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|---|---|---|
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| 0001410578-23-002284-index.html | 2023-11-09 13:54:26 | |
| 0001410578-23-002284.txt | 2023-11-09 13:54:26 | |
 0001410578-23-002284-xbrl.zip | 666017 | 2023-11-09 13:54:26 |
| bctciv-20230930.xsd | 33594 | 2023-11-09 13:54:26 |
| bctciv-20230930x10q.htm | 10742512 | 2023-11-09 13:54:26 |
| bctciv-20230930x10q_htm.xml | 4634264 | 2023-11-09 13:54:26 |
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| bctciv-20230930xex31db.htm | 14064 | 2023-11-09 13:54:26 |
| bctciv-20230930xex32da.htm | 7988 | 2023-11-09 13:54:26 |
| bctciv-20230930xex32db.htm | 8214 | 2023-11-09 13:54:26 |
| bctciv-20230930_cal.xml | 20078 | 2023-11-09 13:54:26 |
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| bctciv-20230930_lab.xml | 160667 | 2023-11-09 13:54:26 |
| bctciv-20230930_pre.xml | 214694 | 2023-11-09 13:54:26 |
| FilingSummary.xml | 16776 | 2023-11-09 13:54:26 |
| Financial_Report.xlsx | 81138 | 2023-11-09 13:54:26 |
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| R1.htm | 51738 | 2023-11-09 13:54:26 |
| R10.htm | 1004911 | 2023-11-09 13:54:26 |
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| R8.htm | 6295 | 2023-11-09 13:54:26 |
| R9.htm | 35154 | 2023-11-09 13:54:26 |
| report.css | 2767 | 2023-11-09 13:54:26 |
| Show.js | 1085 | 2023-11-09 13:54:26 |