Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-22-006427-index-headers.html | 2022-04-28 07:00:41 | |
| 0000950170-22-006427-index.html | 2022-04-28 07:00:41 | |
| 0000950170-22-006427.txt | 2022-04-28 07:00:41 | |
 0000950170-22-006427-xbrl.zip | 152981 | 2022-04-28 07:00:41 |
| FilingSummary.xml | 26240 | 2022-04-28 07:00:41 |
| Financial_Report.xlsx | 54943 | 2022-04-28 07:00:41 |
| md-20220331.htm | 1590268 | 2022-04-28 07:00:41 |
| md-20220331.xsd | 39910 | 2022-04-28 07:00:41 |
| md-20220331_cal.xml | 52689 | 2022-04-28 07:00:41 |
| md-20220331_def.xml | 131163 | 2022-04-28 07:00:41 |
| md-20220331_htm.xml | 695590 | 2022-04-28 07:00:41 |
| md-20220331_lab.xml | 367567 | 2022-04-28 07:00:41 |
| md-20220331_pre.xml | 250339 | 2022-04-28 07:00:41 |
| md-ex31_1.htm | 16085 | 2022-04-28 07:00:41 |
| md-ex31_2.htm | 16590 | 2022-04-28 07:00:41 |
| md-ex32_1.htm | 9668 | 2022-04-28 07:00:41 |
| MetaLinks.json | 548565 | 2022-04-28 07:00:41 |
| R1.htm | 52322 | 2022-04-28 07:00:41 |
| R10.htm | 66709 | 2022-04-28 07:00:41 |
| R11.htm | 77565 | 2022-04-28 07:00:41 |
| R12.htm | 16997 | 2022-04-28 07:00:41 |
| R13.htm | 29979 | 2022-04-28 07:00:41 |
| R14.htm | 23620 | 2022-04-28 07:00:41 |
| R15.htm | 30088 | 2022-04-28 07:00:41 |
| R16.htm | 19472 | 2022-04-28 07:00:41 |
| R17.htm | 10965 | 2022-04-28 07:00:41 |
| R18.htm | 10473 | 2022-04-28 07:00:41 |
| R19.htm | 31856 | 2022-04-28 07:00:41 |
| R2.htm | 134357 | 2022-04-28 07:00:41 |
| R20.htm | 62209 | 2022-04-28 07:00:41 |
| R21.htm | 76220 | 2022-04-28 07:00:41 |
| R22.htm | 27840 | 2022-04-28 07:00:41 |
| R23.htm | 27840 | 2022-04-28 07:00:41 |
| R24.htm | 7734 | 2022-04-28 07:00:41 |
| R25.htm | 4005 | 2022-04-28 07:00:41 |
| R26.htm | 6216 | 2022-04-28 07:00:41 |
| R27.htm | 16025 | 2022-04-28 07:00:41 |
| R28.htm | 11768 | 2022-04-28 07:00:41 |
| R29.htm | 12314 | 2022-04-28 07:00:41 |
| R3.htm | 17550 | 2022-04-28 07:00:41 |
| R30.htm | 7726 | 2022-04-28 07:00:41 |
| R31.htm | 10095 | 2022-04-28 07:00:41 |
| R32.htm | 13742 | 2022-04-28 07:00:41 |
| R33.htm | 13257 | 2022-04-28 07:00:41 |
| R34.htm | 33729 | 2022-04-28 07:00:41 |
| R35.htm | 18922 | 2022-04-28 07:00:41 |
| R36.htm | 2774 | 2022-04-28 07:00:41 |
| R37.htm | 62372 | 2022-04-28 07:00:41 |
| R38.htm | 13684 | 2022-04-28 07:00:41 |
| R39.htm | 39212 | 2022-04-28 07:00:41 |
| R4.htm | 135910 | 2022-04-28 07:00:41 |
| R40.htm | 15883 | 2022-04-28 07:00:41 |
| R5.htm | 67661 | 2022-04-28 07:00:41 |
| R6.htm | 108767 | 2022-04-28 07:00:41 |
| R7.htm | 10522 | 2022-04-28 07:00:41 |
| R8.htm | 10655 | 2022-04-28 07:00:41 |
| R9.htm | 34789 | 2022-04-28 07:00:41 |
| report.css | 2767 | 2022-04-28 07:00:41 |
| Show.js | 1085 | 2022-04-28 07:00:41 |