Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-21-047053-index-headers.html | 2021-02-18 06:51:01 | |
| 0001193125-21-047053-index.html | 2021-02-18 06:51:01 | |
| 0001193125-21-047053.txt | 2021-02-18 06:51:01 | |
 0001193125-21-047053-xbrl.zip | 18246 | 2021-02-18 06:51:01 |
| d145273d8k.htm | 21942 | 2021-02-18 06:51:01 |
| d145273d8k_htm.xml | 3215 | 2021-02-18 06:51:01 |
| d145273dex991.htm | 118073 | 2021-02-18 06:51:01 |
| FilingSummary.xml | 1719 | 2021-02-18 06:51:01 |
| Financial_Report.xlsx | 5451 | 2021-02-18 06:51:01 |
 g145273g0218052830917.jpg | 7434 | 2021-02-18 06:51:01 |
| md-20210218.xsd | 3058 | 2021-02-18 06:51:01 |
| md-20210218_lab.xml | 17374 | 2021-02-18 06:51:01 |
| md-20210218_pre.xml | 10947 | 2021-02-18 06:51:01 |
| MetaLinks.json | 18186 | 2021-02-18 06:51:01 |
| R1.htm | 38609 | 2021-02-18 06:51:01 |
| report.css | 2767 | 2021-02-18 06:51:01 |
| Show.js | 1085 | 2021-02-18 06:51:01 |