Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001558370-21-011132-index-headers.html | 2021-08-10 16:10:59 | |
| 0001558370-21-011132-index.html | 2021-08-10 16:10:59 | |
| 0001558370-21-011132.txt | 2021-08-10 16:10:59 | |
 0001558370-21-011132-xbrl.zip | 211017 | 2021-08-10 16:10:59 |
| alt-20210630.xsd | 46048 | 2021-08-10 16:10:59 |
| alt-20210630x10q.htm | 1406521 | 2021-08-10 16:10:59 |
 alt-20210630x10q002.jpg | 20041 | 2021-08-10 16:10:59 |
| alt-20210630x10q_htm.xml | 1099793 | 2021-08-10 16:10:59 |
| alt-20210630xex10d1.htm | 118285 | 2021-08-10 16:10:59 |
 alt-20210630xex10d1001.jpg | 635 | 2021-08-10 16:10:59 |
 alt-20210630xex10d1002.jpg | 903 | 2021-08-10 16:10:59 |
 alt-20210630xex10d1003.jpg | 763 | 2021-08-10 16:10:59 |
 alt-20210630xex10d1004.jpg | 767 | 2021-08-10 16:10:59 |
 alt-20210630xex10d1005.jpg | 763 | 2021-08-10 16:10:59 |
 alt-20210630xex10d1006.jpg | 687 | 2021-08-10 16:10:59 |
 alt-20210630xex10d1007.jpg | 903 | 2021-08-10 16:10:59 |
 alt-20210630xex10d1008.jpg | 763 | 2021-08-10 16:10:59 |
 alt-20210630xex10d1009.jpg | 679 | 2021-08-10 16:10:59 |
 alt-20210630xex10d1010.jpg | 635 | 2021-08-10 16:10:59 |
 alt-20210630xex10d1011.jpg | 647 | 2021-08-10 16:10:59 |
 alt-20210630xex10d1013.jpg | 739 | 2021-08-10 16:10:59 |
 alt-20210630xex10d1014.jpg | 635 | 2021-08-10 16:10:59 |
 alt-20210630xex10d1015.jpg | 639 | 2021-08-10 16:10:59 |
 alt-20210630xex10d1016.jpg | 639 | 2021-08-10 16:10:59 |
 alt-20210630xex10d1018.jpg | 3042 | 2021-08-10 16:10:59 |
 alt-20210630xex10d1044.jpg | 903 | 2021-08-10 16:10:59 |
 alt-20210630xex10d1045.jpg | 715 | 2021-08-10 16:10:59 |
 alt-20210630xex10d1048.jpg | 903 | 2021-08-10 16:10:59 |
 alt-20210630xex10d1049.jpg | 901 | 2021-08-10 16:10:59 |
 alt-20210630xex10d1052.jpg | 706 | 2021-08-10 16:10:59 |
 alt-20210630xex10d1054.jpg | 711 | 2021-08-10 16:10:59 |
 alt-20210630xex10d1056.jpg | 907 | 2021-08-10 16:10:59 |
 alt-20210630xex10d1057.jpg | 635 | 2021-08-10 16:10:59 |
 alt-20210630xex10d1058.jpg | 2300 | 2021-08-10 16:10:59 |
 alt-20210630xex10d1059.jpg | 643 | 2021-08-10 16:10:59 |
 alt-20210630xex10d1060.jpg | 899 | 2021-08-10 16:10:59 |
| alt-20210630xex31d1.htm | 11937 | 2021-08-10 16:10:59 |
| alt-20210630xex31d2.htm | 11756 | 2021-08-10 16:10:59 |
| alt-20210630xex32d1.htm | 6757 | 2021-08-10 16:10:59 |
| alt-20210630xex32d2.htm | 6863 | 2021-08-10 16:10:59 |
| alt-20210630_cal.xml | 46793 | 2021-08-10 16:10:59 |
| alt-20210630_def.xml | 147593 | 2021-08-10 16:10:59 |
| alt-20210630_lab.xml | 434724 | 2021-08-10 16:10:59 |
| alt-20210630_pre.xml | 311426 | 2021-08-10 16:10:59 |
