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Document And Entity Information
 3 Months Ended
Jul. 31, 2012
Sep. 06, 2012
Document and Entity Information [Abstract]    
Entity Registrant Name AMERICAS CARMART INC  
Document Type 10-Q  
Current Fiscal Year End Date --04-30  
Entity Common Stock, Shares Outstanding   9,092,492
Amendment Flag false  
Entity Central Index Key 0000799850  
Entity Current Reporting Status Yes  
Entity Voluntary Filers No  
Entity Filer Category Accelerated Filer  
Entity Well-known Seasoned Issuer No  
Document Period End Date Jul. 31, 2012  
Document Fiscal Year Focus 2013  
Document Fiscal Period Focus Q1