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| 0001567619-17-000821-index.html | 2017-04-28 07:10:27 | |
| 0001567619-17-000821.txt | 2017-04-28 07:10:27 | |
 0001567619-17-000821-xbrl.zip | 121273 | 2017-04-28 07:10:27 |
| bysi-20161231.xml | 661384 | 2017-04-28 07:10:27 |
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| bysi-20161231_cal.xml | 41577 | 2017-04-28 07:10:27 |
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| Financial_Report.xlsx | 55047 | 2017-04-28 07:10:27 |
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| report.css | 2767 | 2017-04-28 07:10:27 |
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| Show.js | 1410 | 2017-04-28 07:10:27 |