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| 0001437749-24-022186-index.html | 2024-07-03 16:31:14 | |
| 0001437749-24-022186.txt | 2024-07-03 16:31:14 | |
 0001437749-24-022186-xbrl.zip | 11269 | 2024-07-03 16:31:14 |
| FilingSummary.xml | 1821 | 2024-07-03 16:31:14 |
| Financial_Report.xlsx | 5698 | 2024-07-03 16:31:14 |
| hnrg-20240628.xsd | 3408 | 2024-07-03 16:31:14 |
| hnrg-20240628_def.xml | 11423 | 2024-07-03 16:31:14 |
| hnrg-20240628_lab.xml | 15309 | 2024-07-03 16:31:14 |
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| hnrg20240702_8k.htm | 22732 | 2024-07-03 16:31:14 |
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| hnrg20240702_8k_htm.xml | 2838 | 2024-07-03 16:31:14 |
| MetaLinks.json | 19330 | 2024-07-03 16:31:14 |
| R1.htm | 38349 | 2024-07-03 16:31:14 |
| report.css | 2767 | 2024-07-03 16:31:14 |
| Show.js | 1085 | 2024-07-03 16:31:14 |