Parent Directory| Name | Size | Last Modified |
|---|---|---|
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| 0001558370-25-007392-index.html | 2025-05-12 16:19:30 | |
| 0001558370-25-007392.txt | 2025-05-12 16:19:30 | |
 0001558370-25-007392-xbrl.zip | 32627 | 2025-05-12 16:19:30 |
| FilingSummary.xml | 1832 | 2025-05-12 16:19:30 |
| Financial_Report.xlsx | 5713 | 2025-05-12 16:19:30 |
| hnrg-20250512.xsd | 4126 | 2025-05-12 16:19:30 |
| hnrg-20250512x8k.htm | 30617 | 2025-05-12 16:19:30 |
 hnrg-20250512x8k001.jpg | 3186 | 2025-05-12 16:19:30 |
| hnrg-20250512x8k_htm.xml | 4654 | 2025-05-12 16:19:30 |
| hnrg-20250512xex99d1.htm | 511861 | 2025-05-12 16:19:30 |
 hnrg-20250512xex99d1001.jpg | 6560 | 2025-05-12 16:19:30 |
| hnrg-20250512_def.xml | 2863 | 2025-05-12 16:19:30 |
| hnrg-20250512_lab.xml | 16594 | 2025-05-12 16:19:30 |
| hnrg-20250512_pre.xml | 10922 | 2025-05-12 16:19:30 |
| MetaLinks.json | 17521 | 2025-05-12 16:19:30 |
| R1.htm | 38102 | 2025-05-12 16:19:30 |
| report.css | 2767 | 2025-05-12 16:19:30 |
| Show.js | 1085 | 2025-05-12 16:19:30 |