Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001558370-22-009491-index-headers.html | 2022-05-27 17:01:24 | |
| 0001558370-22-009491-index.html | 2022-05-27 17:01:24 | |
| 0001558370-22-009491.txt | 2022-05-27 17:01:24 | |
 0001558370-22-009491-xbrl.zip | 903247 | 2022-05-27 17:01:24 |
| FilingSummary.xml | 59345 | 2022-05-27 17:01:24 |
| Financial_Report.xlsx | 141893 | 2022-05-27 17:01:24 |
| MetaLinks.json | 904311 | 2022-05-27 17:01:24 |
| mux-20211231.xsd | 96832 | 2022-05-27 17:01:24 |
| mux-20211231x10ka.htm | 4463566 | 2022-05-27 17:01:24 |
 mux-20211231x10ka003.jpg | 73849 | 2022-05-27 17:01:24 |
 mux-20211231x10ka004.jpg | 91227 | 2022-05-27 17:01:24 |
 mux-20211231x10ka005.jpg | 80915 | 2022-05-27 17:01:24 |
 mux-20211231x10ka007.jpg | 68607 | 2022-05-27 17:01:24 |
 mux-20211231x10ka008.jpg | 67430 | 2022-05-27 17:01:24 |
 mux-20211231x10ka009.jpg | 67668 | 2022-05-27 17:01:24 |
 mux-20211231x10ka010.jpg | 32743 | 2022-05-27 17:01:24 |
 mux-20211231x10ka019.jpg | 58431 | 2022-05-27 17:01:24 |
| mux-20211231x10ka_htm.xml | 3247372 | 2022-05-27 17:01:24 |
| mux-20211231xex31d1.htm | 16980 | 2022-05-27 17:01:24 |
| mux-20211231xex31d2.htm | 16717 | 2022-05-27 17:01:24 |
| mux-20211231xex32.htm | 14540 | 2022-05-27 17:01:24 |
| mux-20211231_cal.xml | 90867 | 2022-05-27 17:01:24 |
| mux-20211231_def.xml | 343047 | 2022-05-27 17:01:24 |
| mux-20211231_lab.xml | 748134 | 2022-05-27 17:01:24 |
| mux-20211231_pre.xml | 596847 | 2022-05-27 17:01:24 |
| R1.htm | 70244 | 2022-05-27 17:01:24 |
| R10.htm | 22329 | 2022-05-27 17:01:24 |
| R11.htm | 58656 | 2022-05-27 17:01:24 |
| R12.htm | 14854 | 2022-05-27 17:01:24 |
| R13.htm | 23550 | 2022-05-27 17:01:24 |
| R14.htm | 65303 | 2022-05-27 17:01:24 |
| R15.htm | 108816 | 2022-05-27 17:01:24 |
| R16.htm | 72599 | 2022-05-27 17:01:24 |
| R17.htm | 27253 | 2022-05-27 17:01:24 |
| R18.htm | 37346 | 2022-05-27 17:01:24 |
| R19.htm | 142287 | 2022-05-27 17:01:24 |
| R2.htm | 119192 | 2022-05-27 17:01:24 |
| R20.htm | 35583 | 2022-05-27 17:01:24 |
| R21.htm | 25584 | 2022-05-27 17:01:24 |
| R22.htm | 30996 | 2022-05-27 17:01:24 |
| R23.htm | 48878 | 2022-05-27 17:01:24 |
| R24.htm | 18070 | 2022-05-27 17:01:24 |
| R25.htm | 134715 | 2022-05-27 17:01:24 |
| R26.htm | 6280 | 2022-05-27 17:01:24 |
| R27.htm | 73636 | 2022-05-27 17:01:24 |
| R28.htm | 5480 | 2022-05-27 17:01:24 |
| R29.htm | 5523 | 2022-05-27 17:01:24 |
| R3.htm | 109417 | 2022-05-27 17:01:24 |
| R30.htm | 89315 | 2022-05-27 17:01:24 |
| R31.htm | 284782 | 2022-05-27 17:01:24 |
| R32.htm | 21275 | 2022-05-27 17:01:24 |
| R33.htm | 57246 | 2022-05-27 17:01:24 |
| R34.htm | 13862 | 2022-05-27 17:01:24 |
| R35.htm | 23190 | 2022-05-27 17:01:24 |
| R36.htm | 64738 | 2022-05-27 17:01:24 |
