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| 0001437749-21-028493-index.html | 2021-12-14 12:20:11 | |
| 0001437749-21-028493.txt | 2021-12-14 12:20:11 | |
 0001437749-21-028493-xbrl.zip | 152174 | 2021-12-14 12:20:11 |
| buks-20211031.xsd | 52694 | 2021-12-14 12:20:11 |
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| buks20211031_10q.htm | 1421095 | 2021-12-14 12:20:11 |
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| Financial_Report.xlsx | 61779 | 2021-12-14 12:20:11 |
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| report.css | 2767 | 2021-12-14 12:20:11 |
| Show.js | 1085 | 2021-12-14 12:20:11 |