Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-23-001645-index-headers.html | 2023-02-02 08:17:30 | |
| 0000950170-23-001645-index.html | 2023-02-02 08:17:30 | |
| 0000950170-23-001645.txt | 2023-02-02 08:17:30 | |
 0000950170-23-001645-xbrl.zip | 9068 | 2023-02-02 08:17:30 |
| bchg-20230128.htm | 51412 | 2023-02-02 08:17:30 |
| bchg-20230128.xsd | 2465 | 2023-02-02 08:17:30 |
| bchg-20230128_htm.xml | 4978 | 2023-02-02 08:17:30 |
| bchg-20230128_lab.xml | 14564 | 2023-02-02 08:17:30 |
| bchg-20230128_pre.xml | 11931 | 2023-02-02 08:17:30 |
| FilingSummary.xml | 1707 | 2023-02-02 08:17:30 |
| Financial_Report.xlsx | 5781 | 2023-02-02 08:17:30 |
| MetaLinks.json | 19473 | 2023-02-02 08:17:30 |
| R1.htm | 41386 | 2023-02-02 08:17:30 |
| report.css | 2766 | 2023-02-02 08:17:30 |
| Show.js | 1084 | 2023-02-02 08:17:30 |