Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-22-013282-index-headers.html | 2022-07-28 08:26:05 | |
| 0000950170-22-013282-index.html | 2022-07-28 08:26:05 | |
| 0000950170-22-013282.txt | 2022-07-28 08:26:05 | |
 0000950170-22-013282-xbrl.zip | 9120 | 2022-07-28 08:26:05 |
| bchg-20220723.htm | 50047 | 2022-07-28 08:26:05 |
| bchg-20220723.xsd | 2465 | 2022-07-28 08:26:05 |
| bchg-20220723_htm.xml | 5142 | 2022-07-28 08:26:05 |
| bchg-20220723_lab.xml | 14564 | 2022-07-28 08:26:05 |
| bchg-20220723_pre.xml | 11871 | 2022-07-28 08:26:05 |
| FilingSummary.xml | 1707 | 2022-07-28 08:26:05 |
| Financial_Report.xlsx | 5798 | 2022-07-28 08:26:05 |
| MetaLinks.json | 18881 | 2022-07-28 08:26:05 |
| R1.htm | 43528 | 2022-07-28 08:26:05 |
| report.css | 2766 | 2022-07-28 08:26:05 |
| Show.js | 1084 | 2022-07-28 08:26:05 |