Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-21-320937-index-headers.html | 2021-11-05 07:31:03 | |
| 0001193125-21-320937-index.html | 2021-11-05 07:31:03 | |
| 0001193125-21-320937.txt | 2021-11-05 07:31:03 | |
 0001193125-21-320937-xbrl.zip | 14810 | 2021-11-05 07:31:03 |
| alvr-20211105.xsd | 2888 | 2021-11-05 07:31:03 |
| alvr-20211105_lab.xml | 19656 | 2021-11-05 07:31:03 |
| alvr-20211105_pre.xml | 12312 | 2021-11-05 07:31:03 |
| d248800d8k.htm | 25275 | 2021-11-05 07:31:03 |
| d248800d8k_htm.xml | 3591 | 2021-11-05 07:31:03 |
| d248800dex991.htm | 54497 | 2021-11-05 07:31:03 |
| FilingSummary.xml | 1726 | 2021-11-05 07:31:03 |
| Financial_Report.xlsx | 5749 | 2021-11-05 07:31:03 |
 g248800g1105004412804.jpg | 2701 | 2021-11-05 07:31:03 |
| MetaLinks.json | 19915 | 2021-11-05 07:31:03 |
| R1.htm | 43473 | 2021-11-05 07:31:03 |
| report.css | 2767 | 2021-11-05 07:31:03 |
| Show.js | 1085 | 2021-11-05 07:31:03 |