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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
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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
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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
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