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|---|---|---|
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| 0000950170-22-021829-index.html | 2022-11-03 16:02:04 | |
| 0000950170-22-021829.txt | 2022-11-03 16:02:04 | |
 0000950170-22-021829-xbrl.zip | 284657 | 2022-11-03 16:02:04 |
| alvr-20220930.htm | 3175773 | 2022-11-03 16:02:04 |
| alvr-20220930.xsd | 43449 | 2022-11-03 16:02:04 |
| alvr-20220930_cal.xml | 41836 | 2022-11-03 16:02:04 |
| alvr-20220930_def.xml | 128925 | 2022-11-03 16:02:04 |
| alvr-20220930_htm.xml | 1603194 | 2022-11-03 16:02:04 |
| alvr-20220930_lab.xml | 394032 | 2022-11-03 16:02:04 |
| alvr-20220930_pre.xml | 274297 | 2022-11-03 16:02:04 |
| alvr-ex31_1.htm | 20164 | 2022-11-03 16:02:04 |
| alvr-ex31_2.htm | 20198 | 2022-11-03 16:02:04 |
| alvr-ex32_1.htm | 11706 | 2022-11-03 16:02:04 |
| alvr-ex32_2.htm | 11744 | 2022-11-03 16:02:04 |
| FilingSummary.xml | 29241 | 2022-11-03 16:02:04 |
| Financial_Report.xlsx | 75693 | 2022-11-03 16:02:04 |
| MetaLinks.json | 560438 | 2022-11-03 16:02:04 |
| R1.htm | 53327 | 2022-11-03 16:02:04 |
| R10.htm | 95920 | 2022-11-03 16:02:04 |
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| R9.htm | 12581 | 2022-11-03 16:02:04 |
| report.css | 2767 | 2022-11-03 16:02:04 |
| Show.js | 1085 | 2022-11-03 16:02:04 |