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| 0000950170-22-010104-index.html | 2022-05-16 16:33:29 | |
| 0000950170-22-010104.txt | 2022-05-16 16:33:29 | |
 0000950170-22-010104-xbrl.zip | 283318 | 2022-05-16 16:33:29 |
| brst-20220331.htm | 3004723 | 2022-05-16 16:33:29 |
| brst-20220331.xsd | 78822 | 2022-05-16 16:33:29 |
| brst-20220331_cal.xml | 70570 | 2022-05-16 16:33:29 |
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| brst-20220331_htm.xml | 2169289 | 2022-05-16 16:33:29 |
| brst-20220331_lab.xml | 625372 | 2022-05-16 16:33:29 |
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| brst-ex31_1.htm | 19503 | 2022-05-16 16:33:29 |
| brst-ex31_2.htm | 19798 | 2022-05-16 16:33:29 |
| brst-ex32_1.htm | 17435 | 2022-05-16 16:33:29 |
| FilingSummary.xml | 35770 | 2022-05-16 16:33:29 |
| Financial_Report.xlsx | 97033 | 2022-05-16 16:33:29 |
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| report.css | 2767 | 2022-05-16 16:33:29 |
| Show.js | 1085 | 2022-05-16 16:33:29 |