Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001104659-26-068374-index-headers.html | 2026-05-29 17:20:17 | |
| 0001104659-26-068374-index.html | 2026-05-29 17:20:17 | |
| 0001104659-26-068374.txt | 2026-05-29 17:20:17 | |
 0001104659-26-068374-xbrl.zip | 13938 | 2026-05-29 17:20:17 |
| FilingSummary.xml | 1832 | 2026-05-29 17:20:17 |
| hnrg-20260527.xsd | 3530 | 2026-05-29 17:20:17 |
| hnrg-20260527x8k.htm | 64929 | 2026-05-29 17:20:17 |
 hnrg-20260527x8k001.jpg | 3186 | 2026-05-29 17:20:17 |
| hnrg-20260527x8k_htm.xml | 4654 | 2026-05-29 17:20:17 |
| hnrg-20260527_def.xml | 2862 | 2026-05-29 17:20:17 |
| hnrg-20260527_lab.xml | 16593 | 2026-05-29 17:20:17 |
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| R1.htm | 38101 | 2026-05-29 17:20:17 |
| report.css | 2766 | 2026-05-29 17:20:17 |
| Show.js | 1085 | 2026-05-29 17:20:17 |