Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000015847-15-000014-index-headers.html | 2015-03-17 09:43:47 | |
| 0000015847-15-000014-index.html | 2015-03-17 09:43:47 | |
| 0000015847-15-000014.txt | 2015-03-17 09:43:47 | |
 0000015847-15-000014-xbrl.zip | 54898 | 2015-03-17 09:43:47 |
| buks-20150131.xml | 107507 | 2015-03-17 09:43:47 |
| buks-20150131.xsd | 23167 | 2015-03-17 09:43:47 |
| buks-20150131_cal.xml | 18168 | 2015-03-17 09:43:47 |
| buks-20150131_def.xml | 67521 | 2015-03-17 09:43:47 |
| buks-20150131_lab.xml | 293488 | 2015-03-17 09:43:47 |
| buks-20150131_pre.xml | 164755 | 2015-03-17 09:43:47 |
| exhibit31-1.htm | 11107 | 2015-03-17 09:43:47 |
| exhibit31-2.htm | 11083 | 2015-03-17 09:43:47 |
| exhibit32-1.htm | 4867 | 2015-03-17 09:43:47 |
| exhibit32-2.htm | 4910 | 2015-03-17 09:43:47 |
| FilingSummary.xml | 12054 | 2015-03-17 09:43:47 |
| Financial_Report.xls | 95244 | 2015-03-17 09:43:47 |
| Financial_Report.xlsx | 37675 | 2015-03-17 09:43:47 |
| form10q.htm | 676545 | 2015-03-17 09:43:47 |
| R1.htm | 34661 | 2015-03-17 09:43:47 |
| R10.htm | 7016 | 2015-03-17 09:43:47 |
| R11.htm | 8783 | 2015-03-17 09:43:47 |
| R12.htm | 7436 | 2015-03-17 09:43:47 |
| R13.htm | 6943 | 2015-03-17 09:43:47 |
| R14.htm | 7160 | 2015-03-17 09:43:47 |
| R15.htm | 71696 | 2015-03-17 09:43:47 |
| R16.htm | 16025 | 2015-03-17 09:43:47 |
| R17.htm | 6485 | 2015-03-17 09:43:47 |
| R18.htm | 34621 | 2015-03-17 09:43:47 |
| R19.htm | 7805 | 2015-03-17 09:43:47 |
| R2.htm | 172308 | 2015-03-17 09:43:47 |
| R3.htm | 78580 | 2015-03-17 09:43:47 |
| R4.htm | 101969 | 2015-03-17 09:43:47 |
| R5.htm | 109217 | 2015-03-17 09:43:47 |
| R6.htm | 8760 | 2015-03-17 09:43:47 |
| R7.htm | 7701 | 2015-03-17 09:43:47 |
| R8.htm | 8200 | 2015-03-17 09:43:47 |
| R9.htm | 11006 | 2015-03-17 09:43:47 |
| R9999.htm | 1668 | 2015-03-17 09:43:47 |
| report.css | 2740 | 2015-03-17 09:43:47 |
| Show.js | 1410 | 2015-03-17 09:43:47 |