Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001437749-23-009321-index-headers.html | 2023-04-04 16:31:53 | |
| 0001437749-23-009321-index.html | 2023-04-04 16:31:53 | |
| 0001437749-23-009321.txt | 2023-04-04 16:31:53 | |
 0001437749-23-009321-xbrl.zip | 11770 | 2023-04-04 16:31:53 |
| belfb-20230329.xsd | 4034 | 2023-04-04 16:31:53 |
| belfb-20230329_def.xml | 13501 | 2023-04-04 16:31:53 |
| belfb-20230329_lab.xml | 17641 | 2023-04-04 16:31:53 |
| belfb-20230329_pre.xml | 13468 | 2023-04-04 16:31:53 |
| belfb20230312_8k.htm | 41771 | 2023-04-04 16:31:53 |
| belfb20230312_8k_htm.xml | 4241 | 2023-04-04 16:31:53 |
| FilingSummary.xml | 1749 | 2023-04-04 16:31:53 |
| Financial_Report.xlsx | 5810 | 2023-04-04 16:31:53 |
| MetaLinks.json | 21787 | 2023-04-04 16:31:53 |
| R1.htm | 42316 | 2023-04-04 16:31:53 |
| report.css | 2767 | 2023-04-04 16:31:53 |
| Show.js | 1084 | 2023-04-04 16:31:53 |