Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001437749-23-022382-index-headers.html | 2023-08-08 06:07:55 | |
| 0001437749-23-022382-index.html | 2023-08-08 06:07:55 | |
| 0001437749-23-022382.txt | 2023-08-08 06:07:55 | |
 0001437749-23-022382-xbrl.zip | 20880 | 2023-08-08 06:07:55 |
| ex_528709.htm | 129116 | 2023-08-08 06:07:55 |
| FilingSummary.xml | 1822 | 2023-08-08 06:07:55 |
| Financial_Report.xlsx | 5700 | 2023-08-08 06:07:55 |
| hnrg-20230807.xsd | 3408 | 2023-08-08 06:07:55 |
| hnrg-20230807_def.xml | 11423 | 2023-08-08 06:07:55 |
| hnrg-20230807_lab.xml | 15309 | 2023-08-08 06:07:55 |
| hnrg-20230807_pre.xml | 11583 | 2023-08-08 06:07:55 |
| hnrg20230601_8k.htm | 24122 | 2023-08-08 06:07:55 |
| hnrg20230601_8k_htm.xml | 2561 | 2023-08-08 06:07:55 |
 hnrglogo.jpg | 3156 | 2023-08-08 06:07:55 |
| MetaLinks.json | 19330 | 2023-08-08 06:07:55 |
| R1.htm | 38350 | 2023-08-08 06:07:55 |
| report.css | 2767 | 2023-08-08 06:07:55 |
| Show.js | 1085 | 2023-08-08 06:07:55 |