Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001628280-21-017110-index-headers.html | 2021-08-16 16:14:09 | |
| 0001628280-21-017110-index.html | 2021-08-16 16:14:09 | |
| 0001628280-21-017110.txt | 2021-08-16 16:14:09 | |
 0001628280-21-017110-xbrl.zip | 468150 | 2021-08-16 16:14:09 |
| FilingSummary.xml | 53869 | 2021-08-16 16:14:09 |
| Financial_Report.xlsx | 151373 | 2021-08-16 16:14:09 |
| idex-20210331xexx3111.htm | 10977 | 2021-08-16 16:14:09 |
| idex-20210331xexx3121.htm | 11233 | 2021-08-16 16:14:09 |
| idex-20210331xexx3211.htm | 5466 | 2021-08-16 16:14:09 |
| idex-20210331xexx3221.htm | 5531 | 2021-08-16 16:14:09 |
| idex-20210630.htm | 2631688 | 2021-08-16 16:14:09 |
| idex-20210630.xsd | 88525 | 2021-08-16 16:14:09 |
| idex-20210630_cal.xml | 112582 | 2021-08-16 16:14:09 |
| idex-20210630_def.xml | 484883 | 2021-08-16 16:14:09 |
| idex-20210630_htm.xml | 2346968 | 2021-08-16 16:14:09 |
| idex-20210630_lab.xml | 1072962 | 2021-08-16 16:14:09 |
| idex-20210630_pre.xml | 726836 | 2021-08-16 16:14:09 |
| MetaLinks.json | 1052165 | 2021-08-16 16:14:09 |
| R1.htm | 52051 | 2021-08-16 16:14:09 |
| R10.htm | 5893 | 2021-08-16 16:14:09 |
| R11.htm | 34985 | 2021-08-16 16:14:09 |
| R12.htm | 22965 | 2021-08-16 16:14:09 |
| R13.htm | 4383 | 2021-08-16 16:14:09 |
| R14.htm | 45349 | 2021-08-16 16:14:09 |
| R15.htm | 9857 | 2021-08-16 16:14:09 |
| R16.htm | 107764 | 2021-08-16 16:14:09 |
| R17.htm | 17049 | 2021-08-16 16:14:09 |
| R18.htm | 31367 | 2021-08-16 16:14:09 |
| R19.htm | 101531 | 2021-08-16 16:14:09 |
| R2.htm | 165868 | 2021-08-16 16:14:09 |
| R20.htm | 45733 | 2021-08-16 16:14:09 |
| R21.htm | 38049 | 2021-08-16 16:14:09 |
| R22.htm | 36862 | 2021-08-16 16:14:09 |
| R23.htm | 28144 | 2021-08-16 16:14:09 |
| R24.htm | 20886 | 2021-08-16 16:14:09 |
| R25.htm | 47107 | 2021-08-16 16:14:09 |
| R26.htm | 34708 | 2021-08-16 16:14:09 |
| R27.htm | 13663 | 2021-08-16 16:14:09 |
| R28.htm | 15509 | 2021-08-16 16:14:09 |
| R29.htm | 7024 | 2021-08-16 16:14:09 |
| R3.htm | 21856 | 2021-08-16 16:14:09 |
| R30.htm | 25572 | 2021-08-16 16:14:09 |
| R31.htm | 9985 | 2021-08-16 16:14:09 |
| R32.htm | 44538 | 2021-08-16 16:14:09 |
| R33.htm | 9125 | 2021-08-16 16:14:09 |
| R34.htm | 42652 | 2021-08-16 16:14:09 |
| R35.htm | 96981 | 2021-08-16 16:14:09 |
| R36.htm | 17811 | 2021-08-16 16:14:09 |
| R37.htm | 29929 | 2021-08-16 16:14:09 |
