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| 0001437749-24-014892-index.html | 2024-05-06 20:40:18 | |
| 0001437749-24-014892.txt | 2024-05-06 20:40:18 | |
 0001437749-24-014892-xbrl.zip | 33181 | 2024-05-06 20:40:18 |
| ex_617259.htm | 512926 | 2024-05-06 20:40:18 |
| FilingSummary.xml | 1811 | 2024-05-06 20:40:18 |
| Financial_Report.xlsx | 5700 | 2024-05-06 20:40:18 |
| hnrg-20240506.xsd | 3409 | 2024-05-06 20:40:18 |
| hnrg-20240506_def.xml | 11424 | 2024-05-06 20:40:18 |
| hnrg-20240506_lab.xml | 15310 | 2024-05-06 20:40:18 |
| hnrg-20240506_pre.xml | 11584 | 2024-05-06 20:40:18 |
| hnrg20240120_8k.htm | 25833 | 2024-05-06 20:40:18 |
| hnrg20240120_8k_htm.xml | 2838 | 2024-05-06 20:40:18 |
 hnrglogo.jpg | 3156 | 2024-05-06 20:40:18 |
| MetaLinks.json | 19330 | 2024-05-06 20:40:18 |
| R1.htm | 38351 | 2024-05-06 20:40:18 |
| report.css | 2767 | 2024-05-06 20:40:18 |
| Show.js | 1085 | 2024-05-06 20:40:18 |