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|---|---|---|
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| 0000729580-17-000034-index.html | 2017-11-06 15:26:55 | |
| 0000729580-17-000034.txt | 2017-11-06 15:26:55 | |
 0000729580-17-000034-xbrl.zip | 111197 | 2017-11-06 15:26:55 |
| bel10-q.htm | 834832 | 2017-11-06 15:26:55 |
| belfb-20170930.xml | 804842 | 2017-11-06 15:26:55 |
| belfb-20170930.xsd | 31101 | 2017-11-06 15:26:55 |
| belfb-20170930_cal.xml | 55983 | 2017-11-06 15:26:55 |
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| ex32-2.htm | 3998 | 2017-11-06 15:26:55 |
| FilingSummary.xml | 25090 | 2017-11-06 15:26:55 |
| Financial_Report.xlsx | 49322 | 2017-11-06 15:26:55 |
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| R9.htm | 76872 | 2017-11-06 15:26:55 |
| report.css | 2767 | 2017-11-06 15:26:55 |
| Show.js | 1410 | 2017-11-06 15:26:55 |