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| 0000729580-18-000014-index.html | 2018-05-10 16:06:49 | |
| 0000729580-18-000014.txt | 2018-05-10 16:06:49 | |
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| bel10-q.htm | 739313 | 2018-05-10 16:06:49 |
| belfb-20180331.xml | 891575 | 2018-05-10 16:06:49 |
| belfb-20180331.xsd | 37247 | 2018-05-10 16:06:49 |
| belfb-20180331_cal.xml | 53786 | 2018-05-10 16:06:49 |
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| ex32-2.htm | 3936 | 2018-05-10 16:06:49 |
| FilingSummary.xml | 28647 | 2018-05-10 16:06:49 |
| Financial_Report.xlsx | 58014 | 2018-05-10 16:06:49 |
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| report.css | 2767 | 2018-05-10 16:06:49 |
| Show.js | 1410 | 2018-05-10 16:06:49 |