Document And Entity Information - shares	3 Months Ended
	Mar. 31, 2022	May 13, 2022
Document Information [Line Items]
Entity Central Index Key	0001023364
Entity Registrant Name	AutoWeb, Inc.
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Document Fiscal Period Focus	Q1
Document Fiscal Year Focus	2022
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Mar. 31, 2022
Document Transition Report	false
Entity File Number	1-34761
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	33-0711569
Entity Address, Address Line One	400 North Ashley Drive, Suite 300
Entity Address, City or Town	Tampa
Entity Address, State or Province	FL
Entity Address, Postal Zip Code	33602
City Area Code	949
Local Phone Number	225-4500
Title of 12(b) Security	Common Stock, par value $0.001 per share
Trading Symbol	AUTO
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		14,051,149