Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001144204-11-011119-index-headers.html | 2011-02-25 17:12:48 | |
| 0001144204-11-011119-index.html | 2011-02-25 17:12:48 | |
| 0001144204-11-011119.txt | 2011-02-25 17:12:48 | |
 0001144204-11-011119-xbrl.zip | 79364 | 2011-02-25 17:12:48 |
| bhe-20101231.xml | 1359716 | 2011-02-25 17:12:48 |
| bhe-20101231.xsd | 17502 | 2011-02-25 17:12:48 |
| bhe-20101231_cal.xml | 42707 | 2011-02-25 17:12:48 |
| bhe-20101231_def.xml | 12736 | 2011-02-25 17:12:48 |
| bhe-20101231_lab.xml | 164282 | 2011-02-25 17:12:48 |
| bhe-20101231_pre.xml | 107512 | 2011-02-25 17:12:48 |
 chart.jpg | 38040 | 2011-02-25 17:12:48 |
| defnref.xml | 28110 | 2011-02-25 17:12:48 |
| FilingSummary.xml | 17332 | 2011-02-25 17:12:48 |
| Financial_Report.xls | 1221328 | 2011-02-25 17:12:48 |
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| R10.xml | 22214 | 2011-02-25 17:12:48 |
| R11.xml | 35327 | 2011-02-25 17:12:48 |
| R12.xml | 34469 | 2011-02-25 17:12:48 |
| R13.xml | 24516 | 2011-02-25 17:12:48 |
| R14.xml | 52386 | 2011-02-25 17:12:48 |
| R15.xml | 156989 | 2011-02-25 17:12:48 |
| R16.xml | 198102 | 2011-02-25 17:12:48 |
| R17.xml | 20330 | 2011-02-25 17:12:48 |
| R18.xml | 8751 | 2011-02-25 17:12:48 |
| R19.xml | 8650 | 2011-02-25 17:12:48 |
| R2.xml | 97371 | 2011-02-25 17:12:48 |
| R20.xml | 167991 | 2011-02-25 17:12:48 |
| R21.xml | 10234 | 2011-02-25 17:12:48 |
| R22.xml | 9362 | 2011-02-25 17:12:48 |
| R23.xml | 308445 | 2011-02-25 17:12:48 |
| R24.xml | 100032 | 2011-02-25 17:12:48 |
| R25.xml | 18909 | 2011-02-25 17:12:48 |
| R26.xml | 58345 | 2011-02-25 17:12:48 |
| R3.xml | 31071 | 2011-02-25 17:12:48 |
| R4.xml | 71011 | 2011-02-25 17:12:48 |
| R5.xml | 44728 | 2011-02-25 17:12:48 |
| R6.xml | 192575 | 2011-02-25 17:12:48 |
| R7.xml | 133730 | 2011-02-25 17:12:48 |
| R8.xml | 178707 | 2011-02-25 17:12:48 |
| R9.xml | 8362 | 2011-02-25 17:12:48 |
| v212148_10k-edgar.htm | 2285698 | 2011-02-25 17:12:48 |
| v212148_ex21.htm | 21815 | 2011-02-25 17:12:48 |
| v212148_ex23.htm | 4232 | 2011-02-25 17:12:48 |
| v212148_ex31-1.htm | 13538 | 2011-02-25 17:12:48 |
| v212148_ex31-2.htm | 13990 | 2011-02-25 17:12:48 |
| v212148_ex32-1.htm | 6003 | 2011-02-25 17:12:48 |
| v212148_ex32-2.htm | 6321 | 2011-02-25 17:12:48 |