Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-19-310607-index-headers.html | 2019-12-11 06:06:01 | |
| 0001193125-19-310607-index.html | 2019-12-11 06:06:01 | |
| 0001193125-19-310607.txt | 2019-12-11 06:06:01 | |
 0001193125-19-310607-xbrl.zip | 9124 | 2019-12-11 06:06:01 |
| d797165d8k.htm | 28105 | 2019-12-11 06:06:01 |
| d797165d8k_htm.xml | 3214 | 2019-12-11 06:06:01 |
| FilingSummary.xml | 1689 | 2019-12-11 06:06:01 |
| Financial_Report.xlsx | 5786 | 2019-12-11 06:06:01 |
| md-20191210.xsd | 3059 | 2019-12-11 06:06:01 |
| md-20191210_lab.xml | 17375 | 2019-12-11 06:06:01 |
| md-20191210_pre.xml | 10948 | 2019-12-11 06:06:01 |
| MetaLinks.json | 18158 | 2019-12-11 06:06:01 |
| R1.htm | 38608 | 2019-12-11 06:06:01 |
| report.css | 2767 | 2019-12-11 06:06:01 |
| Show.js | 1084 | 2019-12-11 06:06:01 |