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