Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001437749-22-015032-index-headers.html | 2022-06-15 12:09:00 | |
| 0001437749-22-015032-index.html | 2022-06-15 12:09:00 | |
| 0001437749-22-015032.txt | 2022-06-15 12:09:00 | |
 0001437749-22-015032-xbrl.zip | 14359 | 2022-06-15 12:09:00 |
| FilingSummary.xml | 1789 | 2022-06-15 12:09:00 |
| Financial_Report.xlsx | 5679 | 2022-06-15 12:09:00 |
| hnrg-20220609.xsd | 3601 | 2022-06-15 12:09:00 |
| hnrg-20220609_def.xml | 11532 | 2022-06-15 12:09:00 |
| hnrg-20220609_lab.xml | 15414 | 2022-06-15 12:09:00 |
| hnrg-20220609_pre.xml | 11688 | 2022-06-15 12:09:00 |
| hnrg20220601_8k.htm | 42922 | 2022-06-15 12:09:00 |
| hnrg20220601_8k_htm.xml | 2563 | 2022-06-15 12:09:00 |
 logo.jpg | 3779 | 2022-06-15 12:09:00 |
| MetaLinks.json | 18921 | 2022-06-15 12:09:00 |
| R1.htm | 38957 | 2022-06-15 12:09:00 |
| report.css | 2767 | 2022-06-15 12:09:00 |
| Show.js | 1085 | 2022-06-15 12:09:00 |