Document and Entity Information - shares	9 Months Ended
	Feb. 28, 2018	Mar. 30, 2018
Document And Entity Information
Entity Registrant Name	AEHR TEST SYSTEMS
Entity Central Index Key	0001040470
Document Type	10-Q
Document Period End Date	Feb. 28, 2018
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 Common Stock, Shares Outstanding		21,953,730
Document Fiscal Period Focus	Q3
Document Fiscal Year Focus	2018