Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001437749-24-007949-index-headers.html | 2024-03-15 06:26:48 | |
| 0001437749-24-007949-index.html | 2024-03-15 06:26:48 | |
| 0001437749-24-007949.txt | 2024-03-15 06:26:48 | |
 0001437749-24-007949-xbrl.zip | 159566 | 2024-03-15 06:26:48 |
| buks-20240131.xsd | 56866 | 2024-03-15 06:26:48 |
| buks-20240131_cal.xml | 50729 | 2024-03-15 06:26:48 |
| buks-20240131_def.xml | 358953 | 2024-03-15 06:26:48 |
| buks-20240131_lab.xml | 304870 | 2024-03-15 06:26:48 |
| buks-20240131_pre.xml | 392315 | 2024-03-15 06:26:48 |
| buks20240131_10q.htm | 1615457 | 2024-03-15 06:26:48 |
| buks20240131_10q_htm.xml | 1133154 | 2024-03-15 06:26:48 |
| ex_607269.htm | 13390 | 2024-03-15 06:26:48 |
| ex_607270.htm | 13379 | 2024-03-15 06:26:48 |
| ex_607271.htm | 7085 | 2024-03-15 06:26:48 |
| ex_607272.htm | 7718 | 2024-03-15 06:26:48 |
| FilingSummary.xml | 40203 | 2024-03-15 06:26:48 |
| Financial_Report.xlsx | 73244 | 2024-03-15 06:26:48 |
| MetaLinks.json | 660673 | 2024-03-15 06:26:48 |
| R1.htm | 46923 | 2024-03-15 06:26:48 |
| R10.htm | 116583 | 2024-03-15 06:26:48 |
| R11.htm | 14201 | 2024-03-15 06:26:48 |
| R12.htm | 14297 | 2024-03-15 06:26:48 |
| R13.htm | 27295 | 2024-03-15 06:26:48 |
| R14.htm | 5203 | 2024-03-15 06:26:48 |
| R15.htm | 6287 | 2024-03-15 06:26:48 |
| R16.htm | 13631 | 2024-03-15 06:26:48 |
| R17.htm | 5929 | 2024-03-15 06:26:48 |
| R18.htm | 17308 | 2024-03-15 06:26:48 |
| R19.htm | 33127 | 2024-03-15 06:26:48 |
| R2.htm | 133946 | 2024-03-15 06:26:48 |
| R20.htm | 28022 | 2024-03-15 06:26:48 |
| R21.htm | 14513 | 2024-03-15 06:26:48 |
| R22.htm | 77908 | 2024-03-15 06:26:48 |
| R23.htm | 5745 | 2024-03-15 06:26:48 |
| R24.htm | 11805 | 2024-03-15 06:26:48 |
| R25.htm | 115866 | 2024-03-15 06:26:48 |
| R26.htm | 10755 | 2024-03-15 06:26:48 |
| R27.htm | 13321 | 2024-03-15 06:26:48 |
| R28.htm | 26278 | 2024-03-15 06:26:48 |
| R29.htm | 12570 | 2024-03-15 06:26:48 |
| R3.htm | 42454 | 2024-03-15 06:26:48 |
| R30.htm | 31420 | 2024-03-15 06:26:48 |
| R31.htm | 29831 | 2024-03-15 06:26:48 |
| R32.htm | 12930 | 2024-03-15 06:26:48 |
| R33.htm | 71009 | 2024-03-15 06:26:48 |
| R34.htm | 2593 | 2024-03-15 06:26:48 |
| R35.htm | 56463 | 2024-03-15 06:26:48 |
| R36.htm | 14304 | 2024-03-15 06:26:48 |
| R37.htm | 8737 | 2024-03-15 06:26:48 |
| R38.htm | 4927 | 2024-03-15 06:26:48 |
| R39.htm | 10463 | 2024-03-15 06:26:48 |
| R4.htm | 84508 | 2024-03-15 06:26:48 |
| R40.htm | 3269 | 2024-03-15 06:26:48 |
| R41.htm | 19341 | 2024-03-15 06:26:48 |
| R42.htm | 8941 | 2024-03-15 06:26:48 |
| R43.htm | 4196 | 2024-03-15 06:26:48 |
| R44.htm | 39362 | 2024-03-15 06:26:48 |
| R45.htm | 11171 | 2024-03-15 06:26:48 |
| R46.htm | 31238 | 2024-03-15 06:26:48 |
| R47.htm | 9672 | 2024-03-15 06:26:48 |
| R48.htm | 2621 | 2024-03-15 06:26:48 |
| R49.htm | 14098 | 2024-03-15 06:26:48 |
| R5.htm | 78261 | 2024-03-15 06:26:48 |
| R50.htm | 5864 | 2024-03-15 06:26:48 |
| R51.htm | 7027 | 2024-03-15 06:26:48 |
| R52.htm | 23445 | 2024-03-15 06:26:48 |
| R53.htm | 12384 | 2024-03-15 06:26:48 |
| R54.htm | 10671 | 2024-03-15 06:26:48 |
| R55.htm | 25071 | 2024-03-15 06:26:48 |
| R56.htm | 16918 | 2024-03-15 06:26:48 |
| R57.htm | 30479 | 2024-03-15 06:26:48 |
| R58.htm | 9131 | 2024-03-15 06:26:48 |
| R59.htm | 8443 | 2024-03-15 06:26:48 |
| R6.htm | 92583 | 2024-03-15 06:26:48 |
| R7.htm | 6912 | 2024-03-15 06:26:48 |
| R8.htm | 5673 | 2024-03-15 06:26:48 |
| R9.htm | 22660 | 2024-03-15 06:26:48 |
| report.css | 2767 | 2024-03-15 06:26:48 |
| Show.js | 1085 | 2024-03-15 06:26:48 |