Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-22-021901-index-headers.html | 2022-11-03 16:21:32 | |
| 0000950170-22-021901-index.html | 2022-11-03 16:21:32 | |
| 0000950170-22-021901.txt | 2022-11-03 16:21:32 | |
 0000950170-22-021901-xbrl.zip | 45406 | 2022-11-03 16:21:32 |
| altr-20221103.htm | 64243 | 2022-11-03 16:21:32 |
| altr-20221103.xsd | 2463 | 2022-11-03 16:21:32 |
| altr-20221103_htm.xml | 4533 | 2022-11-03 16:21:32 |
| altr-20221103_lab.xml | 12806 | 2022-11-03 16:21:32 |
| altr-20221103_pre.xml | 9449 | 2022-11-03 16:21:32 |
| altr-ex99_1.htm | 1486092 | 2022-11-03 16:21:32 |
| FilingSummary.xml | 1738 | 2022-11-03 16:21:32 |
| Financial_Report.xlsx | 5721 | 2022-11-03 16:21:32 |
| MetaLinks.json | 16911 | 2022-11-03 16:21:32 |
| R1.htm | 38132 | 2022-11-03 16:21:32 |
| report.css | 2767 | 2022-11-03 16:21:32 |
| Show.js | 1084 | 2022-11-03 16:21:32 |