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| 0001437749-23-025822-index.html | 2023-09-14 11:31:33 | |
| 0001437749-23-025822.txt | 2023-09-14 11:31:33 | |
 0001437749-23-025822-xbrl.zip | 134853 | 2023-09-14 11:31:33 |
| buks-20230731.xsd | 53838 | 2023-09-14 11:31:33 |
| buks-20230731_cal.xml | 44541 | 2023-09-14 11:31:33 |
| buks-20230731_def.xml | 327387 | 2023-09-14 11:31:33 |
| buks-20230731_lab.xml | 282514 | 2023-09-14 11:31:33 |
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| buks20230731_10q.htm | 1035728 | 2023-09-14 11:31:33 |
| buks20230731_10q_htm.xml | 724563 | 2023-09-14 11:31:33 |
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| ex_541369.htm | 6517 | 2023-09-14 11:31:33 |
| FilingSummary.xml | 36601 | 2023-09-14 11:31:33 |
| Financial_Report.xlsx | 63373 | 2023-09-14 11:31:33 |
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