Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001104659-26-097263-index-headers.html | 2026-08-14 16:35:27 | |
| 0001104659-26-097263-index.html | 2026-08-14 16:35:27 | |
| 0001104659-26-097263.txt | 2026-08-14 16:35:27 | |
 0001104659-26-097263-xbrl.zip | 20072 | 2026-08-14 16:35:27 |
| FilingSummary.xml | 1832 | 2026-08-14 16:35:27 |
| hnrg-20260811.xsd | 3530 | 2026-08-14 16:35:27 |
| hnrg-20260811x8k.htm | 43526 | 2026-08-14 16:35:27 |
 hnrg-20260811x8k001.jpg | 3186 | 2026-08-14 16:35:27 |
| hnrg-20260811x8k_htm.xml | 4654 | 2026-08-14 16:35:27 |
| hnrg-20260811xex10d1.htm | 39859 | 2026-08-14 16:35:27 |
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| hnrg-20260811_def.xml | 2862 | 2026-08-14 16:35:27 |
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| R1.htm | 38104 | 2026-08-14 16:35:27 |
| report.css | 2767 | 2026-08-14 16:35:27 |
| Show.js | 1085 | 2026-08-14 16:35:27 |