Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001564590-21-054516-index-headers.html | 2021-11-04 16:24:34 | |
| 0001564590-21-054516-index.html | 2021-11-04 16:24:34 | |
| 0001564590-21-054516.txt | 2021-11-04 16:24:34 | |
 0001564590-21-054516-xbrl.zip | 33734 | 2021-11-04 16:24:34 |
| altr-20211104.xsd | 5677 | 2021-11-04 16:24:34 |
| altr-20211104_lab.xml | 18571 | 2021-11-04 16:24:34 |
| altr-20211104_pre.xml | 11029 | 2021-11-04 16:24:34 |
| altr-8k_20211104.htm | 42082 | 2021-11-04 16:24:34 |
| altr-8k_20211104_htm.xml | 3425 | 2021-11-04 16:24:34 |
| altr-ex991_6.htm | 979563 | 2021-11-04 16:24:34 |
| FilingSummary.xml | 1735 | 2021-11-04 16:24:34 |
| Financial_Report.xlsx | 5683 | 2021-11-04 16:24:34 |
| MetaLinks.json | 18508 | 2021-11-04 16:24:34 |
| R1.htm | 38596 | 2021-11-04 16:24:34 |
| report.css | 2767 | 2021-11-04 16:24:34 |
| Show.js | 1084 | 2021-11-04 16:24:34 |