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| 0001437749-25-016837.txt | 2025-05-14 16:09:00 | |
 0001437749-25-016837-xbrl.zip | 233233 | 2025-05-14 16:09:00 |
| boc-20250331.xsd | 76989 | 2025-05-14 16:09:00 |
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| boc-20250331_lab.xml | 449442 | 2025-05-14 16:09:00 |
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| ex_762809.htm | 5778 | 2025-05-14 16:09:00 |
| FilingSummary.xml | 45690 | 2025-05-14 16:09:00 |
| Financial_Report.xlsx | 107072 | 2025-05-14 16:09:00 |
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| report.css | 2767 | 2025-05-14 16:09:00 |
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