Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001564590-21-032121-index-headers.html | 2021-06-08 16:15:44 | |
| 0001564590-21-032121-index.html | 2021-06-08 16:15:44 | |
| 0001564590-21-032121.txt | 2021-06-08 16:15:44 | |
 0001564590-21-032121-xbrl.zip | 66892 | 2021-06-08 16:15:44 |
| FilingSummary.xml | 1745 | 2021-06-08 16:15:44 |
| Financial_Report.xlsx | 5680 | 2021-06-08 16:15:44 |
| MetaLinks.json | 19255 | 2021-06-08 16:15:44 |
| prdo-20210603.xsd | 5784 | 2021-06-08 16:15:44 |
| prdo-20210603_lab.xml | 18716 | 2021-06-08 16:15:44 |
| prdo-20210603_pre.xml | 11183 | 2021-06-08 16:15:44 |
| prdo-8k_20210603.htm | 71660 | 2021-06-08 16:15:44 |
| prdo-8k_20210603_htm.xml | 3421 | 2021-06-08 16:15:44 |
| prdo-ex101_6.htm | 481180 | 2021-06-08 16:15:44 |
| R1.htm | 38629 | 2021-06-08 16:15:44 |
| report.css | 2767 | 2021-06-08 16:15:44 |
| Show.js | 1084 | 2021-06-08 16:15:44 |