Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001437749-23-011199-index-headers.html | 2023-04-26 19:13:09 | |
| 0001437749-23-011199-index.html | 2023-04-26 19:13:09 | |
| 0001437749-23-011199.txt | 2023-04-26 19:13:09 | |
 0001437749-23-011199-xbrl.zip | 28154 | 2023-04-26 19:13:09 |
| belfb-20230426.xsd | 4036 | 2023-04-26 19:13:09 |
| belfb-20230426_def.xml | 13503 | 2023-04-26 19:13:09 |
| belfb-20230426_lab.xml | 17643 | 2023-04-26 19:13:09 |
| belfb-20230426_pre.xml | 13470 | 2023-04-26 19:13:09 |
| belfb20230302_8k.htm | 32768 | 2023-04-26 19:13:09 |
| belfb20230302_8k_htm.xml | 4238 | 2023-04-26 19:13:09 |
| ex_482885.htm | 248905 | 2023-04-26 19:13:09 |
| FilingSummary.xml | 1780 | 2023-04-26 19:13:09 |
| Financial_Report.xlsx | 5806 | 2023-04-26 19:13:09 |
 image00001.jpg | 9439 | 2023-04-26 19:13:09 |
| MetaLinks.json | 21787 | 2023-04-26 19:13:09 |
| R1.htm | 42313 | 2023-04-26 19:13:09 |
| report.css | 2767 | 2023-04-26 19:13:09 |
| Show.js | 1085 | 2023-04-26 19:13:09 |