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| 0001140361-15-018583-index.html | 2015-05-11 06:30:42 | |
| 0001140361-15-018583.txt | 2015-05-11 06:30:42 | |
 0001140361-15-018583-xbrl.zip | 77645 | 2015-05-11 06:30:42 |
| bstc-20150331.xml | 296251 | 2015-05-11 06:30:42 |
| bstc-20150331.xsd | 19727 | 2015-05-11 06:30:42 |
| bstc-20150331_cal.xml | 39245 | 2015-05-11 06:30:42 |
| bstc-20150331_def.xml | 74324 | 2015-05-11 06:30:42 |
| bstc-20150331_lab.xml | 338077 | 2015-05-11 06:30:42 |
| bstc-20150331_pre.xml | 194095 | 2015-05-11 06:30:42 |
| ex31.htm | 12151 | 2015-05-11 06:30:42 |
| ex32.htm | 5623 | 2015-05-11 06:30:42 |
| FilingSummary.xml | 12149 | 2015-05-11 06:30:42 |
| Financial_Report.xls | 283492 | 2015-05-11 06:30:42 |
| Financial_Report.xlsx | 72437 | 2015-05-11 06:30:42 |
| form10q.htm | 383338 | 2015-05-11 06:30:42 |
| R1.htm | 34661 | 2015-05-11 06:30:42 |
| R10.htm | 20873 | 2015-05-11 06:30:42 |
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| R8.htm | 12376 | 2015-05-11 06:30:42 |
| R9.htm | 15502 | 2015-05-11 06:30:42 |
| report.css | 2740 | 2015-05-11 06:30:42 |
| Show.js | 1410 | 2015-05-11 06:30:42 |