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| 0001437749-19-016077-index.html | 2019-08-08 17:31:56 | |
| 0001437749-19-016077.txt | 2019-08-08 17:31:56 | |
 0001437749-19-016077-xbrl.zip | 194047 | 2019-08-08 17:31:56 |
| bctf-20190630.xml | 3470283 | 2019-08-08 17:31:56 |
| bctf-20190630.xsd | 55975 | 2019-08-08 17:31:56 |
| bctf-20190630_cal.xml | 61014 | 2019-08-08 17:31:56 |
| bctf-20190630_def.xml | 422104 | 2019-08-08 17:31:56 |
| bctf-20190630_lab.xml | 393987 | 2019-08-08 17:31:56 |
| bctf-20190630_pre.xml | 456042 | 2019-08-08 17:31:56 |
| bctf20190630_10q.htm | 2210876 | 2019-08-08 17:31:56 |
| ex_151658.htm | 16272 | 2019-08-08 17:31:56 |
| ex_151659.htm | 16528 | 2019-08-08 17:31:56 |
| ex_151660.htm | 9763 | 2019-08-08 17:31:56 |
| FilingSummary.xml | 35112 | 2019-08-08 17:31:56 |
| Financial_Report.xlsx | 70552 | 2019-08-08 17:31:56 |
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| report.css | 2767 | 2019-08-08 17:31:56 |
| Show.js | 1085 | 2019-08-08 17:31:56 |