Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001437749-22-027318-index-headers.html | 2022-11-14 16:33:56 | |
| 0001437749-22-027318-index.html | 2022-11-14 16:33:56 | |
| 0001437749-22-027318.txt | 2022-11-14 16:33:56 | |
 0001437749-22-027318-xbrl.zip | 158235 | 2022-11-14 16:33:56 |
| ex_418191.htm | 11198 | 2022-11-14 16:33:56 |
| ex_418192.htm | 11045 | 2022-11-14 16:33:56 |
| ex_418193.htm | 11029 | 2022-11-14 16:33:56 |
| ex_418194.htm | 11271 | 2022-11-14 16:33:56 |
| ex_418195.htm | 125647 | 2022-11-14 16:33:56 |
| ex_441870.htm | 104436 | 2022-11-14 16:33:56 |
| FilingSummary.xml | 34515 | 2022-11-14 16:33:56 |
| Financial_Report.xlsx | 62343 | 2022-11-14 16:33:56 |
| hnrg-20220930.xsd | 48820 | 2022-11-14 16:33:56 |
| hnrg-20220930_cal.xml | 51605 | 2022-11-14 16:33:56 |
| hnrg-20220930_def.xml | 375749 | 2022-11-14 16:33:56 |
| hnrg-20220930_lab.xml | 311067 | 2022-11-14 16:33:56 |
| hnrg-20220930_pre.xml | 395742 | 2022-11-14 16:33:56 |
| hnrg20220930_10q.htm | 909568 | 2022-11-14 16:33:56 |
| hnrg20220930_10q_htm.xml | 510282 | 2022-11-14 16:33:56 |
 logo.jpg | 3779 | 2022-11-14 16:33:56 |
| MetaLinks.json | 572211 | 2022-11-14 16:33:56 |
| R1.htm | 51800 | 2022-11-14 16:33:56 |
| R10.htm | 11672 | 2022-11-14 16:33:56 |
| R11.htm | 45484 | 2022-11-14 16:33:56 |
| R12.htm | 20001 | 2022-11-14 16:33:56 |
| R13.htm | 17734 | 2022-11-14 16:33:56 |
| R14.htm | 9354 | 2022-11-14 16:33:56 |
| R15.htm | 17916 | 2022-11-14 16:33:56 |
| R16.htm | 34573 | 2022-11-14 16:33:56 |
| R17.htm | 5655 | 2022-11-14 16:33:56 |
| R18.htm | 24931 | 2022-11-14 16:33:56 |
| R19.htm | 6304 | 2022-11-14 16:33:56 |
| R2.htm | 125655 | 2022-11-14 16:33:56 |
| R20.htm | 12492 | 2022-11-14 16:33:56 |
| R21.htm | 8452 | 2022-11-14 16:33:56 |
| R22.htm | 11091 | 2022-11-14 16:33:56 |
| R23.htm | 29021 | 2022-11-14 16:33:56 |
| R24.htm | 19235 | 2022-11-14 16:33:56 |
| R25.htm | 15872 | 2022-11-14 16:33:56 |
| R26.htm | 33723 | 2022-11-14 16:33:56 |
| R27.htm | 22757 | 2022-11-14 16:33:56 |
| R28.htm | 10235 | 2022-11-14 16:33:56 |
| R29.htm | 3491 | 2022-11-14 16:33:56 |
| R3.htm | 18069 | 2022-11-14 16:33:56 |
| R30.htm | 3146 | 2022-11-14 16:33:56 |
| R31.htm | 6535 | 2022-11-14 16:33:56 |
| R32.htm | 58496 | 2022-11-14 16:33:56 |
| R33.htm | 21524 | 2022-11-14 16:33:56 |
| R34.htm | 7933 | 2022-11-14 16:33:56 |
| R35.htm | 20954 | 2022-11-14 16:33:56 |
| R36.htm | 11300 | 2022-11-14 16:33:56 |
| R37.htm | 12634 | 2022-11-14 16:33:56 |
| R38.htm | 3225 | 2022-11-14 16:33:56 |
| R39.htm | 13226 | 2022-11-14 16:33:56 |
| R4.htm | 106067 | 2022-11-14 16:33:56 |
| R40.htm | 9178 | 2022-11-14 16:33:56 |
| R41.htm | 8596 | 2022-11-14 16:33:56 |
| R42.htm | 8963 | 2022-11-14 16:33:56 |
| R43.htm | 8330 | 2022-11-14 16:33:56 |
| R44.htm | 20665 | 2022-11-14 16:33:56 |
| R45.htm | 13215 | 2022-11-14 16:33:56 |
| R46.htm | 9627 | 2022-11-14 16:33:56 |
| R47.htm | 10837 | 2022-11-14 16:33:56 |
| R48.htm | 8986 | 2022-11-14 16:33:56 |
| R49.htm | 7489 | 2022-11-14 16:33:56 |
| R5.htm | 122855 | 2022-11-14 16:33:56 |
| R50.htm | 36442 | 2022-11-14 16:33:56 |
| R51.htm | 21853 | 2022-11-14 16:33:56 |
| R6.htm | 62776 | 2022-11-14 16:33:56 |
| R7.htm | 11033 | 2022-11-14 16:33:56 |
| R8.htm | 5850 | 2022-11-14 16:33:56 |
| R9.htm | 5409 | 2022-11-14 16:33:56 |
| report.css | 2767 | 2022-11-14 16:33:56 |
| Show.js | 1085 | 2022-11-14 16:33:56 |