Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001564590-21-008096-index-headers.html | 2021-02-24 16:14:44 | |
| 0001564590-21-008096-index.html | 2021-02-24 16:14:44 | |
| 0001564590-21-008096.txt | 2021-02-24 16:14:44 | |
 0001564590-21-008096-xbrl.zip | 62863 | 2021-02-24 16:14:44 |
| FilingSummary.xml | 1745 | 2021-02-24 16:14:44 |
| Financial_Report.xlsx | 5479 | 2021-02-24 16:14:44 |
 glcdab0zi2t3000001.jpg | 15104 | 2021-02-24 16:14:44 |
| MetaLinks.json | 19251 | 2021-02-24 16:14:44 |
| prdo-20210224.xsd | 5784 | 2021-02-24 16:14:44 |
| prdo-20210224_lab.xml | 18712 | 2021-02-24 16:14:44 |
| prdo-20210224_pre.xml | 11179 | 2021-02-24 16:14:44 |
| prdo-8k_20210224.htm | 39362 | 2021-02-24 16:14:44 |
| prdo-8k_20210224_htm.xml | 3427 | 2021-02-24 16:14:44 |
| prdo-ex991_6.htm | 1950114 | 2021-02-24 16:14:44 |
| R1.htm | 38634 | 2021-02-24 16:14:44 |
| report.css | 2767 | 2021-02-24 16:14:44 |
| Show.js | 1085 | 2021-02-24 16:14:44 |