Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001564590-22-018259-index-headers.html | 2022-05-05 16:16:01 | |
| 0001564590-22-018259-index.html | 2022-05-05 16:16:01 | |
| 0001564590-22-018259.txt | 2022-05-05 16:16:01 | |
 0001564590-22-018259-xbrl.zip | 42875 | 2022-05-05 16:16:01 |
| FilingSummary.xml | 1752 | 2022-05-05 16:16:01 |
| Financial_Report.xlsx | 5704 | 2022-05-05 16:16:01 |
 gjkvruseu0ck000001.jpg | 11849 | 2022-05-05 16:16:01 |
| MetaLinks.json | 18612 | 2022-05-05 16:16:01 |
| prdo-20220505.xsd | 5701 | 2022-05-05 16:16:01 |
| prdo-20220505_lab.xml | 18667 | 2022-05-05 16:16:01 |
| prdo-20220505_pre.xml | 11133 | 2022-05-05 16:16:01 |
| prdo-8k_20220505.htm | 39538 | 2022-05-05 16:16:01 |
| prdo-8k_20220505_htm.xml | 3423 | 2022-05-05 16:16:01 |
| prdo-ex991_6.htm | 1097493 | 2022-05-05 16:16:01 |
| R1.htm | 38718 | 2022-05-05 16:16:01 |
| report.css | 2767 | 2022-05-05 16:16:01 |
| Show.js | 1085 | 2022-05-05 16:16:01 |