| FilingSummary.xml | 34734 | 2021-08-10 16:10:59 |
| Financial_Report.xlsx | 74869 | 2021-08-10 16:10:59 |
| MetaLinks.json | 529977 | 2021-08-10 16:10:59 |
| R1.htm | 53828 | 2021-08-10 16:10:59 |
| R10.htm | 28382 | 2021-08-10 16:10:59 |
| R11.htm | 63188 | 2021-08-10 16:10:59 |
| R12.htm | 19376 | 2021-08-10 16:10:59 |
| R13.htm | 21232 | 2021-08-10 16:10:59 |
| R14.htm | 25822 | 2021-08-10 16:10:59 |
| R15.htm | 16130 | 2021-08-10 16:10:59 |
| R16.htm | 13420 | 2021-08-10 16:10:59 |
| R17.htm | 10028 | 2021-08-10 16:10:59 |
| R18.htm | 52296 | 2021-08-10 16:10:59 |
| R19.htm | 6901 | 2021-08-10 16:10:59 |
| R2.htm | 81469 | 2021-08-10 16:10:59 |
| R20.htm | 7880 | 2021-08-10 16:10:59 |
| R21.htm | 16744 | 2021-08-10 16:10:59 |
| R22.htm | 7050 | 2021-08-10 16:10:59 |
| R23.htm | 10646 | 2021-08-10 16:10:59 |
| R24.htm | 129072 | 2021-08-10 16:10:59 |
| R25.htm | 24952 | 2021-08-10 16:10:59 |
| R26.htm | 61796 | 2021-08-10 16:10:59 |
| R27.htm | 16812 | 2021-08-10 16:10:59 |
| R28.htm | 20364 | 2021-08-10 16:10:59 |
| R29.htm | 15194 | 2021-08-10 16:10:59 |
| R3.htm | 10746 | 2021-08-10 16:10:59 |
| R30.htm | 15327 | 2021-08-10 16:10:59 |
| R31.htm | 9801 | 2021-08-10 16:10:59 |
| R32.htm | 52061 | 2021-08-10 16:10:59 |
| R33.htm | 14734 | 2021-08-10 16:10:59 |
| R34.htm | 32752 | 2021-08-10 16:10:59 |
| R35.htm | 20771 | 2021-08-10 16:10:59 |
| R36.htm | 29981 | 2021-08-10 16:10:59 |
| R37.htm | 17453 | 2021-08-10 16:10:59 |
| R38.htm | 23521 | 2021-08-10 16:10:59 |
| R39.htm | 12995 | 2021-08-10 16:10:59 |
| R4.htm | 62444 | 2021-08-10 16:10:59 |
| R40.htm | 30537 | 2021-08-10 16:10:59 |
| R41.htm | 9969 | 2021-08-10 16:10:59 |
| R42.htm | 8552 | 2021-08-10 16:10:59 |
| R43.htm | 10880 | 2021-08-10 16:10:59 |
| R44.htm | 17887 | 2021-08-10 16:10:59 |
| R45.htm | 39101 | 2021-08-10 16:10:59 |
| R46.htm | 7949 | 2021-08-10 16:10:59 |
| R47.htm | 10161 | 2021-08-10 16:10:59 |
| R48.htm | 71151 | 2021-08-10 16:10:59 |
| R49.htm | 8170 | 2021-08-10 16:10:59 |
| R5.htm | 88977 | 2021-08-10 16:10:59 |
| R50.htm | 49174 | 2021-08-10 16:10:59 |
| R51.htm | 27683 | 2021-08-10 16:10:59 |
| R52.htm | 10831 | 2021-08-10 16:10:59 |
| R53.htm | 26166 | 2021-08-10 16:10:59 |
| R54.htm | 8670 | 2021-08-10 16:10:59 |
| R55.htm | 12241 | 2021-08-10 16:10:59 |
| R56.htm | 16110 | 2021-08-10 16:10:59 |
| R6.htm | 72917 | 2021-08-10 16:10:59 |
| R7.htm | 9932 | 2021-08-10 16:10:59 |
| R8.htm | 7797 | 2021-08-10 16:10:59 |
| R9.htm | 129745 | 2021-08-10 16:10:59 |
| report.css | 2767 | 2021-08-10 16:10:59 |
| Show.js | 1085 | 2021-08-10 16:10:59 |