Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001564590-20-043651-index-headers.html | 2020-09-16 08:11:35 | |
| 0001564590-20-043651-index.html | 2020-09-16 08:11:35 | |
| 0001564590-20-043651.txt | 2020-09-16 08:11:35 | |
 0001564590-20-043651-xbrl.zip | 7534 | 2020-09-16 08:11:35 |
| alvr-10qa_20200630.htm | 63232 | 2020-09-16 08:11:35 |
| alvr-20200630.xml | 7554 | 2020-09-16 08:11:35 |
| alvr-20200630.xsd | 5776 | 2020-09-16 08:11:35 |
| alvr-20200630_lab.xml | 26171 | 2020-09-16 08:11:35 |
| alvr-20200630_pre.xml | 15708 | 2020-09-16 08:11:35 |
| alvr-ex311_6.htm | 9046 | 2020-09-16 08:11:35 |
| alvr-ex312_7.htm | 9087 | 2020-09-16 08:11:35 |
| FilingSummary.xml | 1657 | 2020-09-16 08:11:35 |
| Financial_Report.xlsx | 6265 | 2020-09-16 08:11:35 |
| R1.htm | 58304 | 2020-09-16 08:11:35 |
| report.css | 2767 | 2020-09-16 08:11:35 |
| Show.js | 1085 | 2020-09-16 08:11:35 |