Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001437749-24-035846-index-headers.html | 2024-11-20 12:30:15 | |
| 0001437749-24-035846-index.html | 2024-11-20 12:30:15 | |
| 0001437749-24-035846.txt | 2024-11-20 12:30:15 | |
 0001437749-24-035846-xbrl.zip | 216464 | 2024-11-20 12:30:15 |
| belfb-20241114.xsd | 3850 | 2024-11-20 12:30:15 |
| belfb-20241114_def.xml | 13377 | 2024-11-20 12:30:15 |
| belfb-20241114_lab.xml | 17527 | 2024-11-20 12:30:15 |
| belfb-20241114_pre.xml | 13354 | 2024-11-20 12:30:15 |
| belfb20241105_8k.htm | 71335 | 2024-11-20 12:30:15 |
| belfb20241105_8k_htm.xml | 4636 | 2024-11-20 12:30:15 |
| ex_743164.htm | 10497 | 2024-11-20 12:30:15 |
| ex_747161.htm | 549050 | 2024-11-20 12:30:15 |
| ex_747162.htm | 1148949 | 2024-11-20 12:30:15 |
| ex_747163.htm | 58620 | 2024-11-20 12:30:15 |
| FilingSummary.xml | 1780 | 2024-11-20 12:30:15 |
| Financial_Report.xlsx | 5812 | 2024-11-20 12:30:15 |
 logo.jpg | 6183 | 2024-11-20 12:30:15 |
| MetaLinks.json | 21614 | 2024-11-20 12:30:15 |
| R1.htm | 42323 | 2024-11-20 12:30:15 |
| report.css | 2767 | 2024-11-20 12:30:15 |
| Show.js | 1085 | 2024-11-20 12:30:15 |