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| 0000729580-11-000026-index.html | 2011-08-09 16:28:27 | |
| 0000729580-11-000026.txt | 2011-08-09 16:28:27 | |
 0000729580-11-000026-xbrl.zip | 58745 | 2011-08-09 16:28:27 |
| bel10-qa.htm | 37723 | 2011-08-09 16:28:27 |
| belfb-20110630.xml | 461210 | 2011-08-09 16:28:27 |
| belfb-20110630.xsd | 14013 | 2011-08-09 16:28:27 |
| belfb-20110630_cal.xml | 41345 | 2011-08-09 16:28:27 |
| belfb-20110630_def.xml | 43708 | 2011-08-09 16:28:27 |
| belfb-20110630_lab.xml | 211974 | 2011-08-09 16:28:27 |
| belfb-20110630_pre.xml | 123659 | 2011-08-09 16:28:27 |
| FilingSummary.xml | 10376 | 2011-08-09 16:28:27 |
| Financial_Report.xls | 403013 | 2011-08-09 16:28:27 |
| R1.htm | 32987 | 2011-08-09 16:28:27 |
| R10.htm | 20576 | 2011-08-09 16:28:27 |
| R11.htm | 69271 | 2011-08-09 16:28:27 |
| R12.htm | 17913 | 2011-08-09 16:28:27 |
| R13.htm | 60567 | 2011-08-09 16:28:27 |
| R14.htm | 15811 | 2011-08-09 16:28:27 |
| R15.htm | 29154 | 2011-08-09 16:28:27 |
| R16.htm | 52673 | 2011-08-09 16:28:27 |
| R17.htm | 41044 | 2011-08-09 16:28:27 |
| R18.htm | 10799 | 2011-08-09 16:28:27 |
| R19.htm | 9581 | 2011-08-09 16:28:27 |
| R2.htm | 140532 | 2011-08-09 16:28:27 |
| R3.htm | 26766 | 2011-08-09 16:28:27 |
| R4.htm | 65564 | 2011-08-09 16:28:27 |
| R5.htm | 53556 | 2011-08-09 16:28:27 |
| R6.htm | 10198 | 2011-08-09 16:28:27 |
| R7.htm | 149202 | 2011-08-09 16:28:27 |
| R8.htm | 11089 | 2011-08-09 16:28:27 |
| R9.htm | 89274 | 2011-08-09 16:28:27 |
| report.css | 2721 | 2011-08-09 16:28:27 |
| Show.js | 6423 | 2011-08-09 16:28:27 |