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| 0001564590-21-018945-index.html | 2021-04-15 12:02:52 | |
| 0001564590-21-018945.txt | 2021-04-15 12:02:52 | |
 0001564590-21-018945-xbrl.zip | 153675 | 2021-04-15 12:02:52 |
| brst-10q_20200331.htm | 1737625 | 2021-04-15 12:02:52 |
| brst-20200331.xml | 1237674 | 2021-04-15 12:02:52 |
| brst-20200331.xsd | 59532 | 2021-04-15 12:02:52 |
| brst-20200331_cal.xml | 51350 | 2021-04-15 12:02:52 |
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| brst-20200331_lab.xml | 474337 | 2021-04-15 12:02:52 |
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| brst-ex312_29.htm | 20519 | 2021-04-15 12:02:52 |
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| FilingSummary.xml | 30178 | 2021-04-15 12:02:52 |
| Financial_Report.xlsx | 84432 | 2021-04-15 12:02:52 |
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| R9.htm | 46933 | 2021-04-15 12:02:52 |
| report.css | 2767 | 2021-04-15 12:02:52 |
| Show.js | 1085 | 2021-04-15 12:02:52 |