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| 0000950170-23-037926-index.html | 2023-08-03 16:01:39 | |
| 0000950170-23-037926.txt | 2023-08-03 16:01:39 | |
 0000950170-23-037926-xbrl.zip | 278096 | 2023-08-03 16:01:39 |
| alvr-20230630.htm | 2766526 | 2023-08-03 16:01:39 |
| alvr-20230630.xsd | 43094 | 2023-08-03 16:01:39 |
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| alvr-20230630_lab.xml | 368747 | 2023-08-03 16:01:39 |
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| Financial_Report.xlsx | 66274 | 2023-08-03 16:01:39 |
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| report.css | 2767 | 2023-08-03 16:01:39 |
| Show.js | 1085 | 2023-08-03 16:01:39 |