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| 0000863436-18-000035-index.html | 2018-08-08 16:24:22 | |
| 0000863436-18-000035.txt | 2018-08-08 16:24:22 | |
 0000863436-18-000035-xbrl.zip | 194785 | 2018-08-08 16:24:22 |
| bhe-20180630.xml | 2277133 | 2018-08-08 16:24:22 |
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| FilingSummary.xml | 41228 | 2018-08-08 16:24:22 |
| Financial_Report.xlsx | 85425 | 2018-08-08 16:24:22 |
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| report.css | 2767 | 2018-08-08 16:24:22 |
| Show.js | 1410 | 2018-08-08 16:24:22 |