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Note O - Income Taxes - Summary of Valuation of Allowance (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Balance	$ 43,462	$ 25,736	$ 0
Change charged to expense/(income)	13,822	17,137	25,736
Change charged to currency translation adjustment	437	589	0
Balance	$ 57,721	$ 43,462	$ 25,736

X

- Definition

Represents the change charged to currency translation adjustment.

+ References

No definition available.

+ Details

Name:	aaoi_ValuationAllowanceChangeChargedToCurrencyTranslationAdjustment
Namespace Prefix:	aaoi_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

The portion of the valuation allowance pertaining to the deferred tax asset representing the change charged to expense income.

+ References

No definition available.

+ Details

Name:	aaoi_ValuationAllowanceDeferredTaxAssetChangeChargedToExpenseIncome
Namespace Prefix:	aaoi_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32537-109319

+ Details

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