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|---|---|---|
 0001140361-19-014749-index-headers.html | 2019-08-09 16:42:16 | |
| 0001140361-19-014749-index.html | 2019-08-09 16:42:16 | |
| 0001140361-19-014749.txt | 2019-08-09 16:42:16 | |
 0001140361-19-014749-xbrl.zip | 130357 | 2019-08-09 16:42:16 |
| bstc-20190630.xml | 625528 | 2019-08-09 16:42:16 |
| bstc-20190630.xsd | 28738 | 2019-08-09 16:42:16 |
| bstc-20190630_cal.xml | 38742 | 2019-08-09 16:42:16 |
| bstc-20190630_def.xml | 170132 | 2019-08-09 16:42:16 |
| bstc-20190630_lab.xml | 481362 | 2019-08-09 16:42:16 |
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| ex10_2.htm | 33548 | 2019-08-09 16:42:16 |
| ex31_1.htm | 13030 | 2019-08-09 16:42:16 |
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| ex32_1.htm | 6490 | 2019-08-09 16:42:16 |
| FilingSummary.xml | 18593 | 2019-08-09 16:42:16 |
| Financial_Report.xlsx | 53044 | 2019-08-09 16:42:16 |
| form10q.htm | 655272 | 2019-08-09 16:42:16 |
| R1.htm | 30886 | 2019-08-09 16:42:16 |
| R10.htm | 13696 | 2019-08-09 16:42:16 |
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| R7.htm | 14726 | 2019-08-09 16:42:16 |
| R8.htm | 107650 | 2019-08-09 16:42:16 |
| R9.htm | 5775 | 2019-08-09 16:42:16 |
| report.css | 2767 | 2019-08-09 16:42:16 |
| Show.js | 1085 | 2019-08-09 16:42:16 |