| R38.htm | 110022 | 2021-08-16 16:14:09 |
| R39.htm | 35412 | 2021-08-16 16:14:09 |
| R4.htm | 127169 | 2021-08-16 16:14:09 |
| R40.htm | 35312 | 2021-08-16 16:14:09 |
| R41.htm | 21770 | 2021-08-16 16:14:09 |
| R42.htm | 13859 | 2021-08-16 16:14:09 |
| R43.htm | 46517 | 2021-08-16 16:14:09 |
| R44.htm | 35688 | 2021-08-16 16:14:09 |
| R45.htm | 27545 | 2021-08-16 16:14:09 |
| R46.htm | 26078 | 2021-08-16 16:14:09 |
| R47.htm | 12657 | 2021-08-16 16:14:09 |
| R48.htm | 18283 | 2021-08-16 16:14:09 |
| R49.htm | 30758 | 2021-08-16 16:14:09 |
| R5.htm | 8589 | 2021-08-16 16:14:09 |
| R50.htm | 22436 | 2021-08-16 16:14:09 |
| R51.htm | 168223 | 2021-08-16 16:14:09 |
| R52.htm | 113374 | 2021-08-16 16:14:09 |
| R53.htm | 20931 | 2021-08-16 16:14:09 |
| R54.htm | 19565 | 2021-08-16 16:14:09 |
| R55.htm | 10000 | 2021-08-16 16:14:09 |
| R56.htm | 12762 | 2021-08-16 16:14:09 |
| R57.htm | 7988 | 2021-08-16 16:14:09 |
| R58.htm | 27530 | 2021-08-16 16:14:09 |
| R59.htm | 24472 | 2021-08-16 16:14:09 |
| R6.htm | 34419 | 2021-08-16 16:14:09 |
| R60.htm | 13612 | 2021-08-16 16:14:09 |
| R61.htm | 22122 | 2021-08-16 16:14:09 |
| R62.htm | 158703 | 2021-08-16 16:14:09 |
| R63.htm | 5665 | 2021-08-16 16:14:09 |
| R64.htm | 17076 | 2021-08-16 16:14:09 |
| R65.htm | 9209 | 2021-08-16 16:14:09 |
| R66.htm | 104661 | 2021-08-16 16:14:09 |
| R67.htm | 32947 | 2021-08-16 16:14:09 |
| R68.htm | 38602 | 2021-08-16 16:14:09 |
| R69.htm | 18030 | 2021-08-16 16:14:09 |
| R7.htm | 179427 | 2021-08-16 16:14:09 |
| R70.htm | 21114 | 2021-08-16 16:14:09 |
| R71.htm | 28817 | 2021-08-16 16:14:09 |
| R72.htm | 130634 | 2021-08-16 16:14:09 |
| R73.htm | 92033 | 2021-08-16 16:14:09 |
| R74.htm | 21404 | 2021-08-16 16:14:09 |
| R75.htm | 176845 | 2021-08-16 16:14:09 |
| R76.htm | 42219 | 2021-08-16 16:14:09 |
| R77.htm | 55645 | 2021-08-16 16:14:09 |
| R78.htm | 20291 | 2021-08-16 16:14:09 |
| R79.htm | 15987 | 2021-08-16 16:14:09 |
| R8.htm | 125855 | 2021-08-16 16:14:09 |
| R80.htm | 41878 | 2021-08-16 16:14:09 |
| R81.htm | 16956 | 2021-08-16 16:14:09 |
| R82.htm | 37147 | 2021-08-16 16:14:09 |
| R83.htm | 4952 | 2021-08-16 16:14:09 |
| R84.htm | 40006 | 2021-08-16 16:14:09 |
| R85.htm | 12959 | 2021-08-16 16:14:09 |
| R86.htm | 30261 | 2021-08-16 16:14:09 |
| R9.htm | 7713 | 2021-08-16 16:14:09 |
| report.css | 2768 | 2021-08-16 16:14:09 |
| Show.js | 1085 | 2021-08-16 16:14:09 |