| R37.htm | 109432 | 2022-05-27 17:01:24 |
| R38.htm | 111987 | 2022-05-27 17:01:24 |
| R39.htm | 16746 | 2022-05-27 17:01:24 |
| R4.htm | 6878 | 2022-05-27 17:01:24 |
| R40.htm | 36934 | 2022-05-27 17:01:24 |
| R41.htm | 127416 | 2022-05-27 17:01:24 |
| R42.htm | 33179 | 2022-05-27 17:01:24 |
| R43.htm | 21855 | 2022-05-27 17:01:24 |
| R44.htm | 27328 | 2022-05-27 17:01:24 |
| R45.htm | 42939 | 2022-05-27 17:01:24 |
| R46.htm | 15726 | 2022-05-27 17:01:24 |
| R47.htm | 139683 | 2022-05-27 17:01:24 |
| R48.htm | 72880 | 2022-05-27 17:01:24 |
| R49.htm | 13698 | 2022-05-27 17:01:24 |
| R5.htm | 71888 | 2022-05-27 17:01:24 |
| R50.htm | 15703 | 2022-05-27 17:01:24 |
| R51.htm | 9444 | 2022-05-27 17:01:24 |
| R52.htm | 121018 | 2022-05-27 17:01:24 |
| R53.htm | 44083 | 2022-05-27 17:01:24 |
| R54.htm | 13524 | 2022-05-27 17:01:24 |
| R55.htm | 17479 | 2022-05-27 17:01:24 |
| R56.htm | 22878 | 2022-05-27 17:01:24 |
| R57.htm | 10587 | 2022-05-27 17:01:24 |
| R58.htm | 31204 | 2022-05-27 17:01:24 |
| R59.htm | 24056 | 2022-05-27 17:01:24 |
| R6.htm | 84349 | 2022-05-27 17:01:24 |
| R60.htm | 4901 | 2022-05-27 17:01:24 |
| R61.htm | 20494 | 2022-05-27 17:01:24 |
| R62.htm | 88627 | 2022-05-27 17:01:24 |
| R63.htm | 19015 | 2022-05-27 17:01:24 |
| R64.htm | 45559 | 2022-05-27 17:01:24 |
| R65.htm | 15842 | 2022-05-27 17:01:24 |
| R66.htm | 13837 | 2022-05-27 17:01:24 |
| R67.htm | 11011 | 2022-05-27 17:01:24 |
| R68.htm | 35720 | 2022-05-27 17:01:24 |
| R69.htm | 37341 | 2022-05-27 17:01:24 |
| R7.htm | 6398 | 2022-05-27 17:01:24 |
| R70.htm | 10310 | 2022-05-27 17:01:24 |
| R71.htm | 18607 | 2022-05-27 17:01:24 |
| R72.htm | 14902 | 2022-05-27 17:01:24 |
| R73.htm | 138765 | 2022-05-27 17:01:24 |
| R74.htm | 19639 | 2022-05-27 17:01:24 |
| R75.htm | 77739 | 2022-05-27 17:01:24 |
| R76.htm | 31233 | 2022-05-27 17:01:24 |
| R77.htm | 24886 | 2022-05-27 17:01:24 |
| R78.htm | 37189 | 2022-05-27 17:01:24 |
| R79.htm | 12653 | 2022-05-27 17:01:24 |
| R8.htm | 47374 | 2022-05-27 17:01:24 |
| R80.htm | 26315 | 2022-05-27 17:01:24 |
| R81.htm | 23415 | 2022-05-27 17:01:24 |
| R82.htm | 58662 | 2022-05-27 17:01:24 |
| R83.htm | 23950 | 2022-05-27 17:01:24 |
| R84.htm | 15164 | 2022-05-27 17:01:24 |
| R85.htm | 13104 | 2022-05-27 17:01:24 |
| R86.htm | 15185 | 2022-05-27 17:01:24 |
| R87.htm | 23176 | 2022-05-27 17:01:24 |
| R88.htm | 35404 | 2022-05-27 17:01:24 |
| R89.htm | 24141 | 2022-05-27 17:01:24 |
| R9.htm | 289115 | 2022-05-27 17:01:24 |
| R90.htm | 8408 | 2022-05-27 17:01:24 |
| R91.htm | 10373 | 2022-05-27 17:01:24 |
| R92.htm | 20943 | 2022-05-27 17:01:24 |
| R93.htm | 71717 | 2022-05-27 17:01:24 |
| R94.htm | 11794 | 2022-05-27 17:01:24 |
| report.css | 2768 | 2022-05-27 17:01:24 |
| Show.js | 1086 | 2022-05-27 17:01:24 |