Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001437749-24-019178-index-headers.html | 2024-06-04 16:01:55 | |
| 0001437749-24-019178-index.html | 2024-06-04 16:01:55 | |
| 0001437749-24-019178.txt | 2024-06-04 16:01:55 | |
 0001437749-24-019178-xbrl.zip | 10224 | 2024-06-04 16:01:55 |
| FilingSummary.xml | 1769 | 2024-06-04 16:01:55 |
| Financial_Report.xlsx | 5839 | 2024-06-04 16:01:55 |
| hpe20240604_8k.htm | 32356 | 2024-06-04 16:01:55 |
| hpe20240604_8k_htm.xml | 4621 | 2024-06-04 16:01:55 |
| hpk-20240604.xsd | 3796 | 2024-06-04 16:01:55 |
| hpk-20240604_def.xml | 13685 | 2024-06-04 16:01:55 |
| hpk-20240604_lab.xml | 17943 | 2024-06-04 16:01:55 |
| hpk-20240604_pre.xml | 13717 | 2024-06-04 16:01:55 |
| MetaLinks.json | 22417 | 2024-06-04 16:01:55 |
| R1.htm | 43983 | 2024-06-04 16:01:55 |
| report.css | 2767 | 2024-06-04 16:01:55 |
| Show.js | 1084 | 2024-06-04 16:01:55 |