Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001437749-21-010656-index-headers.html | 2021-05-03 17:58:23 | |
| 0001437749-21-010656-index.html | 2021-05-03 17:58:23 | |
| 0001437749-21-010656.txt | 2021-05-03 17:58:23 | |
 0001437749-21-010656-xbrl.zip | 18053 | 2021-05-03 17:58:23 |
| ex_241906.htm | 82624 | 2021-05-03 17:58:23 |
| FilingSummary.xml | 1817 | 2021-05-03 17:58:23 |
| Financial_Report.xlsx | 5678 | 2021-05-03 17:58:23 |
| hnrg-20210503.xsd | 3699 | 2021-05-03 17:58:23 |
| hnrg-20210503_def.xml | 11585 | 2021-05-03 17:58:23 |
| hnrg-20210503_lab.xml | 15465 | 2021-05-03 17:58:23 |
| hnrg-20210503_pre.xml | 11739 | 2021-05-03 17:58:23 |
| hnrg20210419_8k.htm | 24703 | 2021-05-03 17:58:23 |
| hnrg20210419_8k_htm.xml | 2567 | 2021-05-03 17:58:23 |
 hnrglogo.jpg | 3156 | 2021-05-03 17:58:23 |
| MetaLinks.json | 19359 | 2021-05-03 17:58:23 |
| R1.htm | 38870 | 2021-05-03 17:58:23 |
| report.css | 2767 | 2021-05-03 17:58:23 |
| Show.js | 1085 | 2021-05-03 17:58:23 |