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|---|---|---|
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| 0001437749-23-030473-index.html | 2023-11-07 06:30:23 | |
| 0001437749-23-030473.txt | 2023-11-07 06:30:23 | |
 0001437749-23-030473-xbrl.zip | 10968 | 2023-11-07 06:30:23 |
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| ex_592350.htm | 11717 | 2023-11-07 06:30:23 |
| FilingSummary.xml | 1767 | 2023-11-07 06:30:23 |
| Financial_Report.xlsx | 5839 | 2023-11-07 06:30:23 |
| hpe20231103c_8k.htm | 29506 | 2023-11-07 06:30:23 |
| hpe20231103c_8k_htm.xml | 4221 | 2023-11-07 06:30:23 |
| hpk-20231107.xsd | 3798 | 2023-11-07 06:30:23 |
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| R1.htm | 43979 | 2023-11-07 06:30:23 |
| report.css | 2767 | 2023-11-07 06:30:23 |
| Show.js | 1085 | 2023-11-07 06:30:23 |