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| 0000863436-17-000014-index.html | 2017-05-08 19:47:25 | |
| 0000863436-17-000014.txt | 2017-05-08 19:47:25 | |
 0000863436-17-000014-xbrl.zip | 133010 | 2017-05-08 19:47:25 |
| bhe-20170331.xml | 1058060 | 2017-05-08 19:47:25 |
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| bhe-20170331_cal.xml | 68754 | 2017-05-08 19:47:25 |
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| FilingSummary.xml | 33924 | 2017-05-08 19:47:25 |
| Financial_Report.xlsx | 62890 | 2017-05-08 19:47:25 |
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| report.css | 2767 | 2017-05-08 19:47:25 |
| Show.js | 1410 | 2017-05-08 19:47:25 |