Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001564590-21-024995-index-headers.html | 2021-05-06 16:17:42 | |
| 0001564590-21-024995-index.html | 2021-05-06 16:17:42 | |
| 0001564590-21-024995.txt | 2021-05-06 16:17:42 | |
 0001564590-21-024995-xbrl.zip | 43163 | 2021-05-06 16:17:42 |
| FilingSummary.xml | 1745 | 2021-05-06 16:17:42 |
| Financial_Report.xlsx | 5703 | 2021-05-06 16:17:42 |
 gfkz04rjzq2b000001.jpg | 11849 | 2021-05-06 16:17:42 |
| MetaLinks.json | 19251 | 2021-05-06 16:17:42 |
| prdo-20210506.xsd | 5784 | 2021-05-06 16:17:42 |
| prdo-20210506_lab.xml | 18712 | 2021-05-06 16:17:42 |
| prdo-20210506_pre.xml | 11179 | 2021-05-06 16:17:42 |
| prdo-8k_20210506.htm | 39527 | 2021-05-06 16:17:42 |
| prdo-8k_20210506_htm.xml | 3427 | 2021-05-06 16:17:42 |
| prdo-ex991_6.htm | 1094130 | 2021-05-06 16:17:42 |
| R1.htm | 38633 | 2021-05-06 16:17:42 |
| report.css | 2767 | 2021-05-06 16:17:42 |
| Show.js | 1085 | 2021-05-06 16:17:42 |