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|---|---|---|
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| 0001654954-23-003055-index.html | 2023-03-16 17:19:04 | |
| 0001654954-23-003055.txt | 2023-03-16 17:19:04 | |
 0001654954-23-003055-xbrl.zip | 181768 | 2023-03-16 17:19:04 |
| bkti-20221231.xsd | 64560 | 2023-03-16 17:19:04 |
| bkti-20221231_cal.xml | 54460 | 2023-03-16 17:19:04 |
| bkti-20221231_def.xml | 104816 | 2023-03-16 17:19:04 |
| bkti-20221231_lab.xml | 359199 | 2023-03-16 17:19:04 |
| bkti-20221231_pre.xml | 286759 | 2023-03-16 17:19:04 |
| bkti_10k.htm | 1060030 | 2023-03-16 17:19:04 |
| bkti_10k_htm.xml | 809463 | 2023-03-16 17:19:04 |
| bkti_ex21.htm | 4449 | 2023-03-16 17:19:04 |
| bkti_ex231.htm | 2333 | 2023-03-16 17:19:04 |
| bkti_ex311.htm | 9063 | 2023-03-16 17:19:04 |
| bkti_ex312.htm | 9034 | 2023-03-16 17:19:04 |
| bkti_ex321.htm | 4852 | 2023-03-16 17:19:04 |
| bkti_ex322.htm | 4859 | 2023-03-16 17:19:04 |
| bkti_ex41.htm | 28382 | 2023-03-16 17:19:04 |
| FilingSummary.xml | 38058 | 2023-03-16 17:19:04 |
| Financial_Report.xlsx | 94230 | 2023-03-16 17:19:04 |
| MetaLinks.json | 564643 | 2023-03-16 17:19:04 |
| R1.htm | 65996 | 2023-03-16 17:19:04 |
| R10.htm | 12782 | 2023-03-16 17:19:04 |
| R11.htm | 18415 | 2023-03-16 17:19:04 |
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| R2.htm | 107244 | 2023-03-16 17:19:04 |
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| R28.htm | 65688 | 2023-03-16 17:19:04 |
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| R4.htm | 54589 | 2023-03-16 17:19:04 |
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| R7.htm | 38137 | 2023-03-16 17:19:04 |
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| R9.htm | 10789 | 2023-03-16 17:19:04 |
| report.css | 2767 | 2023-03-16 17:19:04 |
| Show.js | 1085 | 2023-03-16 17:19:04 |