v2.4.0.6
Document And Entity Information (USD $)
6 Months Ended
Jun. 30, 2011
Aug. 03, 2011
Document and Entity Information [Abstract]    
Entity Registrant Name CONSUMER PORTFOLIO SERVICES INC  
Document Type 10-Q  
Current Fiscal Year End Date --12-31  
Entity Common Stock, Shares Outstanding   19,814,761
Entity Public Float $ 18,740,264  
Amendment Flag false  
Entity Central Index Key 0000889609  
Entity Current Reporting Status Yes  
Entity Voluntary Filers No  
Entity Filer Category Smaller Reporting Company  
Entity Well-known Seasoned Issuer No  
Document Period End Date Jun. 30, 2011  
Document Fiscal Year Focus 2011  
Document Fiscal Period Focus Q2