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|---|---|---|
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| 0001140361-19-020316-index.html | 2019-11-12 15:51:33 | |
| 0001140361-19-020316.txt | 2019-11-12 15:51:33 | |
 0001140361-19-020316-xbrl.zip | 136460 | 2019-11-12 15:51:33 |
| bstc-20190930.xml | 707648 | 2019-11-12 15:51:33 |
| bstc-20190930.xsd | 28738 | 2019-11-12 15:51:33 |
| bstc-20190930_cal.xml | 39716 | 2019-11-12 15:51:33 |
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| bstc-20190930_lab.xml | 501362 | 2019-11-12 15:51:33 |
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| ex31_1.htm | 13500 | 2019-11-12 15:51:33 |
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| ex32_1.htm | 8022 | 2019-11-12 15:51:33 |
| FilingSummary.xml | 18593 | 2019-11-12 15:51:33 |
| Financial_Report.xlsx | 53705 | 2019-11-12 15:51:33 |
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| R1.htm | 30886 | 2019-11-12 15:51:33 |
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| R8.htm | 121861 | 2019-11-12 15:51:33 |
| R9.htm | 5981 | 2019-11-12 15:51:33 |
| report.css | 2767 | 2019-11-12 15:51:33 |
| Show.js | 1085 | 2019-11-12 15:51:33 |