Consolidated Statements of Operations and Comprehensive Loss (Parenthetical) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Income Statement [Abstract]
Research and development, related party	$ 76	$ 72
General and administrative, related party	$ 14	$ 31

The amount of general and administrative expense, related party.

No definition available.

Name:	avte_GeneralAndAdministrativeRelatedParty
Namespace Prefix:	avte_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration