Parent Directory| Name | Size | Last Modified |
|---|---|---|
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| 0001140361-12-006236-index.html | 2012-02-08 15:27:48 | |
| 0001140361-12-006236.txt | 2012-02-08 15:27:48 | |
 0001140361-12-006236-xbrl.zip | 38748 | 2012-02-08 15:27:48 |
| erhe-20111231.xml | 191895 | 2012-02-08 15:27:48 |
| erhe-20111231.xsd | 11926 | 2012-02-08 15:27:48 |
| erhe-20111231_cal.xml | 48678 | 2012-02-08 15:27:48 |
| erhe-20111231_lab.xml | 163211 | 2012-02-08 15:27:48 |
| erhe-20111231_pre.xml | 88887 | 2012-02-08 15:27:48 |
| ex31_1.htm | 12960 | 2012-02-08 15:27:48 |
| ex31_2.htm | 14890 | 2012-02-08 15:27:48 |
| ex32_1.htm | 5251 | 2012-02-08 15:27:48 |
| ex32_2.htm | 5253 | 2012-02-08 15:27:48 |
| FilingSummary.xml | 7111 | 2012-02-08 15:27:48 |
| Financial_Report.xls | 166947 | 2012-02-08 15:27:48 |
| form10-q.htm | 704091 | 2012-02-08 15:27:48 |
 logo.jpg | 3319 | 2012-02-08 15:27:48 |
 page15.jpg | 88873 | 2012-02-08 15:27:48 |
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 page18.jpg | 76215 | 2012-02-08 15:27:48 |
| R1.htm | 35356 | 2012-02-08 15:27:48 |
| R10.htm | 15162 | 2012-02-08 15:27:48 |
| R11.htm | 12191 | 2012-02-08 15:27:48 |
| R12.htm | 5985 | 2012-02-08 15:27:48 |
| R2.htm | 89595 | 2012-02-08 15:27:48 |
| R3.htm | 29744 | 2012-02-08 15:27:48 |
| R4.htm | 84374 | 2012-02-08 15:27:48 |
| R5.htm | 21859 | 2012-02-08 15:27:48 |
| R6.htm | 162598 | 2012-02-08 15:27:48 |
| R7.htm | 13605 | 2012-02-08 15:27:48 |
| R8.htm | 80874 | 2012-02-08 15:27:48 |
| R9.htm | 46015 | 2012-02-08 15:27:48 |
| report.css | 2721 | 2012-02-08 15:27:48 |
| Show.js | 6423 | 2012-02-08 15:27:48 |