Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001564590-20-051405-index-headers.html | 2020-11-05 16:42:34 | |
| 0001564590-20-051405-index.html | 2020-11-05 16:42:34 | |
| 0001564590-20-051405.txt | 2020-11-05 16:42:34 | |
 0001564590-20-051405-xbrl.zip | 34743 | 2020-11-05 16:42:34 |
| altr-20201105.xsd | 5768 | 2020-11-05 16:42:34 |
| altr-20201105_lab.xml | 18708 | 2020-11-05 16:42:34 |
| altr-20201105_pre.xml | 11167 | 2020-11-05 16:42:34 |
| altr-8k_20201105.htm | 42660 | 2020-11-05 16:42:34 |
| altr-8k_20201105_htm.xml | 3431 | 2020-11-05 16:42:34 |
| altr-ex991_6.htm | 971447 | 2020-11-05 16:42:34 |
| FilingSummary.xml | 1741 | 2020-11-05 16:42:34 |
| Financial_Report.xlsx | 5464 | 2020-11-05 16:42:34 |
| MetaLinks.json | 19197 | 2020-11-05 16:42:34 |
| R1.htm | 38635 | 2020-11-05 16:42:34 |
| report.css | 2767 | 2020-11-05 16:42:34 |
| Show.js | 1084 | 2020-11-05 16:42:34 |