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| 0001654954-22-011002.txt | 2022-08-11 07:05:00 | |
 0001654954-22-011002-xbrl.zip | 115579 | 2022-08-11 07:05:00 |
| bkti-20220630.xsd | 45073 | 2022-08-11 07:05:00 |
| bkti-20220630_cal.xml | 48229 | 2022-08-11 07:05:00 |
| bkti-20220630_def.xml | 93257 | 2022-08-11 07:05:00 |
| bkti-20220630_lab.xml | 270283 | 2022-08-11 07:05:00 |
| bkti-20220630_pre.xml | 223282 | 2022-08-11 07:05:00 |
| bkti_10q.htm | 803154 | 2022-08-11 07:05:00 |
| bkti_10q_htm.xml | 789490 | 2022-08-11 07:05:00 |
| bkti_ex311.htm | 10287 | 2022-08-11 07:05:00 |
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| bkti_ex321.htm | 3895 | 2022-08-11 07:05:00 |
| bkti_ex322.htm | 3942 | 2022-08-11 07:05:00 |
| FilingSummary.xml | 28434 | 2022-08-11 07:05:00 |
| Financial_Report.xlsx | 68134 | 2022-08-11 07:05:00 |
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| report.css | 2767 | 2022-08-11 07:05:00 |
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