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|---|---|---|
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| 0000788965-13-000006-index.html | 2013-03-06 20:28:51 | |
| 0000788965-13-000006.txt | 2013-03-06 20:28:51 | |
 0000788965-13-000006-xbrl.zip | 80636 | 2013-03-06 20:28:51 |
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| exh31wab.htm | 13336 | 2013-03-06 20:28:51 |
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| Financial_Report.xls | 454237 | 2013-03-06 20:28:51 |
 form10k20111.jpg | 996 | 2013-03-06 20:28:51 |
| form10k2012.htm | 854088 | 2013-03-06 20:28:51 |
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| hnrg-20121231.xml | 509986 | 2013-03-06 20:28:51 |
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| R9.htm | 43608 | 2013-03-06 20:28:51 |
| report.css | 2721 | 2013-03-06 20:28:51 |
| Show.js | 6423 | 2013-03-06 20:28:51 |