Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001437749-25-017985-index-headers.html | 2025-05-21 16:15:11 | |
| 0001437749-25-017985-index.html | 2025-05-21 16:15:11 | |
| 0001437749-25-017985.txt | 2025-05-21 16:15:11 | |
 0001437749-25-017985-xbrl.zip | 32968 | 2025-05-21 16:15:11 |
| belfb-20250520.xsd | 4063 | 2025-05-21 16:15:11 |
| belfb-20250520_def.xml | 13442 | 2025-05-21 16:15:11 |
| belfb-20250520_lab.xml | 17658 | 2025-05-21 16:15:11 |
| belfb-20250520_pre.xml | 13419 | 2025-05-21 16:15:11 |
| belfb20250519_8k.htm | 50822 | 2025-05-21 16:15:11 |
| belfb20250519_8k_htm.xml | 4786 | 2025-05-21 16:15:11 |
| ex_821791.htm | 134623 | 2025-05-21 16:15:11 |
| FilingSummary.xml | 1780 | 2025-05-21 16:15:11 |
| MetaLinks.json | 27656 | 2025-05-21 16:15:11 |
| R1.htm | 42432 | 2025-05-21 16:15:11 |
| report.css | 2767 | 2025-05-21 16:15:11 |
| Show.js | 1084 | 2025-05-21 16:15:11 |