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| 0001437749-19-015279-index.html | 2019-08-02 13:29:26 | |
| 0001437749-19-015279.txt | 2019-08-02 13:29:26 | |
 0001437749-19-015279-xbrl.zip | 274741 | 2019-08-02 13:29:26 |
| boch-20190630.xml | 4731670 | 2019-08-02 13:29:26 |
| boch-20190630.xsd | 84999 | 2019-08-02 13:29:26 |
| boch-20190630_cal.xml | 87711 | 2019-08-02 13:29:26 |
| boch-20190630_def.xml | 649886 | 2019-08-02 13:29:26 |
| boch-20190630_lab.xml | 525497 | 2019-08-02 13:29:26 |
| boch-20190630_pre.xml | 675318 | 2019-08-02 13:29:26 |
| boch20190630_10q.htm | 3460799 | 2019-08-02 13:29:26 |
| ex_151410.htm | 15430 | 2019-08-02 13:29:26 |
| ex_151411.htm | 15136 | 2019-08-02 13:29:26 |
| ex_151412.htm | 7221 | 2019-08-02 13:29:26 |
| FilingSummary.xml | 46551 | 2019-08-02 13:29:26 |
| Financial_Report.xlsx | 99735 | 2019-08-02 13:29:26 |
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| report.css | 2767 | 2019-08-02 13:29:26 |
| Show.js | 1085 | 2019-08-02 13:29:26 |