Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001725526-20-000055-index-headers.html | 2020-05-04 16:29:59 | |
| 0001725526-20-000055-index.html | 2020-05-04 16:29:59 | |
| 0001725526-20-000055.txt | 2020-05-04 16:29:59 | |
 0001725526-20-000055-xbrl.zip | 36815 | 2020-05-04 16:29:59 |
| FilingSummary.xml | 1729 | 2020-05-04 16:29:59 |
| Financial_Report.xlsx | 5776 | 2020-05-04 16:29:59 |
 hplogo31.jpg | 80255 | 2020-05-04 16:29:59 |
 hplogo3a011.jpg | 80255 | 2020-05-04 16:29:59 |
| hpr-03312020x8kxex991.htm | 465564 | 2020-05-04 16:29:59 |
| hpr-20200504.htm | 45071 | 2020-05-04 16:29:59 |
| hpr-20200504.xsd | 2798 | 2020-05-04 16:29:59 |
| hpr-20200504_cal.xml | 721 | 2020-05-04 16:29:59 |
| hpr-20200504_def.xml | 1660 | 2020-05-04 16:29:59 |
| hpr-20200504_htm.xml | 10993 | 2020-05-04 16:29:59 |
| hpr-20200504_lab.xml | 24530 | 2020-05-04 16:29:59 |
| hpr-20200504_pre.xml | 12649 | 2020-05-04 16:29:59 |
| MetaLinks.json | 17989 | 2020-05-04 16:29:59 |
| R1.htm | 38612 | 2020-05-04 16:29:59 |
| report.css | 2767 | 2020-05-04 16:29:59 |
| Show.js | 1085 | 2020-05-04 16:29:59 |