Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001564590-20-052524-index-headers.html | 2020-11-09 16:21:00 | |
| 0001564590-20-052524-index.html | 2020-11-09 16:21:00 | |
| 0001564590-20-052524.txt | 2020-11-09 16:21:00 | |
 0001564590-20-052524-xbrl.zip | 120119 | 2020-11-09 16:21:00 |
| alt-10q_20200930.htm | 1842665 | 2020-11-09 16:21:00 |
| alt-20200930.xml | 1221193 | 2020-11-09 16:21:00 |
| alt-20200930.xsd | 53237 | 2020-11-09 16:21:00 |
| alt-20200930_cal.xml | 57358 | 2020-11-09 16:21:00 |
| alt-20200930_def.xml | 155771 | 2020-11-09 16:21:00 |
| alt-20200930_lab.xml | 425657 | 2020-11-09 16:21:00 |
| alt-20200930_pre.xml | 316494 | 2020-11-09 16:21:00 |
| alt-ex101_236.htm | 29273 | 2020-11-09 16:21:00 |
| alt-ex102_237.htm | 14641 | 2020-11-09 16:21:00 |
| alt-ex311_8.htm | 18173 | 2020-11-09 16:21:00 |
| alt-ex312_6.htm | 17906 | 2020-11-09 16:21:00 |
| alt-ex321_10.htm | 6192 | 2020-11-09 16:21:00 |
| alt-ex322_11.htm | 6146 | 2020-11-09 16:21:00 |
| FilingSummary.xml | 36598 | 2020-11-09 16:21:00 |
| Financial_Report.xlsx | 75814 | 2020-11-09 16:21:00 |
 gqh5kkem4z5h000001.jpg | 6605 | 2020-11-09 16:21:00 |
| R1.htm | 53823 | 2020-11-09 16:21:00 |
| R10.htm | 99172 | 2020-11-09 16:21:00 |
| R11.htm | 36803 | 2020-11-09 16:21:00 |
| R12.htm | 33129 | 2020-11-09 16:21:00 |
| R13.htm | 7350 | 2020-11-09 16:21:00 |
| R14.htm | 14863 | 2020-11-09 16:21:00 |
| R15.htm | 22942 | 2020-11-09 16:21:00 |
| R16.htm | 10564 | 2020-11-09 16:21:00 |
| R17.htm | 26255 | 2020-11-09 16:21:00 |
| R18.htm | 68486 | 2020-11-09 16:21:00 |
| R19.htm | 5608 | 2020-11-09 16:21:00 |
| R2.htm | 83392 | 2020-11-09 16:21:00 |
| R20.htm | 9113 | 2020-11-09 16:21:00 |
| R21.htm | 23634 | 2020-11-09 16:21:00 |
| R22.htm | 11084 | 2020-11-09 16:21:00 |
| R23.htm | 5527 | 2020-11-09 16:21:00 |
| R24.htm | 10182 | 2020-11-09 16:21:00 |
| R25.htm | 155489 | 2020-11-09 16:21:00 |
| R26.htm | 100114 | 2020-11-09 16:21:00 |
| R27.htm | 36375 | 2020-11-09 16:21:00 |
| R28.htm | 32608 | 2020-11-09 16:21:00 |
| R29.htm | 22373 | 2020-11-09 16:21:00 |
| R3.htm | 10746 | 2020-11-09 16:21:00 |
| R30.htm | 27178 | 2020-11-09 16:21:00 |
| R31.htm | 67899 | 2020-11-09 16:21:00 |
| R32.htm | 21429 | 2020-11-09 16:21:00 |
| R33.htm | 24233 | 2020-11-09 16:21:00 |
| R34.htm | 17107 | 2020-11-09 16:21:00 |
| R35.htm | 8726 | 2020-11-09 16:21:00 |
| R36.htm | 32296 | 2020-11-09 16:21:00 |
| R37.htm | 12216 | 2020-11-09 16:21:00 |
| R38.htm | 30899 | 2020-11-09 16:21:00 |
| R39.htm | 7199 | 2020-11-09 16:21:00 |
| R4.htm | 71384 | 2020-11-09 16:21:00 |
| R40.htm | 17476 | 2020-11-09 16:21:00 |
| R41.htm | 8546 | 2020-11-09 16:21:00 |
| R42.htm | 10850 | 2020-11-09 16:21:00 |
| R43.htm | 19992 | 2020-11-09 16:21:00 |
| R44.htm | 17883 | 2020-11-09 16:21:00 |
| R45.htm | 12531 | 2020-11-09 16:21:00 |
| R46.htm | 61438 | 2020-11-09 16:21:00 |
| R47.htm | 10162 | 2020-11-09 16:21:00 |
| R48.htm | 53798 | 2020-11-09 16:21:00 |
| R49.htm | 8166 | 2020-11-09 16:21:00 |
| R5.htm | 112618 | 2020-11-09 16:21:00 |
| R50.htm | 4353 | 2020-11-09 16:21:00 |
| R51.htm | 9692 | 2020-11-09 16:21:00 |
| R52.htm | 47843 | 2020-11-09 16:21:00 |
| R53.htm | 27694 | 2020-11-09 16:21:00 |
| R54.htm | 10831 | 2020-11-09 16:21:00 |
| R55.htm | 10398 | 2020-11-09 16:21:00 |
| R56.htm | 11163 | 2020-11-09 16:21:00 |
| R57.htm | 12239 | 2020-11-09 16:21:00 |
| R58.htm | 14268 | 2020-11-09 16:21:00 |
| R6.htm | 95773 | 2020-11-09 16:21:00 |
| R7.htm | 9485 | 2020-11-09 16:21:00 |
| R8.htm | 7765 | 2020-11-09 16:21:00 |
| R9.htm | 151306 | 2020-11-09 16:21:00 |
| report.css | 2767 | 2020-11-09 16:21:00 |
| Show.js | 1085 | 2020-11-09 16:21:00 |