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| 0000950170-25-035143.txt | 2025-03-07 07:30:25 | |
 0000950170-25-035143-xbrl.zip | 461679 | 2025-03-07 07:30:25 |
| alvr-20241231.htm | 3756303 | 2025-03-07 07:30:25 |
| alvr-20241231.xsd | 1573744 | 2025-03-07 07:30:25 |
| alvr-20241231_htm.xml | 1630863 | 2025-03-07 07:30:25 |
| alvr-ex19_1.htm | 148427 | 2025-03-07 07:30:25 |
| alvr-ex23_1.htm | 2848 | 2025-03-07 07:30:25 |
| alvr-ex31_1.htm | 18076 | 2025-03-07 07:30:25 |
| alvr-ex32_1.htm | 10838 | 2025-03-07 07:30:25 |
| FilingSummary.xml | 40778 | 2025-03-07 07:30:25 |
| Financial_Report.xlsx | 119739 | 2025-03-07 07:30:25 |
| MetaLinks.json | 1066177 | 2025-03-07 07:30:25 |
| R1.htm | 73454 | 2025-03-07 07:30:25 |
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| report.css | 2767 | 2025-03-07 07:30:25 |
| Show.js | 1085 | 2025-03-07 07:30:25 |