Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-22-011644-index-headers.html | 2022-06-14 18:19:17 | |
| 0000950170-22-011644-index.html | 2022-06-14 18:19:17 | |
| 0000950170-22-011644.txt | 2022-06-14 18:19:17 | |
 0000950170-22-011644-xbrl.zip | 13031 | 2022-06-14 18:19:17 |
| FilingSummary.xml | 1732 | 2022-06-14 18:19:17 |
| Financial_Report.xlsx | 5695 | 2022-06-14 18:19:17 |
 img126477044_0.jpg | 5418 | 2022-06-14 18:19:17 |
| mei-20220614.htm | 53484 | 2022-06-14 18:19:17 |
| mei-20220614.xsd | 2489 | 2022-06-14 18:19:17 |
| mei-20220614_htm.xml | 4523 | 2022-06-14 18:19:17 |
| mei-20220614_lab.xml | 12890 | 2022-06-14 18:19:17 |
| mei-20220614_pre.xml | 9542 | 2022-06-14 18:19:17 |
| mei-ex99_1.htm | 26556 | 2022-06-14 18:19:17 |
| MetaLinks.json | 17007 | 2022-06-14 18:19:17 |
| R1.htm | 38717 | 2022-06-14 18:19:17 |
| report.css | 2767 | 2022-06-14 18:19:17 |
| Show.js | 1085 | 2022-06-14 18:19:17 |