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Excess of issue price over par or stated value of the entity's capital stock and amounts received from other transactions involving the entity's stock or stockholders. Includes adjustments to additional paid in capital. Some examples of such adjustments include recording the issuance of debt with a beneficial conversion feature and certain tax consequences of equity instruments awarded to employees. Use this element for the aggregate amount of additional paid-in capital associated with common and preferred stock. For additional paid-in capital associated with only common stock, use the element additional paid in capital, common stock. For additional paid-in capital associated with only preferred stock, use the element additional paid in capital, preferred stock.

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-Name Accounting Standards Codification
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-SubTopic 10
-Section S99
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Name:	us-gaap_AdditionalPaidInCapital
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Face (par) amount of debt instrument at time of issuance.

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-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
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-Topic 835
-SubTopic 30
-Section 55
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Name:	us-gaap_DebtInstrumentFaceAmount
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Increase for accrued, but unpaid interest on the debt instrument for the period.

Name:	us-gaap_DebtInstrumentIncreaseAccruedInterest
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Description of the interest rate as being fixed or variable, and, if variable, identification of the index or rate on which the interest rate is based and the number of points or percentage added to that index or rate to set the rate, and other pertinent information, such as frequency of rate resets.

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-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
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Data Type:	xbrli:stringItemType
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Period Type:	duration

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

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-Name Accounting Standards Codification
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-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(2))
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-Subparagraph (bbb)(2)
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Name:	us-gaap_DebtInstrumentMaturityDate
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Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

Carrying amount as of the balance sheet date of obligations due all related parties.

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-Subparagraph (SX 210.4-08.(k)(1))
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-Subparagraph (SX 210.7-03.17)
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-Subparagraph (d)
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-Subparagraph (SX 210.9-03.15(3),(4))
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Name:	us-gaap_DueToRelatedPartiesCurrentAndNoncurrent
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Balance Type:	credit
Period Type:	instant

The increase (decrease) during the reporting period in the amount of outstanding money paid in advance for goods or services that bring economic benefits for future periods.

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-Paragraph 28
-Subparagraph (a)
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Name:	us-gaap_IncreaseDecreaseInPrepaidExpense
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Amount of the cost of borrowed funds accounted for as interest expense.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (a)
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-Name Accounting Standards Codification
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Name:	us-gaap_InterestExpense
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Balance Type:	debit
Period Type:	duration

Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions.

No definition available.

Name:	us-gaap_OtherCommitment
Namespace Prefix:	us-gaap_
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Balance Type:	credit
Period Type:	instant

A description of the related party transaction, including transactions to which no amounts or nominal amounts were ascribed and such other information deemed necessary to an understanding of the effects of the transactions on the financial statements. Examples of common related party transactions are, sales, purchases and transfers of realty and personal property, services received or furnished, loans and leases to and from top management and affiliates.

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Name:	us-gaap_RelatedPartyTransactionDescriptionOfTransaction
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Identify the stated interest rate per the agreement, for example, leasing and debt arrangements between related parties.

No definition available.

Name:	us-gaap_RelatedPartyTransactionRate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

For the form of debt having an initial term of less than one year or less than the normal operating cycle, if longer, average borrowings during the period.

No definition available.

Name:	us-gaap_ShorttermDebtAverageOutstandingAmount
Namespace Prefix:	us-gaap_
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Balance Type:	credit
Period Type:	duration

Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering.

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Name:	us-gaap_ShortTermDebtTypeAxis=abvcd_UnsecuredConvertiblePromissoryNoteMember
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Name:	us-gaap_RelatedPartyTransactionAxis=abvcd_LoanAgreementMember
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Name:	us-gaap_TypeOfArrangementAxis=abvcd_BriVisionAndBioFirstAgreementMember
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