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 0001437749-19-024373-index-headers.html | 2019-12-13 10:19:16 | |
| 0001437749-19-024373-index.html | 2019-12-13 10:19:16 | |
| 0001437749-19-024373.txt | 2019-12-13 10:19:16 | |
 0001437749-19-024373-xbrl.zip | 71177 | 2019-12-13 10:19:16 |
| buks-20191031.xml | 337235 | 2019-12-13 10:19:16 |
| buks-20191031.xsd | 33542 | 2019-12-13 10:19:16 |
| buks-20191031_cal.xml | 40783 | 2019-12-13 10:19:16 |
| buks-20191031_def.xml | 219441 | 2019-12-13 10:19:16 |
| buks-20191031_lab.xml | 214250 | 2019-12-13 10:19:16 |
| buks-20191031_pre.xml | 240037 | 2019-12-13 10:19:16 |
| buks20191031b_10q.htm | 876698 | 2019-12-13 10:19:16 |
| ex_165771.htm | 14019 | 2019-12-13 10:19:16 |
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| ex_165773.htm | 6587 | 2019-12-13 10:19:16 |
| ex_165774.htm | 6563 | 2019-12-13 10:19:16 |
| FilingSummary.xml | 21696 | 2019-12-13 10:19:16 |
| Financial_Report.xlsx | 36763 | 2019-12-13 10:19:16 |
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| R9.htm | 21700 | 2019-12-13 10:19:16 |
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