Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001104659-21-148822-index-headers.html | 2021-12-13 06:30:31 | |
| 0001104659-21-148822-index.html | 2021-12-13 06:30:31 | |
| 0001104659-21-148822.txt | 2021-12-13 06:30:31 | |
 0001104659-21-148822-xbrl.zip | 30513 | 2021-12-13 06:30:31 |
| alt-20211209.xsd | 3025 | 2021-12-13 06:30:31 |
| alt-20211209_lab.xml | 34240 | 2021-12-13 06:30:31 |
| alt-20211209_pre.xml | 22360 | 2021-12-13 06:30:31 |
| FilingSummary.xml | 1672 | 2021-12-13 06:30:31 |
| Financial_Report.xlsx | 5679 | 2021-12-13 06:30:31 |
| MetaLinks.json | 37823 | 2021-12-13 06:30:31 |
| R1.htm | 40108 | 2021-12-13 06:30:31 |
| report.css | 2767 | 2021-12-13 06:30:31 |
| Show.js | 1085 | 2021-12-13 06:30:31 |
| tm2135141d1_8k.htm | 38186 | 2021-12-13 06:30:31 |
| tm2135141d1_8k_htm.xml | 3597 | 2021-12-13 06:30:31 |
| tm2135141d1_ex10-1.htm | 68674 | 2021-12-13 06:30:31 |
| tm2135141d1_ex99-1.htm | 6871 | 2021-12-13 06:30:31 |
 tm2135141d1_ex99-1img001.jpg | 6216 | 2021-12-13 06:30:31 |