Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-22-023016-index-headers.html | 2022-11-08 11:56:33 | |
| 0000950170-22-023016-index.html | 2022-11-08 11:56:33 | |
| 0000950170-22-023016.txt | 2022-11-08 11:56:33 | |
 0000950170-22-023016-xbrl.zip | 320634 | 2022-11-08 11:56:33 |
| bsbk-20220930.htm | 5975870 | 2022-11-08 11:56:33 |
| bsbk-20220930.xsd | 61530 | 2022-11-08 11:56:33 |
| bsbk-20220930_cal.xml | 107001 | 2022-11-08 11:56:33 |
| bsbk-20220930_def.xml | 308502 | 2022-11-08 11:56:33 |
| bsbk-20220930_htm.xml | 6869166 | 2022-11-08 11:56:33 |
| bsbk-20220930_lab.xml | 606761 | 2022-11-08 11:56:33 |
| bsbk-20220930_pre.xml | 497123 | 2022-11-08 11:56:33 |
| bsbk-ex31_1.htm | 21399 | 2022-11-08 11:56:33 |
| bsbk-ex31_2.htm | 21240 | 2022-11-08 11:56:33 |
| bsbk-ex32_1.htm | 18849 | 2022-11-08 11:56:33 |
| FilingSummary.xml | 38840 | 2022-11-08 11:56:33 |
| Financial_Report.xlsx | 109962 | 2022-11-08 11:56:33 |
| MetaLinks.json | 838519 | 2022-11-08 11:56:33 |
| R1.htm | 53328 | 2022-11-08 11:56:33 |
| R10.htm | 152396 | 2022-11-08 11:56:33 |
| R11.htm | 375355 | 2022-11-08 11:56:33 |
| R12.htm | 435178 | 2022-11-08 11:56:33 |
| R13.htm | 1222867 | 2022-11-08 11:56:33 |
| R14.htm | 102547 | 2022-11-08 11:56:33 |
| R15.htm | 11566 | 2022-11-08 11:56:33 |
| R16.htm | 29997 | 2022-11-08 11:56:33 |
| R17.htm | 300673 | 2022-11-08 11:56:33 |
| R18.htm | 228634 | 2022-11-08 11:56:33 |
| R19.htm | 106849 | 2022-11-08 11:56:33 |
| R2.htm | 90145 | 2022-11-08 11:56:33 |
| R20.htm | 76943 | 2022-11-08 11:56:33 |
| R21.htm | 145475 | 2022-11-08 11:56:33 |
| R22.htm | 366018 | 2022-11-08 11:56:33 |
| R23.htm | 428115 | 2022-11-08 11:56:33 |
| R24.htm | 1205820 | 2022-11-08 11:56:33 |
| R25.htm | 81054 | 2022-11-08 11:56:33 |
| R26.htm | 20337 | 2022-11-08 11:56:33 |
| R27.htm | 295084 | 2022-11-08 11:56:33 |
| R28.htm | 227644 | 2022-11-08 11:56:33 |
| R29.htm | 18698 | 2022-11-08 11:56:33 |
| R3.htm | 28156 | 2022-11-08 11:56:33 |
| R30.htm | 40053 | 2022-11-08 11:56:33 |
| R31.htm | 17675 | 2022-11-08 11:56:33 |
| R32.htm | 64231 | 2022-11-08 11:56:33 |
| R33.htm | 56640 | 2022-11-08 11:56:33 |
| R34.htm | 18282 | 2022-11-08 11:56:33 |
| R35.htm | 36844 | 2022-11-08 11:56:33 |
| R36.htm | 67531 | 2022-11-08 11:56:33 |
| R37.htm | 34487 | 2022-11-08 11:56:33 |
| R38.htm | 12352 | 2022-11-08 11:56:33 |
| R39.htm | 29386 | 2022-11-08 11:56:33 |
| R4.htm | 111638 | 2022-11-08 11:56:33 |
| R40.htm | 50557 | 2022-11-08 11:56:33 |
| R41.htm | 10778 | 2022-11-08 11:56:33 |
| R42.htm | 27509 | 2022-11-08 11:56:33 |
| R43.htm | 47932 | 2022-11-08 11:56:33 |
| R44.htm | 27083 | 2022-11-08 11:56:33 |
| R45.htm | 10896 | 2022-11-08 11:56:33 |
| R46.htm | 54256 | 2022-11-08 11:56:33 |
| R47.htm | 33243 | 2022-11-08 11:56:33 |
| R48.htm | 63160 | 2022-11-08 11:56:33 |
| R49.htm | 16406 | 2022-11-08 11:56:33 |
| R5.htm | 53798 | 2022-11-08 11:56:33 |
| R50.htm | 24393 | 2022-11-08 11:56:33 |
| R51.htm | 20388 | 2022-11-08 11:56:33 |
| R52.htm | 14538 | 2022-11-08 11:56:33 |
| R53.htm | 8211 | 2022-11-08 11:56:33 |
| R54.htm | 36005 | 2022-11-08 11:56:33 |
| R55.htm | 3995 | 2022-11-08 11:56:33 |
| R56.htm | 25227 | 2022-11-08 11:56:33 |
| R57.htm | 30187 | 2022-11-08 11:56:33 |
| R6.htm | 81298 | 2022-11-08 11:56:33 |
| R7.htm | 4128 | 2022-11-08 11:56:33 |
| R8.htm | 117107 | 2022-11-08 11:56:33 |
| R9.htm | 99458 | 2022-11-08 11:56:33 |
| report.css | 2767 | 2022-11-08 11:56:33 |
| Show.js | 1085 | 2022-11-08 11:56:33 |