Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001104659-26-070122-index-headers.html | 2026-06-03 16:30:28 | |
| 0001104659-26-070122-index.html | 2026-06-03 16:30:28 | |
| 0001104659-26-070122.txt | 2026-06-03 16:30:28 | |
 0001104659-26-070122-xbrl.zip | 13275 | 2026-06-03 16:30:28 |
| FilingSummary.xml | 1832 | 2026-06-03 16:30:28 |
| hnrg-20260528.xsd | 3528 | 2026-06-03 16:30:28 |
| hnrg-20260528x8k.htm | 38552 | 2026-06-03 16:30:28 |
 hnrg-20260528x8k001.jpg | 3186 | 2026-06-03 16:30:28 |
| hnrg-20260528x8k_htm.xml | 4654 | 2026-06-03 16:30:28 |
| hnrg-20260528_def.xml | 2860 | 2026-06-03 16:30:28 |
| hnrg-20260528_lab.xml | 16591 | 2026-06-03 16:30:28 |
| hnrg-20260528_pre.xml | 10919 | 2026-06-03 16:30:28 |
| MetaLinks.json | 17493 | 2026-06-03 16:30:28 |
| R1.htm | 38101 | 2026-06-03 16:30:28 |
| report.css | 2766 | 2026-06-03 16:30:28 |
| Show.js | 1085 | 2026-06-03 16:30:28 |