Parent Directory| Name | Size | Last Modified |
|---|---|---|
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| 0001144204-11-027612-index.html | 2011-05-10 15:20:24 | |
| 0001144204-11-027612.txt | 2011-05-10 15:20:24 | |
 0001144204-11-027612-xbrl.zip | 53043 | 2011-05-10 15:20:24 |
| bhe-20110331.xml | 645272 | 2011-05-10 15:20:24 |
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| v219601_10q.htm | 809004 | 2011-05-10 15:20:24 |
| v219601_ex31-1.htm | 14987 | 2011-05-10 15:20:24 |
| v219601_ex31-2.htm | 14927 | 2011-05-10 15:20:24 |
| v219601_ex32-1.htm | 6521 | 2011-05-10 15:20:24 |
| v219601_ex32-2.htm | 6521 | 2011-05-10 15:20:24 |