Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000015847-16-000075-index-headers.html | 2016-09-14 15:12:00 | |
| 0000015847-16-000075-index.html | 2016-09-14 15:12:00 | |
| 0000015847-16-000075.txt | 2016-09-14 15:12:00 | |
 0000015847-16-000075-xbrl.zip | 52762 | 2016-09-14 15:12:00 |
| buks-20160731.xml | 89662 | 2016-09-14 15:12:00 |
| buks-20160731.xsd | 20677 | 2016-09-14 15:12:00 |
| buks-20160731_cal.xml | 20686 | 2016-09-14 15:12:00 |
| buks-20160731_def.xml | 84948 | 2016-09-14 15:12:00 |
| buks-20160731_lab.xml | 280429 | 2016-09-14 15:12:00 |
| buks-20160731_pre.xml | 157971 | 2016-09-14 15:12:00 |
| exhibit31-1.htm | 11095 | 2016-09-14 15:12:00 |
| exhibit31-2.htm | 11081 | 2016-09-14 15:12:00 |
| exhibit32-1.htm | 4865 | 2016-09-14 15:12:00 |
| exhibit32-2.htm | 4898 | 2016-09-14 15:12:00 |
| FilingSummary.xml | 10385 | 2016-09-14 15:12:00 |
| Financial_Report.xlsx | 23012 | 2016-09-14 15:12:00 |
| form10q.htm | 485331 | 2016-09-14 15:12:00 |
| R1.htm | 25613 | 2016-09-14 15:12:00 |
| R10.htm | 5723 | 2016-09-14 15:12:00 |
| R11.htm | 6489 | 2016-09-14 15:12:00 |
| R12.htm | 5641 | 2016-09-14 15:12:00 |
| R13.htm | 5351 | 2016-09-14 15:12:00 |
| R14.htm | 5405 | 2016-09-14 15:12:00 |
| R15.htm | 41941 | 2016-09-14 15:12:00 |
| R16.htm | 12063 | 2016-09-14 15:12:00 |
| R17.htm | 26402 | 2016-09-14 15:12:00 |
| R2.htm | 112859 | 2016-09-14 15:12:00 |
| R3.htm | 45550 | 2016-09-14 15:12:00 |
| R4.htm | 62731 | 2016-09-14 15:12:00 |
| R5.htm | 61313 | 2016-09-14 15:12:00 |
| R6.htm | 7112 | 2016-09-14 15:12:00 |
| R7.htm | 6192 | 2016-09-14 15:12:00 |
| R8.htm | 6899 | 2016-09-14 15:12:00 |
| R9.htm | 8087 | 2016-09-14 15:12:00 |
| report.css | 2767 | 2016-09-14 15:12:00 |
| Show.js | 1410 | 2016-09-14 15:12:00 |