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|---|---|---|
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| 0001437749-24-024715-index.html | 2024-08-06 06:30:17 | |
| 0001437749-24-024715.txt | 2024-08-06 06:30:17 | |
 0001437749-24-024715-xbrl.zip | 11047 | 2024-08-06 06:30:17 |
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| ex_708717.htm | 11717 | 2024-08-06 06:30:17 |
| FilingSummary.xml | 1770 | 2024-08-06 06:30:17 |
| Financial_Report.xlsx | 5839 | 2024-08-06 06:30:17 |
| hpe20240729c_8k.htm | 29907 | 2024-08-06 06:30:17 |
| hpe20240729c_8k_htm.xml | 4621 | 2024-08-06 06:30:17 |
| hpk-20240806.xsd | 3796 | 2024-08-06 06:30:17 |
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| R1.htm | 43982 | 2024-08-06 06:30:17 |
| report.css | 2767 | 2024-08-06 06:30:17 |
| Show.js | 1085 | 2024-08-06 06:30:17 |