Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-21-005371-index-headers.html | 2021-12-28 14:26:31 | |
| 0000950170-21-005371-index.html | 2021-12-28 14:26:31 | |
| 0000950170-21-005371.txt | 2021-12-28 14:26:31 | |
 0000950170-21-005371-xbrl.zip | 203772 | 2021-12-28 14:26:31 |
| bhe-20211221.htm | 59537 | 2021-12-28 14:26:31 |
| bhe-20211221.xsd | 2463 | 2021-12-28 14:26:31 |
| bhe-20211221_htm.xml | 4753 | 2021-12-28 14:26:31 |
| bhe-20211221_lab.xml | 13466 | 2021-12-28 14:26:31 |
| bhe-20211221_pre.xml | 9885 | 2021-12-28 14:26:31 |
| bhe-ex10_1.htm | 2109226 | 2021-12-28 14:26:31 |
| FilingSummary.xml | 1714 | 2021-12-28 14:26:31 |
| Financial_Report.xlsx | 5738 | 2021-12-28 14:26:31 |
| MetaLinks.json | 17390 | 2021-12-28 14:26:31 |
| R1.htm | 40222 | 2021-12-28 14:26:31 |
| report.css | 2767 | 2021-12-28 14:26:31 |
| Show.js | 1084 | 2021-12-28 14:26:31 |