XML 62 R37.htm IDEA: XBRL DOCUMENT v3.23.1

Stockholders' Equity- Common Stock (Details)	Dec. 31, 2022 Vote
Stockholders' Equity
Number of vote for each share of common stock	1

X

- Definition

Number of vote for each share of common stock.

+ References

No definition available.

+ Details

Name:	anvs_NumberOfVotesForEachShareOfCommonStock
Namespace Prefix:	anvs_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- References

No definition available.

+ Details

Name:	us-gaap_StockholdersEquityAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration