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|---|---|---|
 0001104659-26-043845-index-headers.html | 2026-04-15 17:10:38 | |
| 0001104659-26-043845-index.html | 2026-04-15 17:10:38 | |
| 0001104659-26-043845.txt | 2026-04-15 17:10:38 | |
 0001104659-26-043845-xbrl.zip | 21281 | 2026-04-15 17:10:38 |
| FilingSummary.xml | 1832 | 2026-04-15 17:10:38 |
| hnrg-20260409.xsd | 3530 | 2026-04-15 17:10:38 |
| hnrg-20260409x8k.htm | 172998 | 2026-04-15 17:10:38 |
 hnrg-20260409x8k001.jpg | 3186 | 2026-04-15 17:10:38 |
| hnrg-20260409x8k_htm.xml | 4608 | 2026-04-15 17:10:38 |
| hnrg-20260409_def.xml | 2862 | 2026-04-15 17:10:38 |
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| R1.htm | 38104 | 2026-04-15 17:10:38 |
| report.css | 2766 | 2026-04-15 17:10:38 |
| Show.js | 1085 | 2026-04-15 17:10:38 |