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v3.21.2

Condensed Statements of Operations and Comprehensive Loss (Parenthetical) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020
Condensed Statements of Operations and Comprehensive Loss |  |  |  |
Research and development, related party | $ 39 | $ 19 | $ 54 | $ 35
General and administrative, related party | $ 6 | $ 8 | $ 11 | $ 15

X
- Definition The amount of general and administrative expense, related party. + References No definition available. + Details
Name: | avte_GeneralAndAdministrativeRelatedParty
Namespace Prefix: | avte_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of research and development expense, related party. + References No definition available. + Details
Name: | avte_ResearchAndDevelopmentRelatedParty
Namespace Prefix: | avte_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_IncomeStatementAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration