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 0001437749-20-025166-index-headers.html | 2020-12-11 11:32:42 | |
| 0001437749-20-025166-index.html | 2020-12-11 11:32:42 | |
| 0001437749-20-025166.txt | 2020-12-11 11:32:42 | |
 0001437749-20-025166-xbrl.zip | 71250 | 2020-12-11 11:32:42 |
| buks-20201031.xml | 351594 | 2020-12-11 11:32:42 |
| buks-20201031.xsd | 32085 | 2020-12-11 11:32:42 |
| buks-20201031_cal.xml | 45282 | 2020-12-11 11:32:42 |
| buks-20201031_def.xml | 213085 | 2020-12-11 11:32:42 |
| buks-20201031_lab.xml | 207344 | 2020-12-11 11:32:42 |
| buks-20201031_pre.xml | 234332 | 2020-12-11 11:32:42 |
| buks20201031_10q.htm | 965084 | 2020-12-11 11:32:42 |
| ex_215315.htm | 14144 | 2020-12-11 11:32:42 |
| ex_215316.htm | 14145 | 2020-12-11 11:32:42 |
| ex_215317.htm | 6718 | 2020-12-11 11:32:42 |
| ex_215318.htm | 6694 | 2020-12-11 11:32:42 |
| FilingSummary.xml | 21355 | 2020-12-11 11:32:42 |
| Financial_Report.xlsx | 41161 | 2020-12-11 11:32:42 |
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| R9.htm | 22736 | 2020-12-11 11:32:42 |
| report.css | 2767 | 2020-12-11 11:32:42 |
| Show.js | 1085 | 2020-12-11 11:32:42 |