Name | Size | Last Modified |
---|---|---|
0000950170-22-011989-index-headers.html | 2022-06-23 07:31:40 | |
0000950170-22-011989-index.html | 2022-06-23 07:31:40 | |
0000950170-22-011989.txt | 2022-06-23 07:31:40 | |
0000950170-22-011989-xbrl.zip | 644550 | 2022-06-23 07:31:40 |
FilingSummary.xml | 61976 | 2022-06-23 07:31:40 |
Financial_Report.xlsx | 153334 | 2022-06-23 07:31:40 |
img72628699_0.jpg | 439394 | 2022-06-23 07:31:40 |
mei-20220430.htm | 4869466 | 2022-06-23 07:31:40 |
mei-20220430.xsd | 78391 | 2022-06-23 07:31:40 |
mei-20220430_cal.xml | 89570 | 2022-06-23 07:31:40 |
mei-20220430_def.xml | 317690 | 2022-06-23 07:31:40 |
mei-20220430_htm.xml | 5325006 | 2022-06-23 07:31:40 |
mei-20220430_lab.xml | 702331 | 2022-06-23 07:31:40 |
mei-20220430_pre.xml | 564053 | 2022-06-23 07:31:40 |
mei-ex10_27.htm | 144365 | 2022-06-23 07:31:40 |
mei-ex10_28.htm | 68445 | 2022-06-23 07:31:40 |
mei-ex21.htm | 58629 | 2022-06-23 07:31:40 |
mei-ex23.htm | 9294 | 2022-06-23 07:31:40 |
mei-ex31_1.htm | 18609 | 2022-06-23 07:31:40 |
mei-ex31_2.htm | 18624 | 2022-06-23 07:31:40 |
mei-ex32.htm | 16075 | 2022-06-23 07:31:40 |
MetaLinks.json | 1010813 | 2022-06-23 07:31:40 |
R1.htm | 71029 | 2022-06-23 07:31:40 |
R10.htm | 109698 | 2022-06-23 07:31:40 |
R11.htm | 91629 | 2022-06-23 07:31:40 |
R12.htm | 24489 | 2022-06-23 07:31:40 |
R13.htm | 40272 | 2022-06-23 07:31:40 |
R14.htm | 205157 | 2022-06-23 07:31:40 |
R15.htm | 49257 | 2022-06-23 07:31:40 |
R16.htm | 16640 | 2022-06-23 07:31:40 |
R17.htm | 69309 | 2022-06-23 07:31:40 |
R18.htm | 324421 | 2022-06-23 07:31:40 |
R19.htm | 19138 | 2022-06-23 07:31:40 |
R2.htm | 131202 | 2022-06-23 07:31:40 |
R20.htm | 363622 | 2022-06-23 07:31:40 |
R21.htm | 79661 | 2022-06-23 07:31:40 |
R22.htm | 554312 | 2022-06-23 07:31:40 |
R23.htm | 97862 | 2022-06-23 07:31:40 |
R24.htm | 107582 | 2022-06-23 07:31:40 |
R25.htm | 123812 | 2022-06-23 07:31:40 |
R26.htm | 201921 | 2022-06-23 07:31:40 |
R27.htm | 105944 | 2022-06-23 07:31:40 |
R28.htm | 85939 | 2022-06-23 07:31:40 |
R29.htm | 24946 | 2022-06-23 07:31:40 |
R3.htm | 10851 | 2022-06-23 07:31:40 |
R30.htm | 36450 | 2022-06-23 07:31:40 |
R31.htm | 204471 | 2022-06-23 07:31:40 |
R32.htm | 37084 | 2022-06-23 07:31:40 |
R33.htm | 60586 | 2022-06-23 07:31:40 |
R34.htm | 308248 | 2022-06-23 07:31:40 |
R35.htm | 340332 | 2022-06-23 07:31:40 |
R36.htm | 78168 | 2022-06-23 07:31:40 |
R37.htm | 548864 | 2022-06-23 07:31:40 |
R38.htm | 96976 | 2022-06-23 07:31:40 |
