Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001437749-22-003781-index-headers.html | 2022-02-18 11:53:00 | |
| 0001437749-22-003781-index.html | 2022-02-18 11:53:00 | |
| 0001437749-22-003781.txt | 2022-02-18 11:53:00 | |
 0001437749-22-003781-xbrl.zip | 16731 | 2022-02-18 11:53:00 |
| ex_335072.htm | 12995 | 2022-02-18 11:53:00 |
| FilingSummary.xml | 1821 | 2022-02-18 11:53:00 |
| Financial_Report.xlsx | 5676 | 2022-02-18 11:53:00 |
| hnrg-20220214.xsd | 3593 | 2022-02-18 11:53:00 |
| hnrg-20220214_def.xml | 11424 | 2022-02-18 11:53:00 |
| hnrg-20220214_lab.xml | 15310 | 2022-02-18 11:53:00 |
| hnrg-20220214_pre.xml | 11584 | 2022-02-18 11:53:00 |
| hnrg20220211_8k.htm | 30591 | 2022-02-18 11:53:00 |
| hnrg20220211_8k_htm.xml | 2561 | 2022-02-18 11:53:00 |
 logo.jpg | 3779 | 2022-02-18 11:53:00 |
| MetaLinks.json | 18866 | 2022-02-18 11:53:00 |
 prlogo.jpg | 7825 | 2022-02-18 11:53:00 |
| R1.htm | 38834 | 2022-02-18 11:53:00 |
| report.css | 2767 | 2022-02-18 11:53:00 |
| Show.js | 1085 | 2022-02-18 11:53:00 |