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| 0001104659-23-126645-index.html | 2023-12-18 08:37:41 | |
| 0001104659-23-126645.txt | 2023-12-18 08:37:41 | |
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| FilingSummary.xml | 1708 | 2023-12-18 08:37:41 |
| Financial_Report.xlsx | 5683 | 2023-12-18 08:37:41 |
| hnrg-20231218.xsd | 3033 | 2023-12-18 08:37:41 |
| hnrg-20231218_lab.xml | 34240 | 2023-12-18 08:37:41 |
| hnrg-20231218_pre.xml | 22371 | 2023-12-18 08:37:41 |
| MetaLinks.json | 39548 | 2023-12-18 08:37:41 |
| R1.htm | 38084 | 2023-12-18 08:37:41 |
| report.css | 2767 | 2023-12-18 08:37:41 |
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| tm2333092d1_8k.htm | 28581 | 2023-12-18 08:37:41 |
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| tm2333092d1_8k_htm.xml | 3210 | 2023-12-18 08:37:41 |
| tm2333092d1_ex1-1.htm | 273116 | 2023-12-18 08:37:41 |
| tm2333092d1_ex5-1.htm | 10470 | 2023-12-18 08:37:41 |