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7, SEGMENT INFORMATION (Details Narrative)
3 Months Ended 9 Months Ended
Feb. 28, 2015
Feb. 28, 2014
Feb. 28, 2015
Feb. 28, 2014
Sales to the Company's five largest customers percentage of net sales 82.00%us-gaap_ConcentrationRiskPercentage1 95.00%us-gaap_ConcentrationRiskPercentage1 87.00%us-gaap_ConcentrationRiskPercentage1 94.00%us-gaap_ConcentrationRiskPercentage1
Customer A        
Customers accounted for 10% or more of total revenues 60.00%AEHR_CustomersAccountedFor10PercentOrMoreOfTotalRevenues
/ us-gaap_StatementBusinessSegmentsAxis
= AEHR_CustomerAMember
     
Customer B        
Customers accounted for 10% or more of total revenues     47.00%AEHR_CustomersAccountedFor10PercentOrMoreOfTotalRevenues
/ us-gaap_StatementBusinessSegmentsAxis
= AEHR_CustomerBMember
 
Customer C        
Customers accounted for 10% or more of total revenues     12.00%AEHR_CustomersAccountedFor10PercentOrMoreOfTotalRevenues
/ us-gaap_StatementBusinessSegmentsAxis
= AEHR_CustomerCMember
 
Customer D        
Customers accounted for 10% or more of total revenues     10.00%AEHR_CustomersAccountedFor10PercentOrMoreOfTotalRevenues
/ us-gaap_StatementBusinessSegmentsAxis
= AEHR_CustomerDMember
 
Customer E        
Customers accounted for 10% or more of total revenues   36.00%AEHR_CustomersAccountedFor10PercentOrMoreOfTotalRevenues
/ us-gaap_StatementBusinessSegmentsAxis
= AEHR_CustomerEMember
   
Customer F        
Customers accounted for 10% or more of total revenues   28.00%AEHR_CustomersAccountedFor10PercentOrMoreOfTotalRevenues
/ us-gaap_StatementBusinessSegmentsAxis
= AEHR_CustomerFMember
   
Customer G        
Customers accounted for 10% or more of total revenues   19.00%AEHR_CustomersAccountedFor10PercentOrMoreOfTotalRevenues
/ us-gaap_StatementBusinessSegmentsAxis
= AEHR_CustomerGMember
   
Customer H        
Customers accounted for 10% or more of total revenues   11.00%AEHR_CustomersAccountedFor10PercentOrMoreOfTotalRevenues
/ us-gaap_StatementBusinessSegmentsAxis
= AEHR_CustomerHMember
   
Customer I        
Customers accounted for 10% or more of total revenues       46.00%AEHR_CustomersAccountedFor10PercentOrMoreOfTotalRevenues
/ us-gaap_StatementBusinessSegmentsAxis
= AEHR_CustomerIMember
Customer J        
Customers accounted for 10% or more of total revenues       33.00%AEHR_CustomersAccountedFor10PercentOrMoreOfTotalRevenues
/ us-gaap_StatementBusinessSegmentsAxis
= AEHR_CustomerJMember