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| 0001558370-25-003147-index.html | 2025-03-17 17:29:01 | |
| 0001558370-25-003147.txt | 2025-03-17 17:29:01 | |
 0001558370-25-003147-xbrl.zip | 33926 | 2025-03-17 17:29:01 |
| FilingSummary.xml | 1832 | 2025-03-17 17:29:01 |
| Financial_Report.xlsx | 5714 | 2025-03-17 17:29:01 |
| hnrg-20250317.xsd | 4125 | 2025-03-17 17:29:01 |
| hnrg-20250317x8k.htm | 30046 | 2025-03-17 17:29:01 |
 hnrg-20250317x8k001.jpg | 3186 | 2025-03-17 17:29:01 |
| hnrg-20250317x8k_htm.xml | 4654 | 2025-03-17 17:29:01 |
| hnrg-20250317xex99d1.htm | 514343 | 2025-03-17 17:29:01 |
 hnrg-20250317xex99d1001.jpg | 6560 | 2025-03-17 17:29:01 |
| hnrg-20250317_def.xml | 2862 | 2025-03-17 17:29:01 |
| hnrg-20250317_lab.xml | 16593 | 2025-03-17 17:29:01 |
| hnrg-20250317_pre.xml | 10921 | 2025-03-17 17:29:01 |
| MetaLinks.json | 17521 | 2025-03-17 17:29:01 |
| R1.htm | 38104 | 2025-03-17 17:29:01 |
| report.css | 2767 | 2025-03-17 17:29:01 |
| Show.js | 1085 | 2025-03-17 17:29:01 |