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| 0000950170-25-014185.txt | 2025-02-05 09:01:31 | |
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| bchg-20241231.htm | 1122820 | 2025-02-05 09:01:31 |
| bchg-20241231.xsd | 315965 | 2025-02-05 09:01:31 |
| bchg-20241231_htm.xml | 551739 | 2025-02-05 09:01:31 |
| bchg-ex31_1.htm | 23962 | 2025-02-05 09:01:31 |
| bchg-ex31_2.htm | 24388 | 2025-02-05 09:01:31 |
| bchg-ex32_1.htm | 7769 | 2025-02-05 09:01:31 |
| bchg-ex32_2.htm | 7801 | 2025-02-05 09:01:31 |
| FilingSummary.xml | 20042 | 2025-02-05 09:01:31 |
| Financial_Report.xlsx | 51565 | 2025-02-05 09:01:31 |
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