Cover - shares	3 Months Ended
	Mar. 31, 2023	Apr. 30, 2023
Cover [Abstract]
Entity Registrant Name	DATA I/O CORPORATION
Entity Central Index Key	0000351998
Document Type	10-Q
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Entity Small Business	true
Entity Shell Company	false
Entity Emerging Growth Company	false
Entity Current Reporting Status	Yes
Document Period End Date	Mar. 31, 2023
Entity Filer Category	Non-accelerated Filer
Document Fiscal Period Focus	Q1
Document Fiscal Year Focus	2023
Entity Common Stock Shares Outstanding		8,818,076
Document Quarterly Report	true
Document Transition Report	false
Entity File Number	0-10394
Entity Incorporation State Country Code	WA
Entity Tax Identification Number	91-0864123
Entity Interactive Data Current	Yes
Entity Address Address Line 1	6645 185th Ave NE
Entity Address Address Line 2	Suite 100
Entity Address City Or Town	Redmond
Entity Address State Or Province	WA
Entity Address Postal Zip Code	98052
City Area Code	425
Local Phone Number	881-6444
Security 12b Title	Common Stock
Trading Symbol	DAIO
Security Exchange Name	NASDAQ