Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001558370-25-008332-index-headers.html | 2025-06-02 13:58:05 | |
| 0001558370-25-008332-index.html | 2025-06-02 13:58:05 | |
| 0001558370-25-008332.txt | 2025-06-02 13:58:05 | |
 0001558370-25-008332-xbrl.zip | 15627 | 2025-06-02 13:58:05 |
| FilingSummary.xml | 1832 | 2025-06-02 13:58:05 |
| hnrg-20250529.xsd | 4124 | 2025-06-02 13:58:05 |
| hnrg-20250529x8k.htm | 75262 | 2025-06-02 13:58:05 |
 hnrg-20250529x8k001.jpg | 3186 | 2025-06-02 13:58:05 |
| hnrg-20250529x8k_htm.xml | 4654 | 2025-06-02 13:58:05 |
| hnrg-20250529_def.xml | 2861 | 2025-06-02 13:58:05 |
| hnrg-20250529_lab.xml | 16592 | 2025-06-02 13:58:05 |
| hnrg-20250529_pre.xml | 10920 | 2025-06-02 13:58:05 |
| MetaLinks.json | 17521 | 2025-06-02 13:58:05 |
| R1.htm | 38101 | 2025-06-02 13:58:05 |
| report.css | 2767 | 2025-06-02 13:58:05 |
| Show.js | 1084 | 2025-06-02 13:58:05 |