Parent Directory| Name | Size | Last Modified |
|---|---|---|
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| 0001104659-26-025346-index.html | 2026-03-09 17:25:32 | |
| 0001104659-26-025346.txt | 2026-03-09 17:25:32 | |
 0001104659-26-025346-xbrl.zip | 18031 | 2026-03-09 17:25:32 |
| FilingSummary.xml | 1832 | 2026-03-09 17:25:32 |
| hnrg-20260306.xsd | 3528 | 2026-03-09 17:25:32 |
| hnrg-20260306x8k.htm | 41621 | 2026-03-09 17:25:32 |
 hnrg-20260306x8k001.jpg | 3186 | 2026-03-09 17:25:32 |
| hnrg-20260306x8k_htm.xml | 4608 | 2026-03-09 17:25:32 |
| hnrg-20260306xex99.htm | 14796 | 2026-03-09 17:25:32 |
 hnrg-20260306xex99001.jpg | 6560 | 2026-03-09 17:25:32 |
| hnrg-20260306_def.xml | 2860 | 2026-03-09 17:25:32 |
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| R1.htm | 38105 | 2026-03-09 17:25:32 |
| report.css | 2767 | 2026-03-09 17:25:32 |
| Show.js | 1085 | 2026-03-09 17:25:32 |