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| 0001140361-17-008336-index.html | 2017-02-21 16:24:50 | |
| 0001140361-17-008336.txt | 2017-02-21 16:24:50 | |
 0001140361-17-008336-xbrl.zip | 86768 | 2017-02-21 16:24:50 |
| erhe-20161231.xml | 566691 | 2017-02-21 16:24:50 |
| erhe-20161231.xsd | 32496 | 2017-02-21 16:24:50 |
| erhe-20161231_cal.xml | 36805 | 2017-02-21 16:24:50 |
| erhe-20161231_def.xml | 100211 | 2017-02-21 16:24:50 |
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| ex31_1.htm | 11332 | 2017-02-21 16:24:50 |
| ex31_2.htm | 11466 | 2017-02-21 16:24:50 |
| ex32_1.htm | 4166 | 2017-02-21 16:24:50 |
| ex32_2.htm | 4190 | 2017-02-21 16:24:50 |
| FilingSummary.xml | 18882 | 2017-02-21 16:24:50 |
| Financial_Report.xlsx | 41499 | 2017-02-21 16:24:50 |
| form10q.htm | 603440 | 2017-02-21 16:24:50 |
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| R9.htm | 5198 | 2017-02-21 16:24:50 |
| report.css | 2767 | 2017-02-21 16:24:50 |
| Show.js | 1410 | 2017-02-21 16:24:50 |