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| 0001437749-22-006045.txt | 2022-03-11 17:22:01 | |
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| FilingSummary.xml | 1859 | 2022-03-11 17:22:01 |
| Financial_Report.xlsx | 5714 | 2022-03-11 17:22:01 |
| hnrg-20220214.xsd | 3602 | 2022-03-11 17:22:01 |
| hnrg-20220214_def.xml | 11905 | 2022-03-11 17:22:01 |
| hnrg-20220214_lab.xml | 15930 | 2022-03-11 17:22:01 |
| hnrg-20220214_pre.xml | 12116 | 2022-03-11 17:22:01 |
| hnrg20220309_8ka.htm | 32572 | 2022-03-11 17:22:01 |
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| report.css | 2767 | 2022-03-11 17:22:01 |
| Show.js | 1085 | 2022-03-11 17:22:01 |