Document and Entity Information - USD ($)	12 Months Ended
	May 31, 2019	Jul. 31, 2019	Nov. 30, 2018
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, 2019
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	Non-accelerated Filer
Entity Emerging Growth Company	false
Entity Small Business	true
Entity Shell Company	false
Entity Public Float			$ 36,887,600
Entity Common Stock, Shares Outstanding		22,720,686
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2019