v3.8.0.1
Document and Entity Information - shares
3 Months Ended
Mar. 31, 2018
May 07, 2018
Document and Entity Information [Abstract]    
Entity Registrant Name AutoWeb, Inc.  
Entity Central Index Key 0001023364  
Current Fiscal Year End Date --12-31  
Entity Well-known Seasoned Issuer No  
Entity Voluntary Filers No  
Entity Current Reporting Status Yes  
Entity Filer Category Accelerated Filer  
Entity Common Stock, Shares Outstanding   12,886,225
Document Fiscal Year Focus 2018  
Document Fiscal Period Focus Q1  
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Mar. 31, 2018  
Trading Symbol AUTO