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Condensed Statements of Redeemable Convertible Preferred Stock and Stockholders' Deficit (Parenthetical) - Series A redeemable convertible preferred stock - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2021	Mar. 31, 2021
Share price	$ 1.893	$ 1.893
Issuance costs	$ 9	$ 13

X

- Definition

The amount of stock issuance costs.

+ References

No definition available.

+ Details

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

X

- Definition

Price of a single share of a number of saleable stocks of a company.

+ References

No definition available.

+ Details

Name:	us-gaap_SharePrice
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	us-gaap_StatementClassOfStockAxis=avte_SeriesRedeemableConvertiblePreferredStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: