Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000009984-21-000083-index-headers.html | 2021-04-30 06:36:41 | |
| 0000009984-21-000083-index.html | 2021-04-30 06:36:41 | |
| 0000009984-21-000083.txt | 2021-04-30 06:36:41 | |
 0000009984-21-000083-xbrl.zip | 26901 | 2021-04-30 06:36:41 |
| b-20210430.htm | 36368 | 2021-04-30 06:36:41 |
| b-20210430.xsd | 2498 | 2021-04-30 06:36:41 |
| b-20210430_cal.xml | 788 | 2021-04-30 06:36:41 |
| b-20210430_def.xml | 1744 | 2021-04-30 06:36:41 |
| b-20210430_htm.xml | 10922 | 2021-04-30 06:36:41 |
| b-20210430_lab.xml | 24275 | 2021-04-30 06:36:41 |
| b-20210430_pre.xml | 12724 | 2021-04-30 06:36:41 |
 b1.jpg | 86724 | 2021-04-30 06:36:41 |
| exhibit99103312021.htm | 258814 | 2021-04-30 06:36:41 |
| FilingSummary.xml | 1774 | 2021-04-30 06:36:41 |
| Financial_Report.xlsx | 5667 | 2021-04-30 06:36:41 |
| MetaLinks.json | 17950 | 2021-04-30 06:36:41 |
| R1.htm | 38613 | 2021-04-30 06:36:41 |
| report.css | 2767 | 2021-04-30 06:36:41 |
| Show.js | 1085 | 2021-04-30 06:36:41 |