v3.25.2
Cover
Jun. 26, 2025
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Jun. 26, 2025
Entity File Number 001-36083
Entity Registrant Name Applied Optoelectronics, Inc.
Entity Central Index Key 0001158114
Entity Tax Identification Number 76-0533927
Entity Incorporation, State or Country Code DE
Entity Address, Address Line One 13139 Jess Pirtle Blvd.
Entity Address, City or Town Sugar Land
Entity Address, State or Province TX
Entity Address, Postal Zip Code 77478
City Area Code 281
Local Phone Number 295-1800
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock, Par value $0.001
Trading Symbol AAOI
Security Exchange Name NASDAQ
Entity Emerging Growth Company false