Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-20-203317-index-headers.html | 2020-07-30 06:51:52 | |
| 0001193125-20-203317-index.html | 2020-07-30 06:51:52 | |
| 0001193125-20-203317.txt | 2020-07-30 06:51:52 | |
 0001193125-20-203317-xbrl.zip | 19648 | 2020-07-30 06:51:52 |
| d18479d8k.htm | 22446 | 2020-07-30 06:51:52 |
| d18479d8k_htm.xml | 3215 | 2020-07-30 06:51:52 |
| d18479dex991.htm | 119345 | 2020-07-30 06:51:52 |
| FilingSummary.xml | 1715 | 2020-07-30 06:51:52 |
| Financial_Report.xlsx | 5453 | 2020-07-30 06:51:52 |
 g18479g0730025233866.jpg | 7755 | 2020-07-30 06:51:52 |
| md-20200730.xsd | 3058 | 2020-07-30 06:51:52 |
| md-20200730_lab.xml | 17374 | 2020-07-30 06:51:52 |
| md-20200730_pre.xml | 10947 | 2020-07-30 06:51:52 |
| MetaLinks.json | 18182 | 2020-07-30 06:51:52 |
| R1.htm | 38609 | 2020-07-30 06:51:52 |
| report.css | 2767 | 2020-07-30 06:51:52 |
| Show.js | 1085 | 2020-07-30 06:51:52 |