Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-22-019042-index-headers.html | 2022-09-29 16:01:31 | |
| 0000950170-22-019042-index.html | 2022-09-29 16:01:31 | |
| 0000950170-22-019042.txt | 2022-09-29 16:01:31 | |
 0000950170-22-019042-xbrl.zip | 11074 | 2022-09-29 16:01:31 |
| bchg-20220927.htm | 65082 | 2022-09-29 16:01:31 |
| bchg-20220927.xsd | 2465 | 2022-09-29 16:01:31 |
| bchg-20220927_htm.xml | 4978 | 2022-09-29 16:01:31 |
| bchg-20220927_lab.xml | 14564 | 2022-09-29 16:01:31 |
| bchg-20220927_pre.xml | 11871 | 2022-09-29 16:01:31 |
| bchg-ex16_1.htm | 8550 | 2022-09-29 16:01:31 |
| FilingSummary.xml | 1742 | 2022-09-29 16:01:31 |
| Financial_Report.xlsx | 5781 | 2022-09-29 16:01:31 |
| MetaLinks.json | 18881 | 2022-09-29 16:01:31 |
| R1.htm | 41388 | 2022-09-29 16:01:31 |
| report.css | 2767 | 2022-09-29 16:01:31 |
| Show.js | 1084 | 2022-09-29 16:01:31 |