Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001564590-20-010069-index-headers.html | 2020-03-11 16:15:58 | |
| 0001564590-20-010069-index.html | 2020-03-11 16:15:58 | |
| 0001564590-20-010069.txt | 2020-03-11 16:15:58 | |
 0001564590-20-010069-xbrl.zip | 17310 | 2020-03-11 16:15:58 |
| FilingSummary.xml | 1745 | 2020-03-11 16:15:58 |
| Financial_Report.xlsx | 5793 | 2020-03-11 16:15:58 |
 gmzhz53lclgh000001.jpg | 7135 | 2020-03-11 16:15:58 |
 gmzhz53lclgh000002.jpg | 37520 | 2020-03-11 16:15:58 |
| MetaLinks.json | 19255 | 2020-03-11 16:15:58 |
| prdo-20200305.xsd | 5784 | 2020-03-11 16:15:58 |
| prdo-20200305_lab.xml | 18716 | 2020-03-11 16:15:58 |
| prdo-20200305_pre.xml | 11183 | 2020-03-11 16:15:58 |
| prdo-8k_20200305.htm | 42194 | 2020-03-11 16:15:58 |
| prdo-8k_20200305_htm.xml | 3421 | 2020-03-11 16:15:58 |
| prdo-ex101_6.htm | 55682 | 2020-03-11 16:15:58 |
| R1.htm | 38625 | 2020-03-11 16:15:58 |
| report.css | 2767 | 2020-03-11 16:15:58 |
| Show.js | 1084 | 2020-03-11 16:15:58 |