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| 0001654954-21-002287-index.html | 2021-03-03 16:35:48 | |
| 0001654954-21-002287.txt | 2021-03-03 16:35:48 | |
 0001654954-21-002287-xbrl.zip | 88265 | 2021-03-03 16:35:48 |
| bkti-20201231.xml | 491511 | 2021-03-03 16:35:48 |
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| report.css | 2767 | 2021-03-03 16:35:48 |
| Show.js | 1085 | 2021-03-03 16:35:48 |