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| 0000863436-18-000015-index.html | 2018-05-09 15:08:24 | |
| 0000863436-18-000015.txt | 2018-05-09 15:08:24 | |
 0000863436-18-000015-xbrl.zip | 177635 | 2018-05-09 15:08:24 |
| bhe-20180331.xml | 1845460 | 2018-05-09 15:08:24 |
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| Financial_Report.xlsx | 80079 | 2018-05-09 15:08:24 |
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| report.css | 2767 | 2018-05-09 15:08:24 |
| Show.js | 1410 | 2018-05-09 15:08:24 |