Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001437749-24-006894-index-headers.html | 2024-03-07 06:26:28 | |
| 0001437749-24-006894-index.html | 2024-03-07 06:26:28 | |
| 0001437749-24-006894.txt | 2024-03-07 06:26:28 | |
 0001437749-24-006894-xbrl.zip | 11104 | 2024-03-07 06:26:28 |
| ex_635660.htm | 14213 | 2024-03-07 06:26:28 |
| FilingSummary.xml | 1766 | 2024-03-07 06:26:28 |
| Financial_Report.xlsx | 5839 | 2024-03-07 06:26:28 |
| hpe20240301_8k.htm | 29680 | 2024-03-07 06:26:28 |
| hpe20240301_8k_htm.xml | 4621 | 2024-03-07 06:26:28 |
| hpk-20240307.xsd | 3796 | 2024-03-07 06:26:28 |
| hpk-20240307_def.xml | 13685 | 2024-03-07 06:26:28 |
| hpk-20240307_lab.xml | 17943 | 2024-03-07 06:26:28 |
| hpk-20240307_pre.xml | 13717 | 2024-03-07 06:26:28 |
| MetaLinks.json | 22301 | 2024-03-07 06:26:28 |
| R1.htm | 43981 | 2024-03-07 06:26:28 |
| report.css | 2767 | 2024-03-07 06:26:28 |
| Show.js | 1085 | 2024-03-07 06:26:28 |
 slide01.jpg | 120546 | 2024-03-07 06:26:28 |
 slide02.jpg | 191369 | 2024-03-07 06:26:28 |
 slide03.jpg | 125701 | 2024-03-07 06:26:28 |
 slide04.jpg | 108264 | 2024-03-07 06:26:28 |
 slide05.jpg | 90728 | 2024-03-07 06:26:28 |
 slide06.jpg | 145117 | 2024-03-07 06:26:28 |
 slide07.jpg | 84182 | 2024-03-07 06:26:28 |
 slide08.jpg | 113758 | 2024-03-07 06:26:28 |
 slide09.jpg | 115249 | 2024-03-07 06:26:28 |
 slide10.jpg | 91615 | 2024-03-07 06:26:28 |
 slide11.jpg | 81983 | 2024-03-07 06:26:28 |
 slide12.jpg | 119215 | 2024-03-07 06:26:28 |
 slide13.jpg | 91979 | 2024-03-07 06:26:28 |
 slide14.jpg | 121320 | 2024-03-07 06:26:28 |
 slide15.jpg | 150381 | 2024-03-07 06:26:28 |
 slide16.jpg | 102770 | 2024-03-07 06:26:28 |
 slide17.jpg | 58419 | 2024-03-07 06:26:28 |
 slide18.jpg | 84304 | 2024-03-07 06:26:28 |
 slide19.jpg | 73251 | 2024-03-07 06:26:28 |
 slide20.jpg | 101844 | 2024-03-07 06:26:28 |
 slide21.jpg | 125125 | 2024-03-07 06:26:28 |
 slide22.jpg | 87691 | 2024-03-07 06:26:28 |