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Document and Entity Information - USD ($)
12 Months Ended
May 31, 2016
Jul. 31, 2016
Nov. 30, 2015
Document And Entity Information      
Entity Registrant Name AEHR TEST SYSTEMS    
Entity Central Index Key 0001040470    
Document Type 10-K    
Document Period End Date May 31, 2016    
Amendment Flag false    
Current Fiscal Year End Date --05-31    
Is Entity a Well-known Seasoned Issuer? No    
Is Entity a Voluntary Filer? No    
Is Entity's Reporting Status Current? Yes    
Entity Filer Category Smaller Reporting Company    
Entity Public Float     $ 18,433,279
Entity Common Stock, Shares Outstanding   13,331,965  
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2016