Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-23-057767-index-headers.html | 2023-11-02 08:17:27 | |
| 0000950170-23-057767-index.html | 2023-11-02 08:17:27 | |
| 0000950170-23-057767.txt | 2023-11-02 08:17:27 | |
 0000950170-23-057767-xbrl.zip | 8889 | 2023-11-02 08:17:27 |
| bchg-20231028.htm | 43345 | 2023-11-02 08:17:27 |
| bchg-20231028.xsd | 2465 | 2023-11-02 08:17:27 |
| bchg-20231028_htm.xml | 4972 | 2023-11-02 08:17:27 |
| bchg-20231028_lab.xml | 14572 | 2023-11-02 08:17:27 |
| bchg-20231028_pre.xml | 11931 | 2023-11-02 08:17:27 |
| FilingSummary.xml | 1740 | 2023-11-02 08:17:27 |
| Financial_Report.xlsx | 5780 | 2023-11-02 08:17:27 |
| MetaLinks.json | 19541 | 2023-11-02 08:17:27 |
| R1.htm | 41388 | 2023-11-02 08:17:27 |
| report.css | 2766 | 2023-11-02 08:17:27 |
| Show.js | 1084 | 2023-11-02 08:17:27 |