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Note 6 - Earnings (Loss) Per Share (Details Textual) - Customer Warrant [Member] - Subsidiary of Amazon [Member] - shares		9 Months Ended
	Mar. 13, 2025	Sep. 30, 2025
Class of Warrants or Rights, Issued During Period (in shares)	7,945,399
Class of Warrant or Right, Vested (in shares)	1,324,233	1,324,233

X

- Definition

Number of warrants vested at issuance.

+ References

No definition available.

+ Details

Name:	aaoi_ClassOfWarrantOrRightVested
Namespace Prefix:	aaoi_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Number of warrants issued during period.

+ References

No definition available.

+ Details

Name:	aaoi_ClassOfWarrantsOrRightsIssuedDuringPeriod
Namespace Prefix:	aaoi_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_ClassOfWarrantOrRightAxis=aaoi_CustomerWarrantMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_CounterpartyNameAxis=aaoi_SubsidiaryOfAmazonMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: