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| 0000950170-23-045923-index.html | 2023-09-01 08:51:47 | |
| 0000950170-23-045923.txt | 2023-09-01 08:51:47 | |
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| bchg-20230630.htm | 3017000 | 2023-09-01 08:51:47 |
| bchg-20230630.xsd | 28352 | 2023-09-01 08:51:47 |
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| bchg-20230630_htm.xml | 1056157 | 2023-09-01 08:51:47 |
| bchg-20230630_lab.xml | 162601 | 2023-09-01 08:51:47 |
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| bchg-ex31_2.htm | 29485 | 2023-09-01 08:51:47 |
| bchg-ex32_1.htm | 9389 | 2023-09-01 08:51:47 |
| bchg-ex32_2.htm | 9410 | 2023-09-01 08:51:47 |
| FilingSummary.xml | 20682 | 2023-09-01 08:51:47 |
| Financial_Report.xlsx | 51378 | 2023-09-01 08:51:47 |
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| report.css | 2767 | 2023-09-01 08:51:47 |
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