Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001437749-21-017975-index-headers.html | 2021-07-30 10:05:14 | |
| 0001437749-21-017975-index.html | 2021-07-30 10:05:14 | |
| 0001437749-21-017975.txt | 2021-07-30 10:05:14 | |
 0001437749-21-017975-xbrl.zip | 11221 | 2021-07-30 10:05:14 |
| belfb-20210729.xsd | 4135 | 2021-07-30 10:05:14 |
| belfb-20210729_def.xml | 13553 | 2021-07-30 10:05:14 |
| belfb-20210729_lab.xml | 17692 | 2021-07-30 10:05:14 |
| belfb-20210729_pre.xml | 13519 | 2021-07-30 10:05:14 |
| belfb20210730_8k.htm | 36265 | 2021-07-30 10:05:14 |
| belfb20210730_8k_htm.xml | 4242 | 2021-07-30 10:05:14 |
| FilingSummary.xml | 1810 | 2021-07-30 10:05:14 |
| Financial_Report.xlsx | 5764 | 2021-07-30 10:05:14 |
| MetaLinks.json | 21743 | 2021-07-30 10:05:14 |
| R1.htm | 42886 | 2021-07-30 10:05:14 |
| report.css | 2767 | 2021-07-30 10:05:14 |
| Show.js | 1084 | 2021-07-30 10:05:14 |