Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001437749-21-025735-index-headers.html | 2021-11-08 18:29:53 | |
| 0001437749-21-025735-index.html | 2021-11-08 18:29:53 | |
| 0001437749-21-025735.txt | 2021-11-08 18:29:53 | |
 0001437749-21-025735-xbrl.zip | 19856 | 2021-11-08 18:29:53 |
| ex_287533.htm | 122984 | 2021-11-08 18:29:53 |
| FilingSummary.xml | 1811 | 2021-11-08 18:29:53 |
| Financial_Report.xlsx | 5678 | 2021-11-08 18:29:53 |
| hnrg-20211108.xsd | 3593 | 2021-11-08 18:29:53 |
| hnrg-20211108_def.xml | 11424 | 2021-11-08 18:29:53 |
| hnrg-20211108_lab.xml | 15310 | 2021-11-08 18:29:53 |
| hnrg-20211108_pre.xml | 11584 | 2021-11-08 18:29:53 |
| hnrg20210929_8k.htm | 24733 | 2021-11-08 18:29:53 |
| hnrg20210929_8k_htm.xml | 2561 | 2021-11-08 18:29:53 |
 hnrglogo.jpg | 3156 | 2021-11-08 18:29:53 |
| MetaLinks.json | 18865 | 2021-11-08 18:29:53 |
| R1.htm | 38833 | 2021-11-08 18:29:53 |
| report.css | 2767 | 2021-11-08 18:29:53 |
| Show.js | 1085 | 2021-11-08 18:29:53 |