Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001654954-23-005756-index-headers.html | 2023-05-04 07:41:34 | |
| 0001654954-23-005756-index.html | 2023-05-04 07:41:34 | |
| 0001654954-23-005756.txt | 2023-05-04 07:41:34 | |
 0001654954-23-005756-xbrl.zip | 99504 | 2023-05-04 07:41:34 |
| bkti-20230331.xsd | 44134 | 2023-05-04 07:41:34 |
| bkti-20230331_cal.xml | 46208 | 2023-05-04 07:41:34 |
| bkti-20230331_def.xml | 69044 | 2023-05-04 07:41:34 |
| bkti-20230331_lab.xml | 257967 | 2023-05-04 07:41:34 |
| bkti-20230331_pre.xml | 205473 | 2023-05-04 07:41:34 |
| bkti_10q.htm | 582903 | 2023-05-04 07:41:34 |
| bkti_10q_htm.xml | 497083 | 2023-05-04 07:41:34 |
| bkti_ex311.htm | 7658 | 2023-05-04 07:41:34 |
| bkti_ex312.htm | 7586 | 2023-05-04 07:41:34 |
| bkti_ex321.htm | 4021 | 2023-05-04 07:41:34 |
| bkti_ex322.htm | 3728 | 2023-05-04 07:41:34 |
| FilingSummary.xml | 28460 | 2023-05-04 07:41:34 |
| Financial_Report.xlsx | 61468 | 2023-05-04 07:41:34 |
| MetaLinks.json | 430706 | 2023-05-04 07:41:34 |
| R1.htm | 51528 | 2023-05-04 07:41:34 |
| R10.htm | 10376 | 2023-05-04 07:41:34 |
| R11.htm | 8306 | 2023-05-04 07:41:34 |
| R12.htm | 53911 | 2023-05-04 07:41:34 |
| R13.htm | 15884 | 2023-05-04 07:41:34 |
| R14.htm | 55374 | 2023-05-04 07:41:34 |
| R15.htm | 8893 | 2023-05-04 07:41:34 |
| R16.htm | 17774 | 2023-05-04 07:41:34 |
| R17.htm | 31658 | 2023-05-04 07:41:34 |
| R18.htm | 6011 | 2023-05-04 07:41:34 |
| R19.htm | 22398 | 2023-05-04 07:41:34 |
| R2.htm | 102953 | 2023-05-04 07:41:34 |
| R20.htm | 10885 | 2023-05-04 07:41:34 |
| R21.htm | 48929 | 2023-05-04 07:41:34 |
| R22.htm | 14406 | 2023-05-04 07:41:34 |
| R23.htm | 53074 | 2023-05-04 07:41:34 |
| R24.htm | 7760 | 2023-05-04 07:41:34 |
| R25.htm | 32141 | 2023-05-04 07:41:34 |
| R26.htm | 6245 | 2023-05-04 07:41:34 |
| R27.htm | 4600 | 2023-05-04 07:41:34 |
| R28.htm | 7794 | 2023-05-04 07:41:34 |
| R29.htm | 9562 | 2023-05-04 07:41:34 |
| R3.htm | 21238 | 2023-05-04 07:41:34 |
| R30.htm | 4265 | 2023-05-04 07:41:34 |
| R31.htm | 6647 | 2023-05-04 07:41:34 |
| R32.htm | 10561 | 2023-05-04 07:41:34 |
| R33.htm | 49069 | 2023-05-04 07:41:34 |
| R34.htm | 11024 | 2023-05-04 07:41:34 |
| R35.htm | 6446 | 2023-05-04 07:41:34 |
| R36.htm | 68550 | 2023-05-04 07:41:34 |
| R37.htm | 22174 | 2023-05-04 07:41:34 |
| R38.htm | 6043 | 2023-05-04 07:41:34 |
| R39.htm | 16708 | 2023-05-04 07:41:34 |
| R4.htm | 56472 | 2023-05-04 07:41:34 |
| R40.htm | 13473 | 2023-05-04 07:41:34 |
| R41.htm | 39845 | 2023-05-04 07:41:34 |
| R42.htm | 11053 | 2023-05-04 07:41:34 |
| R43.htm | 10009 | 2023-05-04 07:41:34 |
| R44.htm | 5883 | 2023-05-04 07:41:34 |
| R45.htm | 19739 | 2023-05-04 07:41:34 |
| R46.htm | 10504 | 2023-05-04 07:41:34 |
| R47.htm | 4734 | 2023-05-04 07:41:34 |
| R5.htm | 78869 | 2023-05-04 07:41:34 |
| R6.htm | 16840 | 2023-05-04 07:41:34 |
| R7.htm | 4921 | 2023-05-04 07:41:34 |
| R8.htm | 4841 | 2023-05-04 07:41:34 |
| R9.htm | 10934 | 2023-05-04 07:41:34 |
| report.css | 2767 | 2023-05-04 07:41:34 |
| Show.js | 1085 | 2023-05-04 07:41:34 |