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|---|---|---|
 0001654954-18-012158-index-headers.html | 2018-11-07 17:00:05 | |
| 0001654954-18-012158-index.html | 2018-11-07 17:00:05 | |
| 0001654954-18-012158.txt | 2018-11-07 17:00:05 | |
 0001654954-18-012158-xbrl.zip | 54537 | 2018-11-07 17:00:05 |
| bkti-20180930.xml | 262688 | 2018-11-07 17:00:05 |
| bkti-20180930.xsd | 21750 | 2018-11-07 17:00:05 |
| bkti-20180930_cal.xml | 43861 | 2018-11-07 17:00:05 |
| bkti-20180930_def.xml | 28717 | 2018-11-07 17:00:05 |
| bkti-20180930_lab.xml | 190722 | 2018-11-07 17:00:05 |
| bkti-20180930_pre.xml | 134911 | 2018-11-07 17:00:05 |
| bkti_10q.htm | 610909 | 2018-11-07 17:00:05 |
| bkti_ex101.htm | 47354 | 2018-11-07 17:00:05 |
| bkti_ex311.htm | 10367 | 2018-11-07 17:00:05 |
| bkti_ex312.htm | 10408 | 2018-11-07 17:00:05 |
| bkti_ex321.htm | 5765 | 2018-11-07 17:00:05 |
| bkti_ex322.htm | 5862 | 2018-11-07 17:00:05 |
| FilingSummary.xml | 18144 | 2018-11-07 17:00:05 |
| Financial_Report.xlsx | 39110 | 2018-11-07 17:00:05 |
| R1.htm | 25910 | 2018-11-07 17:00:05 |
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| R8.htm | 6324 | 2018-11-07 17:00:05 |
| R9.htm | 4444 | 2018-11-07 17:00:05 |
| report.css | 2767 | 2018-11-07 17:00:05 |
| Show.js | 1085 | 2018-11-07 17:00:05 |