Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-22-008526-index-headers.html | 2022-05-09 16:31:35 | |
| 0000950170-22-008526-index.html | 2022-05-09 16:31:35 | |
| 0000950170-22-008526.txt | 2022-05-09 16:31:35 | |
 0000950170-22-008526-xbrl.zip | 29302 | 2022-05-09 16:31:35 |
| FilingSummary.xml | 1733 | 2022-05-09 16:31:35 |
| Financial_Report.xlsx | 5694 | 2022-05-09 16:31:35 |
 img136747062_0.jpg | 12942 | 2022-05-09 16:31:35 |
| meg-20220509.htm | 57295 | 2022-05-09 16:31:35 |
| meg-20220509.xsd | 2492 | 2022-05-09 16:31:35 |
| meg-20220509_htm.xml | 4546 | 2022-05-09 16:31:35 |
| meg-20220509_lab.xml | 12890 | 2022-05-09 16:31:35 |
| meg-20220509_pre.xml | 9544 | 2022-05-09 16:31:35 |
| meg-ex99_1.htm | 548324 | 2022-05-09 16:31:35 |
| MetaLinks.json | 17031 | 2022-05-09 16:31:35 |
| R1.htm | 38739 | 2022-05-09 16:31:35 |
| report.css | 2767 | 2022-05-09 16:31:35 |
| Show.js | 1085 | 2022-05-09 16:31:35 |