Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001564590-21-054492-index-headers.html | 2021-11-04 16:15:29 | |
| 0001564590-21-054492-index.html | 2021-11-04 16:15:29 | |
| 0001564590-21-054492.txt | 2021-11-04 16:15:29 | |
 0001564590-21-054492-xbrl.zip | 58683 | 2021-11-04 16:15:29 |
| FilingSummary.xml | 1739 | 2021-11-04 16:15:29 |
| Financial_Report.xlsx | 5702 | 2021-11-04 16:15:29 |
 gzgrsk2hryla000001.jpg | 11849 | 2021-11-04 16:15:29 |
| MetaLinks.json | 18562 | 2021-11-04 16:15:29 |
| prdo-20211104.xsd | 5693 | 2021-11-04 16:15:29 |
| prdo-20211104_lab.xml | 18575 | 2021-11-04 16:15:29 |
| prdo-20211104_pre.xml | 11041 | 2021-11-04 16:15:29 |
| prdo-8k_20211104.htm | 39571 | 2021-11-04 16:15:29 |
| prdo-8k_20211104_htm.xml | 3421 | 2021-11-04 16:15:29 |
| prdo-ex991_6.htm | 1713260 | 2021-11-04 16:15:29 |
| R1.htm | 38596 | 2021-11-04 16:15:29 |
| report.css | 2767 | 2021-11-04 16:15:29 |
| Show.js | 1085 | 2021-11-04 16:15:29 |