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| 0001140361-14-007004-index.html | 2014-02-13 16:48:01 | |
| 0001140361-14-007004.txt | 2014-02-13 16:48:01 | |
 0001140361-14-007004-xbrl.zip | 56309 | 2014-02-13 16:48:01 |
| erhe-20131231.xml | 129239 | 2014-02-13 16:48:01 |
| erhe-20131231.xsd | 26484 | 2014-02-13 16:48:01 |
| erhe-20131231_cal.xml | 49950 | 2014-02-13 16:48:01 |
| erhe-20131231_def.xml | 42682 | 2014-02-13 16:48:01 |
| erhe-20131231_lab.xml | 310311 | 2014-02-13 16:48:01 |
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| ex31_2.htm | 11032 | 2014-02-13 16:48:01 |
| ex32_1.htm | 3880 | 2014-02-13 16:48:01 |
| ex32_2.htm | 3931 | 2014-02-13 16:48:01 |
| FilingSummary.xml | 9238 | 2014-02-13 16:48:01 |
| Financial_Report.xls | 112626 | 2014-02-13 16:48:01 |
| Financial_Report.xlsx | 38766 | 2014-02-13 16:48:01 |
| form10q.htm | 459338 | 2014-02-13 16:48:01 |
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| R1.htm | 33881 | 2014-02-13 16:48:01 |
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| R11.htm | 19038 | 2014-02-13 16:48:01 |
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| R9.htm | 16977 | 2014-02-13 16:48:01 |
| report.css | 2740 | 2014-02-13 16:48:01 |
| Show.js | 1410 | 2014-02-13 16:48:01 |