Parent Directory| Name | Size | Last Modified |
|---|---|---|
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| 0001437749-24-033129-index.html | 2024-11-04 16:02:27 | |
| 0001437749-24-033129.txt | 2024-11-04 16:02:27 | |
 0001437749-24-033129-xbrl.zip | 31119 | 2024-11-04 16:02:27 |
 a01.jpg | 11451 | 2024-11-04 16:02:27 |
| ex_742507.htm | 437971 | 2024-11-04 16:02:27 |
| FilingSummary.xml | 1764 | 2024-11-04 16:02:27 |
| Financial_Report.xlsx | 5839 | 2024-11-04 16:02:27 |
| hpe20241101_8k.htm | 30211 | 2024-11-04 16:02:27 |
| hpe20241101_8k_htm.xml | 4622 | 2024-11-04 16:02:27 |
| hpk-20241104.xsd | 3797 | 2024-11-04 16:02:27 |
| hpk-20241104_def.xml | 13686 | 2024-11-04 16:02:27 |
| hpk-20241104_lab.xml | 17944 | 2024-11-04 16:02:27 |
| hpk-20241104_pre.xml | 13718 | 2024-11-04 16:02:27 |
| MetaLinks.json | 22301 | 2024-11-04 16:02:27 |
| R1.htm | 43978 | 2024-11-04 16:02:27 |
| report.css | 2767 | 2024-11-04 16:02:27 |
| Show.js | 1085 | 2024-11-04 16:02:27 |