Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-21-238355-index-headers.html | 2021-08-06 06:51:02 | |
| 0001193125-21-238355-index.html | 2021-08-06 06:51:02 | |
| 0001193125-21-238355.txt | 2021-08-06 06:51:02 | |
 0001193125-21-238355-xbrl.zip | 18140 | 2021-08-06 06:51:02 |
| d212310d8k.htm | 23179 | 2021-08-06 06:51:02 |
| d212310d8k_htm.xml | 3215 | 2021-08-06 06:51:02 |
| d212310dex991.htm | 124076 | 2021-08-06 06:51:02 |
| FilingSummary.xml | 1729 | 2021-08-06 06:51:02 |
| Financial_Report.xlsx | 5673 | 2021-08-06 06:51:02 |
 g212310g0806035330652.jpg | 7434 | 2021-08-06 06:51:02 |
| md-20210806.xsd | 2908 | 2021-08-06 06:51:02 |
| md-20210806_lab.xml | 17372 | 2021-08-06 06:51:02 |
| md-20210806_pre.xml | 10965 | 2021-08-06 06:51:02 |
| MetaLinks.json | 18369 | 2021-08-06 06:51:02 |
| R1.htm | 38610 | 2021-08-06 06:51:02 |
| report.css | 2767 | 2021-08-06 06:51:02 |
| Show.js | 1085 | 2021-08-06 06:51:02 |