XML 62 R44.htm IDEA: XBRL DOCUMENT v3.20.4

Long-Term Investments (Details)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Braingenesis Biotechnology Co., Ltd [Member]
Ownership percentage	0.17%	0.17%
Accounting treatments	Cost Method
Genepharm Biotech Corporation [Member]
Ownership percentage	0.70%	0.72%
Accounting treatments	Cost Method
BioHopeKing Corporation [Member]
Ownership percentage	5.90%	7.13%
Accounting treatments	Cost Method
BioFirst Corporation [Member]
Ownership percentage	15.99%	15.89%
Accounting treatments	Equity Method
Rgene Corporation [Member]
Ownership percentage	31.62%	31.61%
Accounting treatments	Equity Method

X

- References

No definition available.

+ Details

Name:	abvcd_AccountingTreatmentDescription
Namespace Prefix:	abvcd_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571

+ Details

Name:	us-gaap_EquityMethodInvestmentOwnershipPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=abvcd_BraingenesisBiotechnologyCoLtdMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=abvcd_GenepharmBiotechCorporationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=abvcd_BioHopeKingCorporationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=abvcd_BioFirstCorporationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=abvcd_RgeneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: