Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001437749-23-004197-index-headers.html | 2023-02-22 17:16:07 | |
| 0001437749-23-004197-index.html | 2023-02-22 17:16:07 | |
| 0001437749-23-004197.txt | 2023-02-22 17:16:07 | |
 0001437749-23-004197-xbrl.zip | 28288 | 2023-02-22 17:16:07 |
| belfb-20230222.xsd | 4036 | 2023-02-22 17:16:07 |
| belfb-20230222_def.xml | 13503 | 2023-02-22 17:16:07 |
| belfb-20230222_lab.xml | 17643 | 2023-02-22 17:16:07 |
| belfb-20230222_pre.xml | 13470 | 2023-02-22 17:16:07 |
| belfb20221123_8k.htm | 32822 | 2023-02-22 17:16:07 |
| belfb20221123_8k_htm.xml | 4238 | 2023-02-22 17:16:07 |
| ex_450590.htm | 294772 | 2023-02-22 17:16:07 |
| FilingSummary.xml | 1780 | 2023-02-22 17:16:07 |
| Financial_Report.xlsx | 5805 | 2023-02-22 17:16:07 |
 image00001.jpg | 9439 | 2023-02-22 17:16:07 |
| MetaLinks.json | 21787 | 2023-02-22 17:16:07 |
| R1.htm | 42313 | 2023-02-22 17:16:07 |
| report.css | 2767 | 2023-02-22 17:16:07 |
| Show.js | 1085 | 2023-02-22 17:16:07 |