Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-20-245502-index-headers.html | 2020-09-14 21:11:03 | |
| 0001193125-20-245502-index.html | 2020-09-14 21:11:03 | |
| 0001193125-20-245502.txt | 2020-09-14 21:11:03 | |
 0001193125-20-245502-xbrl.zip | 123373 | 2020-09-14 21:11:03 |
| d48531d8k.htm | 56353 | 2020-09-14 21:11:03 |
| d48531d8k_htm.xml | 3215 | 2020-09-14 21:11:03 |
| d48531dex21.htm | 623753 | 2020-09-14 21:11:03 |
| FilingSummary.xml | 1714 | 2020-09-14 21:11:03 |
| Financial_Report.xlsx | 5452 | 2020-09-14 21:11:03 |
| md-20200909.xsd | 3057 | 2020-09-14 21:11:03 |
| md-20200909_lab.xml | 17373 | 2020-09-14 21:11:03 |
| md-20200909_pre.xml | 10946 | 2020-09-14 21:11:03 |
| MetaLinks.json | 18182 | 2020-09-14 21:11:03 |
| R1.htm | 38610 | 2020-09-14 21:11:03 |
| report.css | 2767 | 2020-09-14 21:11:03 |
| Show.js | 1084 | 2020-09-14 21:11:03 |