Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001437749-17-020750-index-headers.html | 2017-12-15 14:21:29 | |
| 0001437749-17-020750-index.html | 2017-12-15 14:21:29 | |
| 0001437749-17-020750.txt | 2017-12-15 14:21:29 | |
 0001437749-17-020750-xbrl.zip | 47381 | 2017-12-15 14:21:29 |
| buks-20171031.xml | 166576 | 2017-12-15 14:21:29 |
| buks-20171031.xsd | 22813 | 2017-12-15 14:21:29 |
| buks-20171031_cal.xml | 33758 | 2017-12-15 14:21:29 |
| buks-20171031_def.xml | 149782 | 2017-12-15 14:21:29 |
| buks-20171031_lab.xml | 150425 | 2017-12-15 14:21:29 |
| buks-20171031_pre.xml | 163483 | 2017-12-15 14:21:29 |
| buks20171031_10q.htm | 773373 | 2017-12-15 14:21:29 |
| ex_101927.htm | 14627 | 2017-12-15 14:21:29 |
| ex_101928.htm | 14632 | 2017-12-15 14:21:29 |
| ex_101929.htm | 7082 | 2017-12-15 14:21:29 |
| ex_101930.htm | 6453 | 2017-12-15 14:21:29 |
| FilingSummary.xml | 14593 | 2017-12-15 14:21:29 |
| Financial_Report.xlsx | 26299 | 2017-12-15 14:21:29 |
| R1.htm | 27448 | 2017-12-15 14:21:29 |
| R10.htm | 12506 | 2017-12-15 14:21:29 |
| R11.htm | 6216 | 2017-12-15 14:21:29 |
| R12.htm | 6536 | 2017-12-15 14:21:29 |
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| R2.htm | 115377 | 2017-12-15 14:21:29 |
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| R3.htm | 35549 | 2017-12-15 14:21:29 |
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| R5.htm | 59258 | 2017-12-15 14:21:29 |
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| R8.htm | 6523 | 2017-12-15 14:21:29 |
| R9.htm | 6322 | 2017-12-15 14:21:29 |
| report.css | 2767 | 2017-12-15 14:21:29 |
| Show.js | 1410 | 2017-12-15 14:21:29 |