XML 11 R1.htm IDEA: XBRL DOCUMENT v3.10.0.1
Document and Entity Information - shares
3 Months Ended
Aug. 31, 2018
Sep. 28, 2018
Document And Entity Information    
Entity Registrant Name AEHR TEST SYSTEMS  
Entity Central Index Key 0001040470  
Document Type 10-Q  
Document Period End Date Aug. 31, 2018  
Amendment Flag false  
Current Fiscal Year End Date --05-31  
Is Entity's Reporting Status Current? Yes  
Entity Filer Category Non-accelerated Filer  
Entity Emerging Growth Company false  
Entity Small Business true  
Entity Common Stock, Shares Outstanding   22,253,698
Document Fiscal Period Focus Q1  
Document Fiscal Year Focus 2019