Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001437749-25-012997-index-headers.html | 2025-04-24 17:28:50 | |
| 0001437749-25-012997-index.html | 2025-04-24 17:28:50 | |
| 0001437749-25-012997.txt | 2025-04-24 17:28:50 | |
 0001437749-25-012997-xbrl.zip | 36395 | 2025-04-24 17:28:50 |
| belfb-20250424.xsd | 4019 | 2025-04-24 17:28:50 |
| belfb-20250424_def.xml | 13376 | 2025-04-24 17:28:50 |
| belfb-20250424_lab.xml | 17526 | 2025-04-24 17:28:50 |
| belfb-20250424_pre.xml | 13353 | 2025-04-24 17:28:50 |
| belfb20250303_8k.htm | 36722 | 2025-04-24 17:28:50 |
| belfb20250303_8k_htm.xml | 4743 | 2025-04-24 17:28:50 |
| ex_784851.htm | 419293 | 2025-04-24 17:28:50 |
| FilingSummary.xml | 1780 | 2025-04-24 17:28:50 |
| Financial_Report.xlsx | 5834 | 2025-04-24 17:28:50 |
 image00001.jpg | 9439 | 2025-04-24 17:28:50 |
| MetaLinks.json | 27590 | 2025-04-24 17:28:50 |
| R1.htm | 42307 | 2025-04-24 17:28:50 |
| report.css | 2767 | 2025-04-24 17:28:50 |
| Show.js | 1085 | 2025-04-24 17:28:50 |