Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001725526-20-000066-index-headers.html | 2020-05-22 18:01:55 | |
| 0001725526-20-000066-index.html | 2020-05-22 18:01:55 | |
| 0001725526-20-000066.txt | 2020-05-22 18:01:55 | |
 0001725526-20-000066-xbrl.zip | 26441 | 2020-05-22 18:01:55 |
| FilingSummary.xml | 1726 | 2020-05-22 18:01:55 |
| Financial_Report.xlsx | 5773 | 2020-05-22 18:01:55 |
| hpr-05222020xex101.htm | 159399 | 2020-05-22 18:01:55 |
| hpr-20200522.htm | 43716 | 2020-05-22 18:01:55 |
| hpr-20200522.xsd | 2798 | 2020-05-22 18:01:55 |
| hpr-20200522_cal.xml | 721 | 2020-05-22 18:01:55 |
| hpr-20200522_def.xml | 1660 | 2020-05-22 18:01:55 |
| hpr-20200522_htm.xml | 10506 | 2020-05-22 18:01:55 |
| hpr-20200522_lab.xml | 24530 | 2020-05-22 18:01:55 |
| hpr-20200522_pre.xml | 12649 | 2020-05-22 18:01:55 |
| MetaLinks.json | 17989 | 2020-05-22 18:01:55 |
| R1.htm | 38611 | 2020-05-22 18:01:55 |
| report.css | 2766 | 2020-05-22 18:01:55 |
| Show.js | 1084 | 2020-05-22 18:01:55 |