:24 |
| R28.htm | 402645 | 2023-08-03 16:18:24 |
| R29.htm | 54848 | 2023-08-03 16:18:24 |
| R3.htm | 29005 | 2023-08-03 16:18:24 |
| R30.htm | 86141 | 2023-08-03 16:18:24 |
| R31.htm | 38111 | 2023-08-03 16:18:24 |
| R32.htm | 38704 | 2023-08-03 16:18:24 |
| R33.htm | 35507 | 2023-08-03 16:18:24 |
| R34.htm | 156393 | 2023-08-03 16:18:24 |
| R35.htm | 4511 | 2023-08-03 16:18:24 |
| R36.htm | 53506 | 2023-08-03 16:18:24 |
| R37.htm | 38185 | 2023-08-03 16:18:24 |
| R38.htm | 26733 | 2023-08-03 16:18:24 |
| R39.htm | 60536 | 2023-08-03 16:18:24 |
| R4.htm | 79661 | 2023-08-03 16:18:24 |
| R40.htm | 4582 | 2023-08-03 16:18:24 |
| R41.htm | 51682 | 2023-08-03 16:18:24 |
| R42.htm | 15274 | 2023-08-03 16:18:24 |
| R43.htm | 10125 | 2023-08-03 16:18:24 |
| R44.htm | 23789 | 2023-08-03 16:18:24 |
| R45.htm | 11102 | 2023-08-03 16:18:24 |
| R46.htm | 12066 | 2023-08-03 16:18:24 |
| R47.htm | 17603 | 2023-08-03 16:18:24 |
| R48.htm | 23026 | 2023-08-03 16:18:24 |
| R49.htm | 12086 | 2023-08-03 16:18:24 |
| R5.htm | 30794 | 2023-08-03 16:18:24 |
| R50.htm | 19946 | 2023-08-03 16:18:24 |
| R51.htm | 11054 | 2023-08-03 16:18:24 |
| R52.htm | 20951 | 2023-08-03 16:18:24 |
| R53.htm | 28925 | 2023-08-03 16:18:24 |
| R54.htm | 10323 | 2023-08-03 16:18:24 |
| R55.htm | 20801 | 2023-08-03 16:18:24 |
| R56.htm | 9266 | 2023-08-03 16:18:24 |
| R57.htm | 7207 | 2023-08-03 16:18:24 |
| R58.htm | 13643 | 2023-08-03 16:18:24 |
| R59.htm | 41736 | 2023-08-03 16:18:24 |
| R6.htm | 73251 | 2023-08-03 16:18:24 |
| R60.htm | 10035 | 2023-08-03 16:18:24 |
| R61.htm | 11246 | 2023-08-03 16:18:24 |
| R7.htm | 64123 | 2023-08-03 16:18:24 |
| R8.htm | 15391 | 2023-08-03 16:18:24 |
| R9.htm | 26457 | 2023-08-03 16:18:24 |
| report.css | 2767 | 2023-08-03 16:18:24 |
| Show.js | 1085 | 2023-08-03 16:18:24 |