Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001437749-21-003418-index-headers.html | 2021-02-19 16:16:35 | |
| 0001437749-21-003418-index.html | 2021-02-19 16:16:35 | |
| 0001437749-21-003418.txt | 2021-02-19 16:16:35 | |
 0001437749-21-003418-xbrl.zip | 11869 | 2021-02-19 16:16:35 |
| belfb-20210216.xsd | 4134 | 2021-02-19 16:16:35 |
| belfb-20210216_def.xml | 13553 | 2021-02-19 16:16:35 |
| belfb-20210216_lab.xml | 17692 | 2021-02-19 16:16:35 |
| belfb-20210216_pre.xml | 13519 | 2021-02-19 16:16:35 |
| belfb20210219_8k.htm | 36643 | 2021-02-19 16:16:35 |
| belfb20210219_8k_htm.xml | 4242 | 2021-02-19 16:16:35 |
| ex_227801.htm | 3338 | 2021-02-19 16:16:35 |
| FilingSummary.xml | 1841 | 2021-02-19 16:16:35 |
| Financial_Report.xlsx | 5542 | 2021-02-19 16:16:35 |
| MetaLinks.json | 21742 | 2021-02-19 16:16:35 |
| R1.htm | 42886 | 2021-02-19 16:16:35 |
| report.css | 2767 | 2021-02-19 16:16:35 |
| Show.js | 1085 | 2021-02-19 16:16:35 |