Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001564590-20-005286-index-headers.html | 2020-02-19 16:14:48 | |
| 0001564590-20-005286-index.html | 2020-02-19 16:14:48 | |
| 0001564590-20-005286.txt | 2020-02-19 16:14:48 | |
 0001564590-20-005286-xbrl.zip | 63860 | 2020-02-19 16:14:48 |
| FilingSummary.xml | 1750 | 2020-02-19 16:14:48 |
| Financial_Report.xlsx | 5815 | 2020-02-19 16:14:48 |
 gpxc523v5z4n000001.jpg | 3532 | 2020-02-19 16:14:48 |
| MetaLinks.json | 19315 | 2020-02-19 16:14:48 |
| prdo-20200219.xsd | 5976 | 2020-02-19 16:14:48 |
| prdo-20200219_lab.xml | 18712 | 2020-02-19 16:14:48 |
| prdo-20200219_pre.xml | 11179 | 2020-02-19 16:14:48 |
| prdo-8k_20200219.htm | 39723 | 2020-02-19 16:14:48 |
| prdo-8k_20200219_htm.xml | 3427 | 2020-02-19 16:14:48 |
| prdo-ex991_9.htm | 1952511 | 2020-02-19 16:14:48 |
| R1.htm | 38635 | 2020-02-19 16:14:48 |
| report.css | 2767 | 2020-02-19 16:14:48 |
| Show.js | 1084 | 2020-02-19 16:14:48 |