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Document And Entity Information - shares
 3 Months Ended
Jul. 31, 2015
Sep. 04, 2015
Entity Registrant Name AMERICAS CARMART INC  
Entity Central Index Key 0000799850  
Current Fiscal Year End Date --04-30  
Entity Filer Category Accelerated Filer  
Entity Current Reporting Status Yes  
Entity Voluntary Filers No  
Entity Well-known Seasoned Issuer No  
Entity Common Stock, Shares Outstanding (in shares)   8,473,504
Document Type 10-Q  
Document Period End Date Jul. 31, 2015  
Document Fiscal Year Focus 2016  
Document Fiscal Period Focus Q1  
Amendment Flag false