Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001437749-21-019214-index-headers.html | 2021-08-09 20:04:44 | |
| 0001437749-21-019214-index.html | 2021-08-09 20:04:44 | |
| 0001437749-21-019214.txt | 2021-08-09 20:04:44 | |
 0001437749-21-019214-xbrl.zip | 19304 | 2021-08-09 20:04:44 |
| ex_246559.htm | 116492 | 2021-08-09 20:04:44 |
| FilingSummary.xml | 1811 | 2021-08-09 20:04:44 |
| Financial_Report.xlsx | 5677 | 2021-08-09 20:04:44 |
| hnrg-20210809.xsd | 3593 | 2021-08-09 20:04:44 |
| hnrg-20210809_def.xml | 11424 | 2021-08-09 20:04:44 |
| hnrg-20210809_lab.xml | 15310 | 2021-08-09 20:04:44 |
| hnrg-20210809_pre.xml | 11584 | 2021-08-09 20:04:44 |
| hnrg20210504_8k.htm | 24672 | 2021-08-09 20:04:44 |
| hnrg20210504_8k_htm.xml | 2561 | 2021-08-09 20:04:44 |
 hnrglogo.jpg | 3156 | 2021-08-09 20:04:44 |
| MetaLinks.json | 19030 | 2021-08-09 20:04:44 |
| R1.htm | 38833 | 2021-08-09 20:04:44 |
| report.css | 2767 | 2021-08-09 20:04:44 |
| Show.js | 1085 | 2021-08-09 20:04:44 |