R39.htm | 8542 | 2022-06-23 07:31:40 |
R4.htm | 67556 | 2022-06-23 07:31:40 |
R40.htm | 7767 | 2022-06-23 07:31:40 |
R41.htm | 5299 | 2022-06-23 07:31:40 |
R42.htm | 7583 | 2022-06-23 07:31:40 |
R43.htm | 11809 | 2022-06-23 07:31:40 |
R44.htm | 7588 | 2022-06-23 07:31:40 |
R45.htm | 4386 | 2022-06-23 07:31:40 |
R46.htm | 5875 | 2022-06-23 07:31:40 |
R47.htm | 33553 | 2022-06-23 07:31:40 |
R48.htm | 7193 | 2022-06-23 07:31:40 |
R49.htm | 14535 | 2022-06-23 07:31:40 |
R5.htm | 26151 | 2022-06-23 07:31:40 |
R50.htm | 70722 | 2022-06-23 07:31:40 |
R51.htm | 10368 | 2022-06-23 07:31:40 |
R52.htm | 16790 | 2022-06-23 07:31:40 |
R53.htm | 9247 | 2022-06-23 07:31:40 |
R54.htm | 11928 | 2022-06-23 07:31:40 |
R55.htm | 20540 | 2022-06-23 07:31:40 |
R56.htm | 9685 | 2022-06-23 07:31:40 |
R57.htm | 20412 | 2022-06-23 07:31:40 |
R58.htm | 14128 | 2022-06-23 07:31:40 |
R59.htm | 12182 | 2022-06-23 07:31:40 |
R6.htm | 63306 | 2022-06-23 07:31:40 |
R60.htm | 19507 | 2022-06-23 07:31:40 |
R61.htm | 7410 | 2022-06-23 07:31:40 |
R62.htm | 16485 | 2022-06-23 07:31:40 |
R63.htm | 14418 | 2022-06-23 07:31:40 |
R64.htm | 27930 | 2022-06-23 07:31:40 |
R65.htm | 17827 | 2022-06-23 07:31:40 |
R66.htm | 16802 | 2022-06-23 07:31:40 |
R67.htm | 19039 | 2022-06-23 07:31:40 |
R68.htm | 25952 | 2022-06-23 07:31:40 |
R69.htm | 22491 | 2022-06-23 07:31:40 |
R7.htm | 90623 | 2022-06-23 07:31:40 |
R70.htm | 18936 | 2022-06-23 07:31:40 |
R71.htm | 11950 | 2022-06-23 07:31:40 |
R72.htm | 20558 | 2022-06-23 07:31:40 |
R73.htm | 24187 | 2022-06-23 07:31:40 |
R74.htm | 37694 | 2022-06-23 07:31:40 |
R75.htm | 48983 | 2022-06-23 07:31:40 |
R76.htm | 52076 | 2022-06-23 07:31:40 |
R77.htm | 9666 | 2022-06-23 07:31:40 |
R78.htm | 18328 | 2022-06-23 07:31:40 |
R79.htm | 18807 | 2022-06-23 07:31:40 |
R8.htm | 70356 | 2022-06-23 07:31:40 |
R80.htm | 10998 | 2022-06-23 07:31:40 |
R81.htm | 11294 | 2022-06-23 07:31:40 |
R82.htm | 32552 | 2022-06-23 07:31:40 |
R83.htm | 7615 | 2022-06-23 07:31:40 |
R84.htm | 16344 | 2022-06-23 07:31:40 |
R85.htm | 68565 | 2022-06-23 07:31:40 |
R86.htm | 36649 | 2022-06-23 07:31:40 |
R87.htm | 28158 | 2022-06-23 07:31:40 |
R88.htm | 45067 | 2022-06-23 07:31:40 |
R89.htm | 95306 | 2022-06-23 07:31:40 |
R9.htm | 215850 | 2022-06-23 07:31:40 |
R90.htm | 40424 | 2022-06-23 07:31:40 |
R91.htm | 5774 | 2022-06-23 07:31:40 |
R92.htm | 43124 | 2022-06-23 07:31:40 |
R93.htm | 16904 | 2022-06-23 07:31:40 |
report.css | 2768 | 2022-06-23 07:31:40 |
Show.js | 1086 | 2022-06-23 07:31:40 |