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| 0001564590-20-042354-index.html | 2020-09-02 16:01:20 | |
| 0001564590-20-042354.txt | 2020-09-02 16:01:20 | |
 0001564590-20-042354-xbrl.zip | 120502 | 2020-09-02 16:01:20 |
| alvr-10q_20200630.htm | 2454851 | 2020-09-02 16:01:20 |
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| FilingSummary.xml | 37595 | 2020-09-02 16:01:20 |
| Financial_Report.xlsx | 80753 | 2020-09-02 16:01:20 |
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| report.css | 2767 | 2020-09-02 16:01:20 |
| Show.js | 1085 | 2020-09-02 16:01:20 |