Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001437749-22-024818-index-headers.html | 2022-10-26 17:05:43 | |
| 0001437749-22-024818-index.html | 2022-10-26 17:05:43 | |
| 0001437749-22-024818.txt | 2022-10-26 17:05:43 | |
 0001437749-22-024818-xbrl.zip | 28967 | 2022-10-26 17:05:43 |
| belfb-20221026.xsd | 4036 | 2022-10-26 17:05:43 |
| belfb-20221026_def.xml | 13503 | 2022-10-26 17:05:43 |
| belfb-20221026_lab.xml | 17643 | 2022-10-26 17:05:43 |
| belfb-20221026_pre.xml | 13470 | 2022-10-26 17:05:43 |
| belfb20220814_8k.htm | 33015 | 2022-10-26 17:05:43 |
| belfb20220814_8k_htm.xml | 4238 | 2022-10-26 17:05:43 |
| ex_412635.htm | 266345 | 2022-10-26 17:05:43 |
| FilingSummary.xml | 1782 | 2022-10-26 17:05:43 |
| Financial_Report.xlsx | 5805 | 2022-10-26 17:05:43 |
 image00001.jpg | 9439 | 2022-10-26 17:05:43 |
| MetaLinks.json | 21253 | 2022-10-26 17:05:43 |
| R1.htm | 42315 | 2022-10-26 17:05:43 |
| report.css | 2767 | 2022-10-26 17:05:43 |
| Show.js | 1085 | 2022-10-26 17:05:43 |