Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-23-017502-index-headers.html | 2023-05-04 09:00:40 | |
| 0000950170-23-017502-index.html | 2023-05-04 09:00:40 | |
| 0000950170-23-017502.txt | 2023-05-04 09:00:40 | |
 0000950170-23-017502-xbrl.zip | 9017 | 2023-05-04 09:00:40 |
| bchg-20230429.htm | 50933 | 2023-05-04 09:00:40 |
| bchg-20230429.xsd | 2465 | 2023-05-04 09:00:40 |
| bchg-20230429_htm.xml | 4972 | 2023-05-04 09:00:40 |
| bchg-20230429_lab.xml | 14564 | 2023-05-04 09:00:40 |
| bchg-20230429_pre.xml | 11931 | 2023-05-04 09:00:40 |
| FilingSummary.xml | 1707 | 2023-05-04 09:00:40 |
| Financial_Report.xlsx | 5773 | 2023-05-04 09:00:40 |
| MetaLinks.json | 19473 | 2023-05-04 09:00:40 |
| R1.htm | 41380 | 2023-05-04 09:00:40 |
| report.css | 2766 | 2023-05-04 09:00:40 |
| Show.js | 1084 | 2023-05-04 09:00:40 |