Condensed Consolidated Statements of Operations and Comprehensive Loss (Unaudited) (Parenthetical) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021
Income Statement [Abstract]
Research and development, related party	$ 8	$ 15
General and administrative, related party	$ 0	$ 5

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