XML 60 R48.htm IDEA: XBRL DOCUMENT v3.20.2

Long-Term Investments (Details Textual)			1 Months Ended	9 Months Ended	12 Months Ended
	Nov. 09, 2020	Oct. 15, 2018	Nov. 02, 2018	Sep. 30, 2020	Dec. 31, 2019	Dec. 31, 2018
Long-Term Investments (Textual)
Sale of common stock, description	The Company entered into an agreement with “KSL”. The aggregate principal amount plus accrued interest expenses are $270,272, and KSL agreed to use the full amount to purchase certain securities pursuant to a securities purchase agreement (the “SPA”); KSL agreed to purchase and the Company agreed to sell to 120,121 shares of the Company’s common stock and warrants for a purchase price of $270,272 (the “Offering”).
Rgene [Member]
Long-Term Investments (Textual)
Percentage of common stock shares				31.61%	31.61%
BioFirst [Member]
Long-Term Investments (Textual)
Percentage of common stock shares				15.89%	15.89%
Sale of common stock, description		The Company purchased an aggregate of 200,000 and 366,200 shares of common stock of BHK at NT$10, equivalent to $0.33, and NT$50, equivalent $1.64, from one of directors of BHK and eleven shareholders of BHK, respectively. The percentage of ownership accordingly increased to 7.13% as of December 31, 2019.	The Company purchased an aggregate of 200,000 and 366,200 shares of common stock of BHK at NT$10, equivalent to $0.33, and NT$50, equivalent $1.64, from one of directors of BHK and eleven shareholders of BHK, respectively. The percentage of ownership accordingly increased to 7.13% as of December 31, 2019.	The Company sold 204,000 shares of common stock of BHK at price of NT$24, equivalent $0.82, to several individuals, and the percentage of ownership was 5.98% as of September 30, 2020. As a result of the transactions, the Company recognized investment loss of $38,272 and impairment loss of $952,711 for the same period.		The Company sold 552,000 shares of common stock of BioHopeKing Corporation (the "BHK") at prices ranging from NT$25, equivalent $0.82, to NT$32, equivalent $1.05, to two directors of BHK and 25 individuals. As a result of the transactions, the Company recognized investment loss of $395,476 for the same period.

X

- References

No definition available.

+ Details

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

X

- Definition

Minimum percentage of common stock price to conversion price of convertible debt instruments to determine eligibility of conversion.

+ References

No definition available.

+ Details

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

X

- Definition

Description of stock transaction which may include details of the offering (IPO, private placement), a description of the stock sold, percentage of subsidiary's or equity investee's stock sold, a description of the investors and whether the stock was issued in a business combination.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
-Paragraph 1B
-URI http://asc.fasb.org/extlink&oid=109239629&loc=SL4582445-111684

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 45
-Paragraph 23
-URI http://asc.fasb.org/extlink&oid=108774443&loc=SL4569655-111683

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
-Paragraph 1A
-URI http://asc.fasb.org/extlink&oid=109239629&loc=SL4573702-111684

+ Details

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

X

- Details

Name:	us-gaap_RelatedPartyTransactionAxis=abvcd_RgeneCorporationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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