Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-20-287348-index-headers.html | 2020-11-06 06:50:31 | |
| 0001193125-20-287348-index.html | 2020-11-06 06:50:31 | |
| 0001193125-20-287348.txt | 2020-11-06 06:50:31 | |
 0001193125-20-287348-xbrl.zip | 18713 | 2020-11-06 06:50:31 |
| d25969d8k.htm | 23163 | 2020-11-06 06:50:31 |
| d25969d8k_htm.xml | 3215 | 2020-11-06 06:50:31 |
| d25969dex991.htm | 114598 | 2020-11-06 06:50:31 |
| FilingSummary.xml | 1715 | 2020-11-06 06:50:31 |
| Financial_Report.xlsx | 5453 | 2020-11-06 06:50:31 |
 g25969g1106042655927.jpg | 7755 | 2020-11-06 06:50:31 |
| md-20201106.xsd | 3057 | 2020-11-06 06:50:31 |
| md-20201106_lab.xml | 17373 | 2020-11-06 06:50:31 |
| md-20201106_pre.xml | 10946 | 2020-11-06 06:50:31 |
| MetaLinks.json | 18212 | 2020-11-06 06:50:31 |
| R1.htm | 38610 | 2020-11-06 06:50:31 |
| report.css | 2767 | 2020-11-06 06:50:31 |
| Show.js | 1085 | 2020-11-06 06:50:31 |