The term of the draw under debt instrument.

No definition available.

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Namespace Prefix:	aaoi_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentTerm
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The cash outflow for the settlement of obligation drawn from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with maturities due beyond one year or the operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3291-108585

+ Details

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

- Details

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Namespace Prefix:
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- Details

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- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=aaoi_TheNT100MCreditLineMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LineOfCreditFacilityAxis=aaoi_BranchBankingAndTrustCompanyMember
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- Details

Name:	us-gaap_LineOfCreditFacilityAxis=aaoi_TaishinInternationalBankInTaiwanMember
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- Details

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- Details

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- Details

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- Details

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- Details

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Namespace Prefix:
Data Type:	na
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Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=aaoi_CreditLineMember
Namespace Prefix:
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Note 19 - Subsequent Events (Details Textual) - Revolving Credit Facility [Member]					1 Months Ended
	Oct. 19, 2020 USD ($)	Oct. 07, 2020 USD ($)	Mar. 30, 2018 USD ($)	Sep. 28, 2017 USD ($)	Nov. 05, 2020 USD ($)	Oct. 19, 2020 CNY (¥)	Oct. 07, 2020 TWD ($)	Sep. 30, 2020 USD ($)	Dec. 31, 2019 USD ($)	Sep. 30, 2019 USD ($)	Mar. 05, 2019 USD ($)
Subsequent Event [Member] \| Prime World International Holdings, Ltd. (“Prime World”) [Member] \| The NT$100M Credit Line [Member]
Line of Credit Facility, Maximum Borrowing Capacity							$ 100,000,000
Branch Banking and Trust Company [Member]
Line of Credit Facility, Maximum Borrowing Capacity			$ 60,000,000	$ 50,000,000						$ 20,000,000	$ 25,000,000
Debt Instrument, Term (Year)			3 years	3 years
Branch Banking and Trust Company [Member] \| Subsequent Event [Member]
Repayments of Long-term Lines of Credit					$ 18,700,000
Taishin International Bank in Taiwan [Member] \| Subsequent Event [Member] \| Prime World International Holdings, Ltd. (“Prime World”) [Member] \| The NT$100M Credit Line [Member]
Line of Credit Facility, Maximum Borrowing Capacity		$ 3,440,000
Debt Instrument, Interest Rate, Stated Percentage		2.15%					2.15%
Taishin International Bank in Taiwan [Member] \| Subsequent Event [Member] \| Prime World International Holdings, Ltd. (“Prime World”) [Member] \| The NT$100M Credit Line [Member] \| Minimum [Member]
Debt Instrument, Term of Draw (Day)		90 days
Taishin International Bank in Taiwan [Member] \| Subsequent Event [Member] \| Prime World International Holdings, Ltd. (“Prime World”) [Member] \| The NT$100M Credit Line [Member] \| Maximum [Member]
Debt Instrument, Term of Draw (Day)		120 days
Taishin International Bank in Taiwan [Member] \| Subsequent Event [Member] \| Prime World International Holdings, Ltd. (“Prime World”) [Member] \| The US $1M Credit Line [Member]
Line of Credit Facility, Maximum Borrowing Capacity		$ 1,000,000
China Merchants Bank Co, Ltd [Member]
Line of Credit Facility, Maximum Borrowing Capacity								$ 8,917,000	$ 8,917,000
Debt Instrument, Interest Rate, Stated Percentage								4.50%	4.50%
China Merchants Bank Co, Ltd [Member] \| Subsequent Event [Member] \| Global Technology, Inc. [Member] \| Credit Line [Member]
Line of Credit Facility, Maximum Borrowing Capacity	$ 8,910,000					¥ 60,000,000
Debt Instrument, Term (Year)	12 months