Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001564590-20-027859-index-headers.html | 2020-06-01 16:15:52 | |
| 0001564590-20-027859-index.html | 2020-06-01 16:15:52 | |
| 0001564590-20-027859.txt | 2020-06-01 16:15:52 | |
 0001564590-20-027859-xbrl.zip | 18390 | 2020-06-01 16:15:52 |
| FilingSummary.xml | 1745 | 2020-06-01 16:15:52 |
| Financial_Report.xlsx | 5790 | 2020-06-01 16:15:52 |
| MetaLinks.json | 19255 | 2020-06-01 16:15:52 |
| prdo-20200528.xsd | 5784 | 2020-06-01 16:15:52 |
| prdo-20200528_lab.xml | 18716 | 2020-06-01 16:15:52 |
| prdo-20200528_pre.xml | 11183 | 2020-06-01 16:15:52 |
| prdo-8k_20200528.htm | 65034 | 2020-06-01 16:15:52 |
| prdo-8k_20200528_htm.xml | 3421 | 2020-06-01 16:15:52 |
| prdo-ex101_6.htm | 44821 | 2020-06-01 16:15:52 |
| R1.htm | 38622 | 2020-06-01 16:15:52 |
| report.css | 2766 | 2020-06-01 16:15:52 |
| Show.js | 1084 | 2020-06-01 16:15:52 |